On July 27, 2018, a piece titled A Conversation With Oakland Pitching Coach Scott Emerson was published here at FanGraphs. Notable about the piece is that a question I’d asked about a particular pitcher, Daniel Mengden, ended up segueing into a variety of related topics. As I noted at the time, Emerson loves discussing his craft.
Six years later, that hasn’t changed. A few days before the All-Star break, I once again sat down with Emerson at Fenway Park. I wanted to ask him about pitch counts — the night before, A’s starter JP Sears threw 114 pitches across 5 2/3 innings in Oakland’s 5-2 win over the Red Sox — and expected our chit-chat would last roughly five minutes. Not surprisingly, we talked a good bit longer. Moreover — again not a surprise — we ended up discussing not just what I’d intended, but other aspects of the art and science of pitching as well.
———
David Laurila: JP Sears threw 114 pitches last night. “What is your philosophy on starters going deep into games in terms of pitch count?
Scott Emerson: “For us last night, he had an extra day of rest, and we’re also going into the break, so he’s going to have some rest there. We wanted him to get through the sixth so we could get to [Austin] Adams, [Lucas] Erceg, and [Mason] Miller. We thought that was our best chance through their lineup.
“As for me, I like starters to go as long as they can and as hard as they can. I don’t think 114 is necessarily that high of a pitch count. I thought he was throwing the ball fine. [Mark Kotsay] and I talked about it, and [Sears] felt good about himself, so we tried to get him through [Rafael] Devers. That was the goal.”
Laurila: Generally speaking, how does a pitcher’s arm action and pitching style factor into it? Read the rest of this entry »
The Milwaukee Brewers, in recent history, tend to be a little light both on offense and in the payroll department. Which makes Christian Yelich — the team’s leader in batting average, on-base percentage, and slugging, and the recipient of nearly a quarter of the team’s major league salary expenditure — a pivotal figure for the franchise. Perhaps to an extent unmatched by any other position player on a contending team. (That’d be an interesting blog for another day.)
On Tuesday, the Brewers faced a situation tailor-made for Yelich: Leading 1-0, runners on first and second, two outs, the right-handed Julian Merryweather on the mound. Milwaukee had struggled to scratch out even that one run, and just a single by Yelich would’ve given the Brewers bullpen room to relax. And yet, out of the dugout stepped the right-handed Rhys Hoskins, not Yelich. Hoskins struck out, and the Brewers quickly announced that their star left fielder was experiencing back tightness.
As is tradition at FanGraphs, we’re using the lead-up to the trade deadline to take stock of the top 50 players in baseball by trade value. For a more detailed introduction to this year’s exercise, as well as a look at the players who fell just short of the top 50, be sure to read the Introduction and Honorable Mentions piece, which can be found in the widget above.
For those of you who have been reading the Trade Value Series the last few seasons, the format should look familiar. For every player, you’ll see a table with the player’s projected five-year WAR from 2025-2029, courtesy of Dan Szymborski’s ZiPS projections. The table will also include the player’s guaranteed money, if any, the year through which their team has contractual control of them, last year’s rank (if applicable), and then projections, contract status, and age for each individual season through 2029 (assuming the player is under contract or team control for those seasons). Last year’s rank includes a link to the relevant 2023 post. Thanks are due to Sean Dolinar for his technical wizardry. At the bottom of the page, there is a grid showing all of the players who have been ranked up to this point.
A note on the rankings: As we ascend towards the top of the list, the tiers matter more and more. There are clear gaps in value. Don’t get too caught up on what number a player is, because who they’re grouped with is a more important indicator. The gap between no. 20 and 19 is next to nothing; between 11 and 10, it’s much steeper. I’ll note places where I disagreed meaningfully with people I spoke with in calibrating this list, and I’ll also note players whose value was the subject of disagreement among my contacts. As I mentioned in the Introduction and Honorable Mentions piece, I’ll indicate tier breaks between players where appropriate, both in their capsules and bolded in the table at the end of the piece.
