Archive for Daily Graphings

Much Like Chris Bassitt, All-Star Seth Lugo Embraces the Art of Pitching

Kirby Lee-USA TODAY Sports

Last Thursday, a Q&A titled “Chris Bassitt Embraces the Art of Pitching” ran here at FanGraphs. In it, the 35-year-old Toronto Blue Jays right-hander discussed his diverse repertoire — “eight or nine pitches,” he told me — and how he uses them to attack hitters. Both stylistically and variety-wise, Bassitt is a close approximation of a pitcher who will represent the Kansas City Royals in tonight’s All-Star Game. That would be Seth Lugo.

The Royals were at Fenway Park last weekend, and with Boston being my home base, I took the opportunity to talk to the 34-year-old right-hander. I expected a conversation similar to the one I’d had with Bassitt, and I was by no means mistaken. Lugo, who boasts a 2.48 ERA and a 3.31 FIP this season, very much embraces the art of pitching.

———

David Laurila: How have you developed as a pitcher over the years?

Seth Lugo: “I would say that I’ve learned from failure. Coming up through the minors is different than pitching in the big leagues. Once you get to the big leagues you start to notice a pattern with how your mistakes are happening, whether it’s a pitch, sequences, or game situations. I think that learning from my mistakes has been the biggest thing for me.”

Laurila: You used to be known primarily for your curveball, and now you have a varied repertoire. How has your adding of pitches evolved?

Lugo: “Well, as a reliever I would usually just stick with my best two pitches and show one or two more, whether it be [against] a righty or a lefty, a changeup or a slider. When I was in San Diego last year, the pitching coach, Ruben Niebla, was talking about sweeper sliders. I’d never heard the term sweeper before. I didn’t really know what it meant. We started messing with some grips. He told me, ‘You can spin it good. You can spin some other stuff, so it doesn’t have to be just one pitch you’re spinning so well.’ That’s kind of how that came along.

“Growing up, I was always messing around with balls, whether it was a Whiffle Ball or a baseball. I was throwing pitches, just having fun. I’ve always had the ability to pick up a new pitch pretty quickly, so I realized that I can throw more than just three or four pitches in a game. Right now it’s up to 10 or 11. I’m keeping the hitters off balance and recognizing their swing paths, trying to make an adjustment before they do.”

Laurila: What is your full repertoire right now?

Lugo: “Two-seam, four-seam, cutter, change, split-change, sweeper, slow sweeper, one that I call the carry sweeper, slurve, curveball, and slider — a regular slider.”

Laurila: You’re basically Chris Bassitt…

Lugo: “I think I’ve got one or two more than him. I was also throwing a gyro sweeper earlier in the season — I haven’t thrown it in about four starts now — so then I had 12 pitches.”

Laurila: Gyro sweeper sounds counterintuitive…

Lugo: “Yeah. It’s like a one-seam gyro spin that catches. It’s a bigger horizontal break than a regular gyro slider. It’s not depth-y, but shoots to the left pretty good. A sweeper is going to have side spin. Gyros have bullet spin. A gyro sweeper is bullet spin, but with one seam… one seam that catches. A seam-shift gyro.”

Laurila: But you’re not actually throwing it now…

Lugo: “I’ll probably bring it back out. I was working through a couple of other things. Between that one and my slider they were starting to blend a little bit. But yeah, I’ll bring it back out one day.”

Laurila: How did you initially learn it?

Lugo: “I had someone reach out to me. He said that a lot of guys around the league are swinging and missing at gyro spin, and if you can find a way to get more sweeper action with gyro spin, that one’s pretty hard to hit. I think [Alec] Marsh throws a variation of that. Tinkering with a couple of grips, I found one that worked pretty good. But I kind of got away from it a little bit. I picked it up after a month, just this season, so I haven’t had a lot of time to work on it and find the consistency.”

Laurila: Who suggested the pitch?

Lugo: “A guy I know. I’ll leave it at that.”

Laurila: How many pitches did you have when you moved into a starting role last season?

Lugo: “In the offseason, I developed a different slider. I threw it for two months last year before I figured out the sweeper and the other pitches. It was like a slow slider, which I haven’t thrown since. So, it was two sliders, changeup, four-seam, sinker, curveball.”

Laurila: You’ve basically doubled the number of pitches you’re throwing…

Lugo: “In about a year, yeah. I was on the IL and that’s when I came up with a couple of pitches — in June, last year.”

