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National League Wild Card Preview: Arizona Diamondbacks vs. Milwaukee Brewers

After missing out on the postseason last year, breaking a four-year streak, the Brewers are back in the playoffs this year. They’ve been the model of consistency over this past half decade; they are the only other team apart from the Astros and Dodgers to have won at least 86 games in each of the last six full seasons. But for all that regular season success, they’ve only won one postseason series during this stretch, a Division Series back in 2018. They have one of the strongest run prevention units in baseball and are hoping that will carry them deep into October.
Milwaukee’s first-round opponent, the Diamondbacks, will be making their first playoff appearance since 2017. They’re breaking out of a long rebuilding cycle a little ahead of schedule thanks to the phenomenal rookie campaign of Corbin Carroll. On paper, they’re significant underdogs when compared to the dominant arms the Brewers can bring to bear, but they’ve got enough young talent to make some noise as a surprise contender:
| Overview | Diamondbacks | Brewers | Edge |
|---|---|---|---|
| Batting (wRC+) | 97 (9th in NL) | 92 (12th in NL) | D-backs |
| Fielding (RAA) | 25 (2nd) | 34 (1st) | Brewers |
| Starting Pitching (FIP-) | 103 (9th) | 99 (7th) | Brewers |
| Bullpen (FIP-) | 103 (13th) | 91 (5th) | Brewers |
An Illustrated Guide to the Playoff Celebrations: American League

The playoffs start today, and we are going to cover every single game, from the Wild Card round to the World Series. But those games are played by humans, and those humans have to find a way to avoid murdering each other over the course of a very long season. Inventing goofy celebrations is a good way to inject some fun into the proceedings. This article and its National League counterpart break down how each playoff team celebrates when a player reaches base or the team notches a victory. (I’m going to skip the home run celebrations because they’ve already been covered very thoroughly, and because they’re sure to get plenty of camera time as October unfolds.) The point of this article is to help you enjoy the smaller celebrations that might otherwise go unnoticed.
One important note: This is necessarily an incomplete list. I spent a lot of time looking, but I wasn’t able to track down the origin of every single celebration. When you search for information about a team’s celebration, you have to wade through an ocean of articles about the night they clinched a playoff berth. The declining functionality of Twitter (now known as X) also made it harder to find relevant information by searching for old tweets (now known as florps). When I couldn’t find the truth about a celebration’s backstory, I either gave it my best guess or invented the most entertaining backstory I could think of. If you happen to know the real story behind a particular celebration, or if you’d like to share your own absurd conjectures, please post them in the comments. Read the rest of this entry »
FanGraphs Power Rankings: 2023 Playoffs Edition

The race to the playoffs provided plenty of drama over the past month. The battle for a Wild Card spot ended up coming down to the wire in both leagues, and the AL West wasn’t completely wrapped up until the final day of the season. But we’ve finally made it to the main event, where anything can happen and underdogs can topple giants. Here’s a look at the 12 teams in the playoffs and how they stack up against each other.
A reminder for how these rankings are calculated: first, we take the three most important components of a team — their offense (wRC+), their pitching (a 50/50 blend of FIP- and RA9-, weighted by starter and reliever IP share), and their defense (RAA) — and combine them to create an overall team quality metric. Since regular season records don’t matter in the playoffs, I’ve removed the factors for win percentage and expected win percentage from the calculations. Read the rest of this entry »
American League Wild Card Preview: Minnesota Twins vs. Toronto Blue Jays