It has not been a very good year for pitchers aspiring to reach the Hall of Fame. Two of the four starters widely perceived to have sealed the deal have yet to throw a single pitch in the majors thus far — one hasn’t even signed and may in fact be done — and the starter who entered the year with the most momentum didn’t debut until June 19 due to (gulp) an elbow injury. Just one Cy Young Award winner from the past decade has pitched a full season, while four are in various stages of recovery from Tommy John surgery. Meanwhile, the three most-likely relievers have all been erratic to some degree or another; one of them isn’t even his team’s regular closer.
With the Hall of Fame Induction Weekend circus having left Cooperstown following Sunday’s festivities to honor Adrián Beltré, Todd Helton, Jim Leyland, and Joe Mauer, it’s a good time to ponder which active players are on their way. But particularly since the last time I took stock about a year ago, the picture is less rosy for just about every starter except Paul Skenes, and it’s far too early to talk about him. Even at a time when pitching seems to be winning the daily battle — scoring and slugging percentage are near their lowest marks in the last decade, and batting average is in a virtual tie (with 2022) for the fourth-lowest mark since 1900 — pitchers are losing the war against longevity.
This isn’t exactly a new topic, of course, and while I’ve spent a lot of time thinking about how Hall voters will adjust their standards in the coming years, and how we might differently evaluate pitchers through tools such as S-JAWS (which reduces the skewing caused by the heavy-workload pitchers of the 19th and early 20th-centuries) and rolling WAR leaders, I don’t have a clear answer. The main problem is that if we decide to lower the standards by which we judge more recent starters, we are left with literally dozens of pitchers from past eras with similarly impressive resumés, and logistical roadblocks to honor an equitable share of them. If the recently retired Adam Wainwright (45.2 career WAR/36.5 adjusted peak WAR/40.7 S-JAWS) is worthy of a spot in Cooperstown, then how do we reckon with the careers of Luis Tiant (66./41.3/53.7), David Cone (62.3/43.3/52.8), Dave Stieb (56.4/41.8/49.1), and Johan Santana (51.7/45.0/48.3) — to name just a few aces from the past half-century? Given the ability to fit just eight candidates on an Era Committee ballot, with Negro Leaguers, managers, and executives also in the pre-1980 mix, and the deck generally stacked against candidates who fell victim to the Five Percent Rule, there’s little chance of catching up anytime soon. Read the rest of this entry »
“An egregious error of Umpire Hurst in construing the rules helped Boston to two runs and added to the confusion of the Orioles. In the fourth inning Boston had three men on bases and one out. Ryan came to the bat and scratched out a short fly over third base. Jennings ran for the ball, got under it and muffed it. According to Rule 45, Section 9, a batter is out ‘if he hits a fly ball that can be handled by an infielder while first base is occupied with only one out.’ Ryan should have been declared out whether the ball was muffed or not…
When seen at the club-house after the game he started in defense of his position by attempting a distinction between the outfield and infield, claiming that the ball was not hit to the infield, but when his attention was called to the wording of the rule, which does not state that the ball must be hit to the infield, but simply that it shall be such a ball as an infielder can handle, he abandoned that position, and argued that it was not a fly ball, but a line drive. He soon saw the absurdity of that argument, as a line drive which does not touch the ground is as much a fly ball as if it were hit 100 feet up into the air.”
– “Errors Lost the Game,” The Morning Herald, April 26, 1894
The graph below has been haunting me for weeks now. I made it, but there’s nothing unique about it. You can find an identical graph in this Alex Chamberlain piece, this Tom Tango blog post, or any number of other articles. It shows the batting average and wOBA for every batted ball, based on launch angle.