Laurila: I assume you’ve used a lot of tech when developing pitches?

Lugo: “It’s actually more feel for me. Feel and just the horizontal and vertical movements. We’ve got the TrackMan. I don’t look at spin rates, really. I check on my curveball every once awhile, just to make sure it’s spinning like it should, but mostly it’s just horizontal and vertical movements that I look at.”

Laurila: Are you still throwing the same curveball?

Lugo: “Same curveball I’ve always had. I’ve just learned how to use other pitches off of it to make it perform better. My first couple years, with two strikes you were probably getting a curveball. That makes it easier to hit. Guys could eliminate pitches really easily. Now, having four or five pitches in their head when they get to two strikes makes the curveball perform even better.”

Laurila: Where do you think you’d be if you were still a reliever? Would you be as good as you are now?

Lugo: “Well, I wouldn’t have all of these pitches. I would say it would be similar to my career average. I would kind of be where I was.”

Laurila: With your ability to utilize a variety of pitches, starting seems like a natural fit.

Lugo: “Yeah. That and reading swings, and trying to get guys off certain pitches to save them for later in the game. Finding holes where I can go to them over and over. As a reliever, you’re only facing three or four guys, so they can be ambushing first pitch, or they could be taking to get a strike. It’s kind of a smaller game plan, tactic, to pitch as a reliever.

“As a starter, if a guy has a big hole you’re going to expose that hole. But if the guy is a pretty good hitter — he’s hard to get out — you’re going to show all of your pitches, and you’ve got to know where each of them fits. As I’m going over these hitters, we’re talking about where we’re going to throw each one. Some of them might not even be competitive, but I want them to look at it and think about it. I try to find a spot to throw every pitch, even if it’s a pitch they hit well. There is going to be somewhere they don’t hit it — it might be in the dirt — but we’re going to throw it.”

Laurila: You mentioned saving pitches. What is the value in not throwing something you know a hitter has a hard time handling?

Lugo: “So, let’s say it’s the four-hole hitter. This pitch is going get him out most every time — he’s got some weak contact on it — but he’s not going to swing and miss at it. There is no one on base and we’ve got a three-run lead. I’m not going to go straight to my best pitch to get him out; I’m going to save that for when there are two guys on and no outs. In a different situation, you pitch different. That also keeps it harder for guys to pick up my sequences.”

Laurila: Something I’ve asked a lot of pitchers is whether they view pitching as more of an art or as more of a science. I think I know what your answer would be…

Lugo: “It’s an art. I mean, science will help you. Like with anything, you can use science to make your techniques better. You can use it as a learning tool, but you can’t just plug it in. There are too many variables out there for it to work every time. Ultimately — at least to me — it’s not a science. It’s an art.”


A Rundown of Relievers on the Trade Block

Brett Davis-USA TODAY Sports

Ah, the trade deadline. It’s a time to dream about the huge moves your club could make. It could go get a big bopper, the kind of hitter who could put the team on his back down the stretch and carry it to October. Maybe you’re more interested in a CC Sabathia-style workhorse, a starter who could anchor your pitching staff and throw as many innings as you need, regardless of what that number is. Perhaps an electrifying defender is on the table, or a game-breaking speedster who could transform your lineup. But let’s be realistic: None of that’s going to happen. Instead, your team is going to trade for a reliever.

Relievers are the common currency of the trade deadline. Every team needs more of them. I don’t see a single bullpen in baseball that couldn’t benefit from adding an arm or two. Meanwhile, most of the acquisitions fans dream about simply aren’t on the table, because those players don’t exist. Sure, half a season of one of the best hitters in baseball is enticing, but you can’t get that at the trade deadline because no team has one to spare, at least not for a reasonable cost. But relievers? Oh, there will be relievers on offer.

Today’s article is something of a real world shopping guide. Obviously, a huge move would be more fun. Maybe Luis Robert Jr. or Garrett Crochet will get traded. Realistically, though, most of the prizes this deadline will be middle relievers. So let’s take stock of an assortment of the best options who might be on the market, as well as what past years suggest about their probable cost in prospects.