The Minnesota Twins and a short first round playoff series: Name a more iconic duo. The Twins have been quietly excellent this year, compiling the seventh-best run differential in baseball. To be sure, some of that is because they have the good fortune of facing fellow AL Central clubs, but a lot of it is because their team is full of good pitchers. They’ll meet the Toronto Blue Jays in a Wild Card clash. You’ve probably watched and heard a lot about the Blue Jays this year, and I’ll get to them, but let’s start with the thing you probably most need to hear: The Twins are good, not just the token AL Central representative, and they got a lot better when you probably weren’t paying attention.
The Minnesota rotation might be short on name recognition relative to some other playoff squads, but Pablo López and Sonny Gray are each top 10 pitchers by WAR this year. Joe Ryan, Kenta Maeda, and Bailey Ober are both above average as well – Ryan will likely draw the third start, but the other two will surely be available to relieve him if necessary. They’re one of those classic playoff tropes, the team you hate to face because so much of their value is concentrated in good pitching. López has gone six or more innings while allowing one or fewer runs 11 times this year; Gray has done it nine times himself. It’s easy to imagine the Jays coming into Minneapolis and leaving with very few runs to show for their trip. Read the rest of this entry »
Sunday Notes: Zack Littell Climbed Out of the Reliever Boat in Tampa Bay
Back in August, my colleague Ben Clemens crafted an article titled Wait, Zack Littell is a Starter Now?! It was an apt headline. Not only had the 27-year-old right-hander been DFA’d by the Red Sox a few months earlier — Boston having been his third organization in as many years, and his sixth overall — he’d logged a 4.08 ERA over 145 big-league appearances, all but four out of the bullpen, with just three saves. As Clemens pointed out, Littell “wasn’t even a dominant reliever.”
Of course, this was the Tampa Bay Rays who’d moved him into their rotation. Much for that reason, Clemens qualified his skepticism by saying, “What else can we do but wait and see the results?”
The results have remained largely positive. Littell has a not-so-great 6.75 ERA in 14 appearances out of the bullpen this year, but in the same number of outings as a starter his ERA is 3.41. Moreover, he’s consistently gone five-plus innings. As Rays beat writer Marc Topkin told me for an article that ran here at FanGraphs on Friday. the under-the-radar righty “has basically saved the starting rotation.”
How did the opportunity come about? Read the rest of this entry »
Brooks Robinson (1937-2023), the Standard-Setter at Third Base

Variously known as the “The Human Vacuum Cleaner,” “Mr. Hoover,” or “Mr. Impossible,” Brooks Robinson set the standard for defensive wizardry at third base, winning a record 16 consecutive Gold Gloves thanks to his combination of ambidexterity, supernaturally quick reflexes, and acrobatic skill. He was an 18-time All-Star, a regular season, All-Star Game, and World Series MVP, and a first-ballot Hall of Famer. More than that, he was “Mr. Oriole” for his 23 seasons spent with Baltimore, a foundational piece for four pennant winners and two champions, and a beloved icon within the community and throughout the game. In 1966, Sports Illustrated’s William Leggett wrote that Robinson “ranked second only to crab cakes in Baltimore.” He may have surpassed them since.
Robinson died on Tuesday at the age of 86. According to his agent, the cause was coronary disease. On the broadcast of the Orioles’ game on Tuesday night, longtime teammate and fellow Hall of Famer Jim Palmer fought back tears to pay tribute. “We all know he’s a great player, he won 16 Gold Gloves, but we also know how special a person he was,” said Palmer, who like Robinson debuted with the Orioles as a teenager, spent his entire career with the team, and was elected to the Hall of Fame in his first year of eligibility. “I think as a young player you make a decision early in your life, ‘Okay, who do I want to emulate? Who do I want to be like?’ Brooks was that guy.” Read the rest of this entry »
40–70 Is Cool. You Know What’s Cooler? Ronald Acuña Jr.