I cut off 20 degrees from either side, but you get the point. Worthless groundballs and popups are on the sides, and valuable line drives and fly balls make up a narrow sliver in the middle. It occurred to me a few weeks ago that we’ve been splitting batted balls into those same four categories for a very long time now. Moreover, one of those categories is suspect. If you’ve been reading FanGraphs for a while, you know that line drive rate is considered fluky rather than sticky. Only a handful of elite players – Luis Arraez, Freddie Freeman, maybe Steven Kwan – are capable of consistently putting up top-10 line drive rates. According to Baseball Savant, batters have a .639 wOBA on line drives this year. Hitting line drives is what every single batter is trying to do, and yet somehow what Russell Carleton wrote seven years ago still holds true: “There is some skill in hitting line drives, but it is hard to repeat, and how many line drives you hit seems to be unrelated to where you fall on the ground-ball/fly-ball spectrum.” I set out to find some new way to look at this old puzzle, figuring that with all of the tools as our disposal, there had to be a better way to slice this particular pie. I failed, but I came across some interesting things along the way, and that (I have decided after the fact) is what’s really important. Read the rest of this entry »
We now have less than a week until the the July 30 trade deadline, and so far, not much has happened other than the Hunter Harvey trade before the All-Star break. That ought to (hopefully) change in coming days, unless we’re witnessing the heat death of the baseball universe.
As is my habit, I have suggested eight trades that teams should to consider in some form to fulfill their short-term and long-term organizational goals. I’ve tried to make broadly fair proposals in the context of historical deadline trades, but your mileage may vary. Please note that I am not reporting these as trades that are currently being discussed by respective front offices, and if you report these as such, you hereby waive all rights not to receive an ironic visit from an antagonist from a German fairy tale.
Let us know what you think about these ideas and feel free to add your own in the comments!
The Baltimore Orioles acquire P Garrett Crochet from the White Sox for 3B/1B Coby Mayo, OF Enrique Bradfield Jr., and P Chayce McDermott
I know the White Sox are dreaming of a mega-package in return from Garrett Crochet, who is a legitimate Cy Young candidate this season, but I just can’t see them doing better for Crochet than they did for Dylan Cease. I would argue that Coby Mayo, if he had been included in the Cease trade through some kind of weirdness in the space-time continuum, would have been the most valuable prospect involved, more so than Drew Thorpe was at the time. I’m sure the Sox would prefer a comparable pitching prospect to Mayo than Mayo, but I’m not sure the teams most likely to go after Crochet have that available. Mayo is likely to be an impact bat, even if he isn’t going to stick at third base. He also should to be able to contribute quickly, which appears to be (confusingly) an important goal for the White Sox, even though they are in a generally worse position than they think they’re in.
The White Sox may counter and say that they expect a return similar to the Chris Sale trade, but I can’t imagine any team doing that. Sale at the time was a much more established pitcher than Crochet is currently, and he also wasn’t a year removed from a significant elbow injury, as is the case with Crochet. The O’s are in a situation in which they can justify being even more aggressive than this, but to include more name brand talent than this starts to make the trade look quite a bit riskier. Enrique Bradfield Jr. and Chayce McDermott are ranked seventh and eighth, respectively, in the Orioles’ system — 45+ FV guys but not Top 100 Prospects. I do get the impression that at the end of the day, the White Sox don’t have to be completely bowled over to trade Crochet, while the Tigers may very well need to be for Tarik Skubal, the best lefty pitcher who might be available.
The Houston Astros acquire 3B/1B Isaac Paredes from the Tampa Bay Rays for OF Jacob Melton, SS Alberto Hernandez, OF Luis Baez, and P Alimber Santa
Corner infielder Isaac Paredes is arguably the best bat likely to be available at the deadline, so it’s hard for the Astros not to have serious interest given the utter wreck that first base has been for them this year (.205/.276/.317). While one of the prime artisans of that triple-slash, José Abreu, is gone, Jon Singleton is not much of an improvement, and at 32, he’s hardly the future of the position. Paredes, who has three years left until he hits free agency, would fill that short-term need at first and also provide the Astros with an option to replace third baseman Alex Bregman if he doesn’t re-sign with the team.