A few rules of engagement: I’m looking only at likely sellers, and going team by team. I didn’t use a hard-and-fast rule in terms of playoff chances when constructing my seller’s list, and I’m erring on the expansive side, so if I list your team in the article and you think they’re still in the race, my apologies. I’m using the last few years of trade returns as a guide, and I’m going to stick to naming prospect value tiers rather than individual names. Let’s get started.
Read the rest of this entry »


Showdown at the Shed: Previewing the 2024 Home Run Derby

Stephen Brashear, Reggie Hildred-USA TODAY Sports

For those who enjoy the loudest, simplest, most dopamine-drenched form of baseball, today is a special day. It’s Derby day, and even better, the silly hats are not mandatory. The MLB Home Run Derby takes place at 8:00 p.m. ET at Globe Life Field in Arlington, Texas. What the Costco-coded ballpark lacks in aesthetics it makes up for in bulk. According to Statcast’s park factors, Globe Life yields more home runs than the average park both for righties (120) and for lefties (110), so we should be in for a show. You can watch on ESPN, but if you’re a nerd – and you’re reading FanGraphs right now, so I’m sure you can do the math on this one – you’ll probably prefer the Statcast broadcast over on ESPN 2.

As in any year, there’s a laundry list of Derby-worthy players who won’t be participating, with Shohei Ohtani, Aaron Judge, and Elly De La Cruz at the top. Still, this a solid sampling of swatters, and nearly every participant figures to have a legitimate shot at winning. Either we’ll have a first-time winner or Pete Alonso will take home his record-tying third title.

The field features three of the top six home run hitters in baseball this season — Gunnar Henderson, Marcell Ozuna, and José Ramírez — and two of the game’s brightest young shortstops: AL MVP candidates Henderson and Bobby Witt Jr.. It also includes three sluggers who take the Derby much more seriously than your average participant — Alonso, Henderson, and Teoscar Hernández — and two others who’ve won derbies at lower levels: Witt and Alec Bohm. Finally, there’s Adolis García, an electrifying slugger whose historic power display during the Rangers’ World Series run last season is sure to keep the crowd at full throat. In the sections below, I’ll break down all the new rules and I’ll try to make a case for why each candidate has a shot at the crown. Read the rest of this entry »


Scouting the Pitchers in the 2024 Futures Game

Kevin Jairaj-USA TODAY Sports

FanGraphs was at the Futures Game in Arlington on Saturday. In total, 16 pitchers appeared in the seven-inning game. The following are some quick notes on every pitcher who toed the rubber during All-Star weekend’s premier prospect event. Obviously one game isn’t enough on its own to move the needle significantly for any of these guys — they all have a large body of work that can better inform our evaluations — but it’s useful to see whose stuff ticks up when they’re in an environment like the Futures Game and get to let it eat in a shorter burst than they’re accustomed to. Read the rest of this entry »


Sunday Notes: Josh Rojas Read Ben Clemens’s June 18 Article

Josh Rojas has turned himself into a plus defender. My colleague Ben Clemens chronicled that advancement last month, citing the Mariners infielder’s improved ability to go to his left as a primary reason for his markedly-better metrics. Exactly what type of adjustments have allowed the 30-year-old third baseman to turn the proverbial corner with his glove? I happened to be in Cleveland when Seattle began a road series against the Guardians on the day Ben’s article ran, so was able to get the answer right from the horse’s mouth.

“It was a matter of adjusting what works best for me reacting to balls left and right,” Rojas told me. “It has to do with my preset. Not getting down too early, not getting down too late. Picking up contact points. Another thing that helps is knowing how the ball usually comes off guys’ bats when certain pitchers are throwing. There is constant communication between me, the pitching coaches, and Bone [infield coach Perry Hill] on what the plan is for the series.”

The preset is what I was most interested in, so I asked the erstwhile Arizona Diamondback — Rojas became a Mariner at last July’s trade deadline — if he could elaborate. Read the rest of this entry »


Retooling Shouldn’t Be a Dirty Word for the Texas Rangers

Kevin Jairaj-USA TODAY Sports

The Texas Rangers came into the season with every intention of competing for another World Series championship. While the team had a fairly low-key winter, the ZiPS projection system thought it would be legitimately competitive in the AL West, though not necessarily one of baseball’s top teams. Instead, with less than half the season’s slate of games remaining, Texas sits uncomfortably below .500 with the playoff math looking increasingly daunting.