It’s one thing to join a club, but it’s another thing to start your own club entirely. That goes doubly so when the requirements to enter your club are harder to obtain than a liquor license in 1928. Ronald Acuña Jr. had already earned his 40–40 membership last Friday. That was the hot club in town back in 1988 when Jose Canseco started it up, but with five members now, it’s not quite as exclusive as it once was. So Acuña started up his 40–70 club, and he gets the prime parking space. And still not quite 26, there’s more time to start up some new clubs.
I tend to have mixed feelings about these clubs in baseball. They’re undeniably cool, in the way we’re all attracted to round numbers, and the key clubs and milestones give us an underpinning to compare accomplishments across baseball history. There’s something satisfying about experiencing the game in a similar fashion to someone 30 or 50 or 75 years ago as a shared cultural event, and these number-based chases are a big part of that. On the other hand, they also tend to be somewhat arbitrary in their construction and focus on a different direction than the one I’m interested in: what numbers mean rather than what they are.
When I’m not thinking about how fun something like a 40–70 club is or a 50–50 club would be, I can’t help but ask myself, “Hey, wouldn’t the 46–68 club have been a lot more meaningful than 40–70?” And the HR–SB club, unlike hitting 400 homers, has the added baggage of comparing two very different things with very different values. At least the Triple Crown isn’t a bad model of offense if you don’t have OBP and SLG; homers, batting average, and RBI cover most offensive contributions, even if the weighting is rather inaccurate.
The 40–70 club isn’t something I’d give extra credit for in an MVP vote; Acuña’s homers and stolen bases are already part of his statistical record. But thankfully, I’m not an MVP voter this year, so trying to separate Acuña and Mookie Betts is a problem I’m relieved to not have to unwind. My colleague Jay Jaffe made an excellent case for why he might break the tie in Betts’ favor. I’ll give a counterpoint in Acuña’s favor, but it has little to do with club membership and more about defense. While there’s some additional value to Betts’ flexibility, at the same time, there’s simply far more uncertainty around defensive numbers than offensive ones.
But if you’re not tired already of the MVP arguments, I guarantee you’ll be exhausted with it nearly two months from now when the award is announced. So let’s talk about something more fun, like the chance that Acuña can manage to top himself in the future with more than a full healthy season back under his belt. Read the rest of this entry »
The Dogpile, From Across the Fence

On Tuesday night, Johan Rojas knocked a single up the middle off Pirates closer David Bednar. Cristian Pache, who’d just entered the game as a pinch runner to start the 10th inning, came around to score easily. When he crossed home plate, the Phillies were guaranteed a playoff spot for the second straight year, and by night’s end they were locked in as hosts of one of the NL Wild Card series.
Typical scenes ensued. In college baseball, where budgets are smaller and buying alcohol for the freshmen and sophomores can get a little dicey from a legal standpoint, this kind of celebration takes the form of a dogpile. In fact, “dogpile” has become the accepted shorthand for a victory that either secures or advances a team toward a championship. You’ll hear “two dogpiles to Omaha,” and the like.
Big leaguers don’t dogpile, or rather, they don’t only dogpile. And the Phillies, having developed a reputation over the past 18 months as baseball’s lascivious chaos agents, know the post-dogpile rigmarole by heart. Champagne and beer were sprayed around the clubhouse, cigars handed out, and Garrett Stubbs procured a set of overalls. Read the rest of this entry »
Let’s Check In on the Odds on Apple TV+’s Friday Night Baseball Broadcasts

Last year, I looked into the odds displayed on Apple TV+’s Friday Night Baseball broadcasts. I found them to not be very good. Then I stopped paying attention; there are a ton of baseball games on every week, most of which Apple does not broadcast, and even when I did watch an Apple game, I basically ignored the odds. I knew they were silly, after all – why distract myself by looking at them?
Of course, I didn’t really expect that to keep going indefinitely. Apple is a massive company. They have more than 150,000 full-time employees, and a ridiculous proportion of that group knows how to code. At its core, this is a data problem. There are companies I’d trust over Apple to solve a data problem, but there aren’t a lot of companies, you know? Sure, they outsourced their predictions to nVenue, a sports analytics company, but they’re Apple. Surely they’d find a way to make this all work. I noted their relative inaccuracy in my head as a temporary curiosity and moved on.
Last month, I started compiling data for an update. It’s all well and good to assume things have changed, but at some point, you have to go verify it. I decided to wait for the back half of the season because of the way I designed my test, which I’ll now explain. Similar to last time, I started by watching a bunch of games. This time, I got data from the 12 Apple TV+ games played between August 18 and September 22. I watched the entirety of those broadcasts and noted the last probability, if any, displayed before every pitch. Read the rest of this entry »