While Houston has reasons to be interested in Paredes, do they have enough to offer? I think that’s the key question here, because the farm system is pretty poorly stacked at the moment. I don’t think there’s any way the Astros can pull off this trade without giving up their top prospect Jacob Melton, who is ranked no. 78 overall, or Jake Bloss, their top pitching prospect and no. 100 on our Top 100 list. Even if one of those two are included, the Astros would have to send along a few other guys who offer enough upside to make it a worthwhile deal for the Rays. I kinda see Alimber Santa as one of those hard throwers with poor command that the Rays suddenly make into elite relievers after a midseason call-up. I could also see the Rays asking for Shay Whitcomb, who fits in with their organization’s long-term embrace of unheralded Joey Wendle-type infielders who hit in the upper minors and get no attention around the league. ZiPS has actually been rather enamored with Whitcomb for a while. The Rays have bled a lot of outfield bats over the last few years and, in addition to Melton, Luis Baez would help them restock. On top of that, Tampa Bay likes upside, and while I’m a José Caballero fan, Alberto Hernandez certainly has upside. With Jeremy Peña and Jose Altuve, Houston can spare middle infield prospects, even really good ones.
The Los Angeles Dodgers acquire RHP Jack Flaherty from the Detroit Tigers for LHP Justin Wrobleski and SS Trey Sweeney
The Tigers are no doubt asking for the moon for Skubal, but they don’t have the same need to do so for Jack Flaherty, a free agent at the end of the season. Flaherty’s been terrific this year, but he’s also a rental, and teams don’t usually give up their best for players on expiring contracts these days. I kinda wanted to center this trade around one of the Dodgers’ many young catchers, probably Thayron Liranzo, or an infielder on the rise like Alex Freeland, but that just seemed a bit too rich for them to give up for two months of Flaherty’s services. The good news is the Dodgers have an extremely deep farm system, so if a trade like this were to be discussed, there are myriad ways to get Detroit interested, even if it’s not exactly these two mid-tier prospects. Justin Wrobleski is probably too much of an innings eater for the Dodgers, who prefer to juggle high-end pitching talents based on who’s healthy, and although Trey Sweeney has been passed by other players in the organization, the Tigers could still use him in their system.
I think it would be a mistake if the Dodgers didn’t add a pitcher before the deadline. Yoshinobu Yamamoto’s goal to make it back before the playoffs is not an auspicious sign, and even with Clayton Kershaw and Tyler Glasnow returning from injuries, I think the team would be well-served to have another fairly hardy pitcher in the mix for the playoffs.
The Seattle Mariners acquire 1B Yandy Díaz and OF Randy Arozarena from the Tampa Rays for RHP Logan Evans, RHP Emerson Hancock, and RHP Michael Morales
This trade depends on the status of Yandy Díaz, who is currently on the restricted list for a personal issue, but I’m assuming that will be resolved fairly soon. If not, then I’d still be in favor of a scaled back trade in which the Mariners acquired Randy Arozarena. Rays fans might be underwhelmed by the lack of a huge name coming back in the deal, but I don’t think Díaz and Arozarena really have the same trade value they had a year ago, and we project both players to finish with just short of two WAR for the 2024 season. But I think they each hold decent value for the Mariners considering how bad their offense has been this season. The Mitch Haniger reunion hasn’t worked out, and first baseman Tyler Locklear is likely a worse hitter in the short term than Díaz. Additionally, both Díaz and Arozarena have some cost control remaining. The Rays like interesting pitching prospects the way that sculptors like marble, and the M’s are one of the few teams that can provide them without impacting to their long-term roster. Three of those interesting lesser pitching prospects are righties Logan Evans, Emerson Hancock, and Michael Morales. Paredes would probably be an even better pickup for the Mariners, who really need a bat, but I already gave Paredes to the Astros.