When the season began, my understanding was the Rangers expected to struggle at times during the first half, especially in the rotation, and they were OK with that as long as they didn’t fall too far behind the other AL West contenders, the Houston Astros and Seattle Mariners. The organization was comfortable letting Jordan Montgomery walk in free agency because it felt the team had enough punch in the lineup to remain in the division race long enough for at least some of its injured pitchers to get healthy and reinforce the roster, which would be as good as acquiring a starter in a deadline trade.

For about a month, this scenario seemed to be playing out. The Astros limped miserably out of the gate, and the Mariners didn’t do much better. The Rangers spent most of April leading the AL West, but they didn’t build enough of a cushion. That came back to bite them when Seattle caught fire and Houston turned its season around. Simultaneously, Texas went in the other direction. Since May 1, the Rangers offense has put up a 92 wRC+, and that’s with the benefit of Corey Seager mashing after his early slump (.286/.367/.563 in that span) and Wyatt Langford hitting way better since coming off the IL in late May (.285/.339/.464). With the 17th-ranked ERA and 24th-ranked FIP since the start of May, the pitching staff hasn’t exactly made up for the offensive shortfall.

As of Thursday morning, ZiPS has the Rangers with a 10% chance to make the playoffs, far short of their projected 56% odds coming into the season. The projections still see the AL West as a race, but mostly between the Astros and Mariners, with Texas assuming the role of the third-place underdog.

ZiPS Projected Standings – AL West (7/11)
Team W L GB Pct Div% WC% Playoff% WS Win%
Seattle Mariners 85 77 .525 54.7% 10.1% 64.8% 3.5%
Houston Astros 84 78 1 .519 38.6% 11.3% 49.9% 2.9%
Texas Rangers 78 84 7 .481 6.4% 3.6% 10.0% 0.4%
Los Angeles Angels 70 92 15 .432 0.2% 0.1% 0.3% 0.0%
Oakland A’s 61 101 24 .377 0.0% 0.0% 0.0% 0.0%

Of course, 10% isn’t zero, but the Rangers certainly have their work cut out for them. ZiPS currently assumes that, on average, the Rangers will be a .500 team the rest of the season. Let’s make a different assumption, that ZiPS is very wrong, and on average, they will be a .530 team from here on out. That still only boosts their playoff probability to 17.8%. Simply playing better is no longer enough, and there is unlikely to be any kind of reasonable deadline addition that would help them flip the script.

At the same time, Texas is still positioned well for a run in 2025, so there’s no need to blow the whole team up. Looking at just the main contributors under team control, ZiPS generally sees brighter days ahead next season.

2024 vs. 2025, ZiPS Projections
Player Projected 2024 Final WAR Projected 2025 WAR Difference
Adolis García 1.1 2.4 1.3
Tyler Mahle 0.1 1.3 1.2
Dane Dunning 0.4 1.5 1.1
Evan Carter 1.0 2.0 1.0
Jonah Heim 1.9 2.7 0.8
Jacob deGrom 0.3 1.1 0.8
Andrew Knizner -0.9 -0.2 0.7
Wyatt Langford 1.8 2.4 0.6
Leody Taveras 1.9 2.5 0.6
Brock Burke 0.0 0.5 0.5
Josh Jung 1.4 1.8 0.4
Marcus Semien 3.9 4.3 0.4
Jonathan Hernández -0.1 0.0 0.1
Cody Bradford 1.2 1.3 0.1
Josh Sborz 0.3 0.3 0.0
Corey Seager 4.6 4.6 0.0
Nathaniel Lowe 2.1 1.8 -0.3
Jon Gray 2.8 2.2 -0.6
Josh Smith 4.2 2.3 -1.9
Total 28.0 34.8 6.8

ZiPS projects this group of players to win six or seven more games in 2025 than they’re projected to this season. (The win total for 2024 is a combination of the team’s season-to-date and rest-of season projections.) That’s an impressive number in most circumstances, but even more so for a rather old team; the offense is slightly older than league average and the pitching staff is the oldest in the majors. This group already has a good case for contention in 2025.

So if this year’s a longshot and 2025 looks better, what’s the winning argument for not retooling with a focus toward improving the roster for next season? That’s not rhetorical; I don’t have a good one (and feel free to make one in the comments that my cold-stricken brain couldn’t conjure). Again, the Rangers won the World Series last fall, and having that ring already earned ought to give the team some room to maneuver without angering the fanbase. Now, the Rangers won’t be able to snag prospects on the level of Jackson Holliday or James Wood for the players they’d be willing to trade, but in swaps for their players on expiring contracts — Max Scherzer, Nathan Eovaldi, David Robertson, Andrew Heaney, José Leclerc, Kirby Yates, and Michael Lorenzen — I would think they could at least get some talent that could help them in the future, even if you assume Scherzer sticks to his stated preference that he won’t waive his no-trade clause.

Dropping out of a race when you’re the defending champ is a tough thing to do psychologically. But the Rangers are in a bad place right now, and by throwing in the towel, they could improve their chances to contend for another title in 2025.


Chris Bassitt Believes in the Art of Pitching

Paul Rutherford-USA TODAY Sports

With the Blue Jays a whopping 16 games out of first place in the American League East and eight teams in front of them in the wild card race, right-hander Chris Bassitt and several other notable Toronto players could be traded before the fast-approaching July 30 trade deadline. It would make a lot of sense for the Blue Jays to move on from Bassitt, a 35-year-old on a contract worth $22 million annually that extends through next season. No shortage of contenders are seeking pitching help, and Bassitt would seemingly yield an attractive return.

His track record is that of a reliable starter. Since the beginning of the 2021 season, Bassitt has logged a 3.43 ERA and a 3.79 FIP while tossing the seventh-most innings in the majors. Moreover, after a rocky first month (5.64 ERA, 5.55 FIP across his first six starts), he has been at the top of his game since the beginning of May. Bassitt boasts a 2.69 ERA and a 3.02 FIP over his past 13 starts, and he’s gone at least five frames in all of them. Overall, he is 8-7 with a 3.52 ERA, a 3.73 FIP, and 2.0 WAR across 107 1/3 innings this season.

How does the 10-year veteran approach his craft? I sat down with him earlier this month to find out.

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David Laurila: Would you call yourself a pitching nerd?

Chris Bassitt: “I like to understand the art of it, for sure. I would say that it’s more been a fascination with just watching guys. I’ve been blessed to be teammates with a lot of guys who are really, really good, and I’ve always liked to watch the pitches they use, how they use them, who they use them against. Things like that.

“If I’m having struggles with, say, a certain type of hitter, I kind of go back to what I’ve seen in the past with other pitchers and what they’ve done. If that makes me a nerd, then yeah.”

Laurila: Are you mostly just watching — I’m sure video is a big part of that — or are you also digging into the data? Read the rest of this entry »


The Worst Team Defenses Among Contenders

Brad Penner-USA TODAY Sports

The National League Wild Card race is wide open, with eight of the league’s 15 teams separated by a grand total of four and a half games in the standings. Five of those teams are currently below .500, their flaws on display on a daily basis — and some of those teams are at a particular disadvantage when it comes to their defenses.

National League Wild Card Standings
Team W L Win% WCGB
Braves 51 40 .560 4.5
Cardinals 48 44 .522 1
Padres 49 47 .510 0
Mets 46 45 .505 0.5
Diamondbacks 46 47 .495 1.5
Giants 45 48 .484 2.5
Pirates 44 48 .478 3
Cubs 44 49 .473 3.5
Reds 44 49 .473 3.5
Includes games through July 10

On Wednesday, I investigated what a handful of the major defensive metrics — Defensive Runs Saved, Ultimate Zone Rating, Statcast’s Fielding Run Value (FRV), and our catcher framing metric (hereafter abbreviated as FRM, as it is on our stat pages) — told us about the teams with the best defenses. Some of them appear to be playoff-bound, while others are barely hanging onto hope thanks in part to those defenses, among them the Diamondbacks. Read the rest of this entry »


Are Delayed Steals Coming More Quickly?

Sam Greene/The Enquirer-USA TODAY NETWORK

A few weeks ago, I wrote about Ryan McMahon’s first stolen base of the season. McMahon, whose sprint speed was recently downgraded from the 19th percentile to the 18th, managed that first bag by way of a delayed steal. By completely dismissing McMahon as a threat, the Pirates presented him with a perfect storm of opportunity. He took an enormous lead off third base because no one bothered to hold him on, and he waited until catcher Yasmani Grandal unleashed a lollipop back to the pitcher, then waltzed home.