The St. Louis Cardinals acquire RHP Nathan Eovaldi from the Texas Rangers for RHP Sem Robberse and C Pedro Pagés
I’m still unsure what the Rangers plan to do next week, but should they decided that retooling isn’t a dirty word for them, Nathan Eovaldi is one of the logical players to trade. Technically, he has a vesting player option for 2025 at $20 million, but I’m not sure that’s really a factor here; Eovaldi’s on target to meet the 300 innings requirement should things go well this summer, and if they do, he’ll be in a position to do a lot better than a single year at $20 million. Like Flaherty, there are no moons to acquire for two months of Eovaldi, but I think the Rangers could do a lot worse than two mid-tier prospects who aren’t years away from the big leagues. Pedro Pagés doesn’t have an obvious place in St. Louis and would be a more effective long-term caddy for Jonah Heim than current Texas backup Andrew Knizner, and the Rangers have a farm system that is lighter on starting pitchers than position players. I like Sem Robberse, but the Cardinals are full of no. 3 and 4 starters, and a healthy mid-rotation arm may simply be more valuable to the Rangers than to the Cards.
The New York Mets acquire RHP Carlos Estévez and LHP Reid Detmers from the Los Angeles Angels for RHP Blade Tidwell, SS/OF Luisangel Acuña, and OF Ryan Clifford
Carlos Estévez is one of the best relievers available at the deadline – and a pure rental – and if the Mets are interested in pushing for a wild card, as I believe they are, shoring up a weak bullpen is a good place to improve. I’m also a big fan of Reid Detmers. He’s commonly talked about as a “reclamation project,” but I think there’s good evidence to say that this year in the majors he pitched better than his surface-level stats showed. No competent major league pitcher is “truly” a .333 BABIP pitcher. Before being demoted, Detmers was having his best season yet in terms of missing bats, and I think he fits in the middle of the Mets rotation both immediately and over the next few years. Maybe I’m underrating the Angels as an organization, but I don’t think they would need a marquee prospect to make this trade, so I’m not going to throw one in willy-nilly. Blade Tidwell has struggled a little with command at Triple-A, but he ought to stick as a starter, and ZiPS is a pretty big fan of him long term. Luisangel Acuña is a tantalizing athlete who hasn’t really hit since he was traded to the Mets organization, and Ryan Clifford boasts plus power and has performed well at Double-A this year, but he strikes out a lot and doesn’t offer much defensively.
The San Diego Padres acquire LHP Yusei Kikuchi and RHP Yimi García from the Toronto Blue Jays for IF Eguy Rosario, C Brandon Valenzuela, and OF Homer Bush Jr.
With Yu Darvish out for personal reasons and Joe Musgrove’s exact timetable for a return still up in the air, the Padres could use an extra starting pitcher. Yusei Kikuchi is no ace, but he’s been solid the last two years and has pitched better than his raw ERA this season. He’s also a free agent at the end of the season, which makes him more movable for the Blue Jays than either Vladimir Guerrero Jr. or Bo Bichette, as I think 2025 is still very important to the Jays. The back of San Diego’s bullpen is also less than enthralling, and a Yimi García acquisition would give them more heft for the very wide open NL Wild Card race.
Naturally, neither Kikuchi nor García merit a top prospect in return, but they should at least get an interesting package. ZiPS actually likes Eguy Rosario quite a bit, projecting him for a 97 wRC+ in 2025 with +5 fielding runs at third, good enough to be a league-average player and help the Jays retool for next season. A healthy Manny Machado greatly reduces Rosario’s utility to the Padres. Danny Jansen is a free agent after the season and the Jays are short in prospects both behind the plate and in the outfield, and Brandon Valenzuela and Homer Bush Jr. are the types of 40ish prospects that frequently go in trades like this.
The New York Yankees acquire RHP Chad Green from the Toronto Blue Jays for IF Jared Serna
I’d be surprised if the Yankees weren’t after a late-inning arm, and they have a good history with Chad Green. I also think Green is unlikely to require a large price despite his solid ERA; his strikeout rate has fallen considerably and it’s backed largely by hitters making a lot more contact. Even before you consider Bichette’s free agency after next season, the Jays are in need of infield depth; I don’t think they see Addison Barger as a long-term middle infielder, but Jared Serna could fill that role.
Amusingly, Isiah Kiner-Falefa is having a strong season and would be useful for the Yankees at third base, but because the Jays need infield depth and might want to retool for 2025 rather than rebuild, they might choose to keep IKF, who is signed through next season.
As is tradition at FanGraphs, we’re using the lead-up to the trade deadline to take stock of the top 50 players in baseball by trade value. For a more detailed introduction to this year’s exercise, as well as a look at the players who fell just short of the top 50, be sure to read the Introduction and Honorable Mentions piece, which can be found in the widget above.
For those of you who have been reading the Trade Value Series the last few seasons, the format should look familiar. For every player, you’ll see a table with the player’s projected five-year WAR from 2025-2029, courtesy of Dan Szymborski’s ZiPS projections. The table will also include the player’s guaranteed money, if any, the year through which their team has contractual control of them, last year’s rank (if applicable), and then projections, contract status, and age for each individual season through 2029 (assuming the player is under contract or team control for those seasons). Last year’s rank includes a link to the relevant 2023 post. Thanks are due to Sean Dolinar for his technical wizardry. At the bottom of the page, there is a grid showing all of the players who have been ranked up to this point.
A note on the rankings: As we ascend towards the top of the list, the tiers matter more and more. There are clear gaps in value. Don’t get too caught up on what number a player is, because who they’re grouped with is a more important indicator. The gap between no. 20 and 19 is next to nothing; between 12 and 11, it’s much steeper. I’ll note places where I disagreed meaningfully with people I spoke with in calibrating this list, and I’ll also note players whose value was the subject of disagreement among my contacts. As I mentioned in the Introduction and Honorable Mentions piece, I’ll indicate tier breaks between players where appropriate, both in their capsules and bolded in the table at the end of the piece.
Ben Lindbergh and Meg Rowley banter about the likenesses, word counts, and stat citations on Hall of Fame plaques, what would happen if all past stats disappeared, the impending returns of Mike Trout and Clayton Kershaw (and the recent return of J.T. Realmuto), the end of James Paxton’s time with the Dodgers, Jo Adell’s breakout fakeout and Jarren Duran’s belated breakout, Francisco Vicioso and Shaq Thompson, the morphing meme of Nick Castellanos, and the Brewers, the Mariners, and the challenge and payoff of rostering pretty good players.
Bryan Woo wasn’t highly regarded when the Seattle Mariners selected him in the sixth round of the 2021 draft out of Cal Poly. That’s understandable. The low-slot righty had a 6.36 ERA in his three collegiate seasons, including a 6.11 mark in his injury-hampered junior year. After undergoing Tommy John surgery in April 2021, he made his professional debut in ’22.
Now, the 24-year-old is showing that Seattle’s director of pitching strategy, Trent Blank, wasn’t completely out of his mind when he reportedly told members of the Mariners front office prior to the draft that “this guy would be one-one for me.” While it’s unlikely that Woo is going to be as good or better than all of the 173 players drafted ahead of him, his numbers have nonetheless been impressive. Since making his big league debut in July 2023, he has a 3.60 ERA and a 3.96 FIP over 137 1/3 innings across his 28 starts with the Mariners. In 10 outings this year, he is 4-1 with a 2.54 ERA and a 3.25 FIP. It’s worth noting that this success hasn’t exactly come out of nowhere. Including four rehab outings this year, Woo logged a 2.97 ERA and 162 strikeouts over 115 innings as a minor leaguer.
Woo brought up his backstory when I asked him how he’s developed as pitcher.
“Going through the draft-and-scouting process, I feel like a lot of it was based on my potential,” Woo told me when the Mariners played in Cleveland last month. “I didn’t have great results at the time. It was based off of, ‘He could be this. It looks like he’s developing into that.’ For me, it was about believing that I could get there, that I could continue to get better. That’s kind of the story. I wasn’t too well-known. If you look at in on paper, it was never, ‘This guy is really good.’ The numbers never really showed that I was.”
Not surprisingly, Woo also brought up the fact that he’d been injured when he was drafted, and how that made for a lot of uncertainty. As he put it, “I didn’t quite know what was going to happen. It could have been a little higher. I could have gone a lot lower. I really wasn’t sure.”