Where did McMahon, who had been caught stealing four times to that point in the season, get the idea for such a brazen daylight robbery? Probably from Garrett Stubbs, who had executed the same move just a few weeks prior, stealing third base right from under McMahon’s nose. Stubbs didn’t get the same gargantuan lead that McMahon did, nor did he get to take advantage of a catcher’s big, slow rainbow tosses back to the pitcher. He simply went because he saw that catcher Jacob Stallings was paying him no attention whatsoever.

On Monday, the Rockies were involved in yet another delayed steal. After walking in the bottom of the second inning, major league stolen base leader Elly De La Cruz somehow waited two whole pitches before taking off for second as Elias Díaz tossed the ball back to Ryan Feltner.

This latest delayed steal was very different from the first two. McMahon is extremely slow — and Stubbs, while not slow, is a catcher — but everyone in the ballpark was aware that De La Cruz would likely try to take second. Both broadcast crews were talking about the threat of a steal and both feeds made sure to cut to shots of De La Cruz’s lead. While Díaz has one of the quicker arms in the league, Feltner is extremely slow to the plate. He has allowed 20 stolen bases this season, second only to Corbin Burnes with 24. Díaz stared De La Cruz down before returning the ball to Feltner after the first pitch, and Feltner attempted a pickoff before delivering the second pitch. None of that mattered against a threat like De La Cruz, but I still found it surprising that he opted for a delayed steal considering that with a pitcher like Feltner on the mound, a conventional stolen base attempt was more or less a sure thing.

De La Cruz, being De La Cruz, stole third base four pitches later; then one pitch after that, he was caught stealing home on a first-and-third steal attempt because Díaz (legally) blocked home plate. Sam Miller wrote about the rise of first-and-third steals back in February and then again this weekend. “As long as I’ve been baseballing,” he wrote, “the first-and-third situation has been what separated the pros from the amateurs.” That’s no longer the case. Sam calculated that in May and June, the runner on first took off roughly 14% of the time, compared to 10.1% in 2023 and 6.6% in the 2010s. After watching all of those plays, he concluded that defenses still aren’t really sure how to handle that situation.

Much like first-and-third steals, delayed stealing has historically been reserved for amateur ball. Because it’s a difficult thing to search for, I’m not sure whether they’ve been happening more often too or whether I just happen to have noticed a cluster. Either way, this cluster made me wonder whether baserunners should be pulling this move more often. After all, the three that we’ve seen could not have been any easier. Only one of them even drew a throw, and that was a play when everyone knew a stolen base attempt was likely. It’s true that McMahon’s steal of home came when nobody was paying him the slightest attention and the catcher returned the ball to the pitcher like a grandfather pitching horseshoes, but Stubbs isn’t exactly a burner either, and his came on a normal throw from the catcher, following a pitch where both the pitcher and the shortstop were making a real effort to keep him from getting too big a lead. Maybe this is easier than we realize. Read the rest of this entry »


Baserunning Is All About Taking Calculated Risks

Peter Aiken-USA TODAY Sports

Like most things in baseball, baserunning is a blend of skills and smarts. It helps to be one of the faster guys in the league, but there are players who provide above average value on the bases despite not having above average speed, as instincts and feel can often make the difference between being safe or out.

One of my favorite parts of baserunning is the judgement calls that players are forced to make while running at full speed and expelling all their power and athleticism. In those moments, they have split seconds to weigh the many factors that can impact their chances of getting the extra base. While basestealing may be the single most exciting part of the game, the decision of whether to try and swipe a bag is much more black and white than other base-running plays.

Say you’re a major leaguer leading off first base and are determining whether to attempt to steal second. You already know the catcher’s pop time, and you have a pretty good idea of how long it takes the pitcher to deliver his pitch. You’re also familiar with the pitcher’s pickoff tendencies and footwork, as well as your own speed and ability to time your jump. Yes, maybe you can pick up on a pattern in real time that gives you a slight competitive advantage, or you notice either the pitcher, catcher, or both of them aren’t paying you much attention, allowing you to catch them by surprise. But for the most part, your decision to take off for second is still almost entirely going to come down to how fast all parties involved can boogie.

On the contrary, if you’re at the plate and lace a liner in the gap that splits two outfielders, you’re faced with several different variables that affect your decision outside of just your speed. How quickly do you get out of the box? Are you thinking two right away, meaning you’re running hard and already taking the angle that will allow you to cut the corner of first base and make a good turn that will give you a direct line to second.