He did know that his repertoire needed both refinement and enhancement. The Oakland native had a mid-90s four-seam fastball when healthy but nothing else to write home about. His slider, which he described as having been “OK,” was a pitch he’d throw here and there. He also had a changeup, but that mostly sat in his back pocket.
Developing a second heater has been especially impactful for him. He added a two-seamer to his arsenal last year while toeing the rubber for the Arkansas Travelers.
“Last year, before I got called up, our pitching coordinator came down to Double-A, where I was at,” Woo said. “He sat in on one of my bullpens and said, ‘Just try it.’ I was having a lot of high pitch count games — I wasn’t getting many quick outs — and he said that it could be a tool to use to get some quicker outs, some weaker contact. A lot of my game was strikeouts and fly balls. There weren’t many efficient outs, I guess you could say. So, we tried the two and it has progressed from there.”
So far this season, Woo has thrown 51.4% four-seamers and 27.2% two-seamers, as well as 7.2% changeups, 7.1% sweepers, and 7.0% sliders. The last of that mix, according to the righty, acts more like a gyro when he throws it low, and more like a cutter when he throws it toward the top of the zone. His circle changeup is a pitch he described as having “a little less vertical and a little bit more horizontal, as well as little bit slower, than my sinker.” Asked which of his off-speed pitches he sees as his main secondary offering going forward, he said that he’s satisfied with the progress of all three and wouldn’t take one over the other.
As for his two fastballs, the 6-foot-2 Woo wasn’t inclined to pick between them either. Instead of choosing favorites, he described why he’s had success with his heaters despite their relatively unimpressive metrics.
“Neither one plays super high metrically; the vertical and horizontal movement aren’t anything crazy,” Woo said. “I think it’s just my slot, kind of how the ball comes out, that makes them a little bit different.”
The slot is indeed different. As Pitcher List’s Jack Foley explained last summer, “At 4’11” off the ground, Woo has a release height a full foot below the average.”
Woo told me that he was more over the top in high school, only to have his arm “kind of lower on its own throughout college, post-surgery, and pro ball.” He claimed to have never purposefully dropped it down, but rather has just continued to throw in a way that feels most comfortable. Not so comfortable are opposing batters. They have just a .220 xBA and a 2.7% barrel rate against the low-slot righty this season. When healthy — he missed the first month with elbow inflammation and later was on the shelf for three weeks with a hamstring strain — Woo is hard to square up.
As is tradition at FanGraphs, we’re using the lead-up to the trade deadline to take stock of the top 50 players in baseball by trade value. For a more detailed introduction to this year’s exercise, as well as a look at the players who fell just short of the top 50, be sure to read the Introduction and Honorable Mentions piece, which can be found in the widget above.
For those of you who have been reading the Trade Value Series the last few seasons, the format should look familiar. For every player, you’ll see a table with the player’s projected five-year WAR from 2025-2029, courtesy of Dan Szymborski’s ZiPS projections. The table will also include the player’s guaranteed money, if any, the year through which their team has contractual control of them, last year’s rank (if applicable), and then projections, contract status, and age for each individual season through 2029 (assuming the player is under contract or team control for those seasons). Last year’s rank includes a link to the relevant 2023 post. Thanks are due to Sean Dolinar for his technical wizardry. At the bottom of the page, there is a grid showing all of the players who have been ranked up to this point.
One note on the rankings: Particularly at the bottom of the list, there isn’t a lot of room between the players. The ordinal rankings clearly matter, and we put them there for a reason, but there isn’t much of a gap between, say, the 38th-ranked player and the 60th. The magnitude of the differences in this part of the list is quite small. Several of the folks I talked to might prefer a player in the honorable mentions section to one on the back end of the list, or vice versa. I think the broad strokes are correct, and this is my opinion of the best order, but with so many players carrying roughly equivalent value, disagreements abounded. I’ll note places where I disagreed meaningfully with people I spoke with in calibrating this list, and I’ll also note players whose value was the subject of disagreement among my contacts. As I mentioned in the Introduction and Honorable Mentions piece, I’ll also indicate tier breaks between players where appropriate, both in their capsules and bolded in the table at the end of the piece.
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