From there, it’s based on feel and whatever data points you have in your head about the outfielders going for the ball. Which one is going to get there first? Does he have a strong arm? If so, is he accurate? Are his throws any weaker and less accurate if he’s pacing on a diagonal toward the gap and has to plant and throw off his back foot? Or, is the outfielder going to get to the ball quickly and have time to circle it, set his feet, crow-hop, and fire? There are other factors on top of these, too.

Let’s check out a few examples from some of the best base-running plays of the year. I’ll be using Statcast’s Runner Runs metric as a guide for choosing plays. This metric estimates the success rate for each base-running opportunity based on variables such as runner speed, outfielder arm strength, and distance from the given bag. Below, I’ve selected three plays — one at second, one at third, and one at home — that were worth at least .20 runs added.

We begin with a hustle double from Bobby Witt Jr.:

Sheesh! Out of the box, this looked like a clear single, even when you consider Witt’s 100th percentile sprint speed. This is a typical line drive to center field, not one that splits two defenders. But Witt knew that in this situation — runners on second and third with one out in the seventh inning and the Royals leading 4-2 — the Tigers might throw to the plate instead of second; he also knew who was playing center field.

Riley Greene, an above average left fielder, had shifted shifted over to center earlier in the game, and his skills don’t exactly fit as well there. He has 66th percentile speed and 48th percentile arm strength. On top of that, Greene throws left-handed, meaning that because he was roaming to his right side (toward the left-center gap), he’d either have to take a few steps to line his body up with second (as he did) or plant his feet in the ground and pirouette before getting rid of the ball. In other words, this play is easier for a right-handed thrower. Add up all those factors, and you have a perfect recipe for Witt to take a calculated risk with only one out. If Matt Vierling were still playing center, as he was at the beginning of the game, his speed and righty throwing might have kept Witt at bay. Every single one of these details matters!

The next play features Anthony Volpe pushing for a triple on a line drive down the right field line. Volpe has very good, but not elite, speed (28.6 ft/sec, 86th percentile), and because of that he’s a bit more reliant on his decision-making than Witt. On this play, he had a favorable spray angle, but it was going to be bang-bang as long as Jo Adell played it right:

To me, Volpe seemed to realize that he had a shot at a triple as he rounded first and saw the ball bouncing around off the curved fence in right field. He didn’t have a particularly great turn around the bag, but the slight ricochet gave him enough leeway. Typically, runners should look up at the third base coach once they’re getting to second base, but in this case, Volpe was going three no matter what and kept his head down.

Adell delivered a great throw to the cutoff man, but the relay to third was short-hopped, which made it more difficult for the third baseman to field it cleanly and apply the tag before Volpe slid in safely. This is an example of a challenge play, where Volpe put the pressure on the fielders to do everything correctly, and because there were multiple steps that had to be executed perfectly, Volpe liked his odds that one part of the chain would be off by just enough for him to make it.

Coincidentally, our final play comes from the same Royals-Tigers series that also featured the Witt double from above. And like that play, the outfielder was Riley Greene. Though this time, the runner was MJ Melendez, who despite his 68th percentile speed has done well on the basepaths this year, with +2 Runner Runs. The play we’re about to watch shows how a runner with just slightly above-average speed can put himself in a position to have above-average outcomes. Here it is:

Wait a sec, how did he get around to score on a fly ball that seemed likely to be caught? You can’t see it on the broadcast, but Melendez played this exactly right. On a towering fly ball like this one, a runner who begins the play at first should be waiting on second base, ready to pivot in either direction. Once Greene dropped the ball, it was time to take off, and even though the ball landed right at Greene’s feet, there was enough time for Melendez to make it home ahead of the throw. That’s despite the fact that Melendez stumbled on his way around third base; he made up for that because he was in the right place when the ball dropped. Also, remember that Greene doesn’t have a particularly strong arm and was all the way out at the warning track.

We could keep going, but by looking at plays at second, third, and home, we now have a better idea of the circumstances that affect base-running decisions. We saw how electrifying speed can manifest plays out of nowhere, but also how sound fundamentals can put runners in a strong position for success. As you’re watching ball for the rest of the summer, pay attention to these types of plays and see if you can pick up on the factors that baserunners must consider when weighing whether to take the extra base. These small details can have a major impact.