Tuesday, April 28, 2026

Joe Sheehan Newsletter, April 28, 2026 -- "Phillies Fire Rob Thomson"

 

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I wrote up three teams playing badly last week, and two of them have fired their managers...just not the one I think should have.

The Phillies let go of Rob Thomson, who shepherded the team to four straight playoff appearances and a 96-66 record just one year ago, replacing him with bench coach Don Mattingly. Whereas I could see a number of reasons for the Red Sox to fire Alex Cora, few, if any, of those are in place in Philadelphia. Thomson had a long track record of success, going 346-251 in three-plus seasons running the Phils, with four playoff appearances. The team he has in place wasn’t much changed from the one he’s been handling for years, whereas Cora was navigating, and not well, an influx of young players. The Phillies, with their old core, are at the end of a successful arc, while the Red Sox, off their first playoff appearance since 2021, are starting theirs.

I just don’t see how fault for the Phillies’ slow start to the season should be placed on Thomson. The front office didn’t do much to build on last year’s core. Nick Castellanos was replaced by Adolis Garcia (87 OPS+), and Johan Rojas by Justin Crawford (81 OPS+), Zack Wheeler had Taijuan Walker (7.81 FIP) stand in for a month. Wheeler, J.T. Realmuto, and Jhoan Duran have all missed time, replaced by bad players. Alec Bohm and Bryson Stott played under Thomson from 2022 through 2025, and now we think their failure to hit for a month is on the manager?

It just seems like a panic move. Let me also circle back to something I wrote Sunday.

All too often when a team fires the manager, it hands the job to the guy sitting two feet to the left of the manager, and nothing much changes. I’ve never understood the idea that you want the manager gone but will gladly give the reins to the manager’s bobo.

Now, Don Mattingly hasn’t been in Philadelphia long enough to be considered Thomson’s bobo, but this is the same thinking, passing the job to the guy just down the bench. It kills me to write this, as he’s my favorite player ever, but there’s no reason to give Don Mattingly a managerial job in 2026. He had the Dodgers just as they were transitioning to being THE DODGERS. He was exposed as a poor tactician during the team’s playoff runs in the middle of the decade, then moved on to Miami, where his teams never reached 80 wins in a season and finished over .500 just once, in the pandemic year. He served in a variety of roles for the Blue Jays from 2023-25, including as bench coach during the team’s run to the World Series last year.

This is just a strange, underwhelming decision, change for the sake of change. Mattingly hasn’t run a good team in more than a decade (2020 never counts). He wasn’t a particularly good manager in either of his jobs. He’s replacing a manager who has basically never failed in the job. I’d be remiss to not mention that Mattingly’s son, Preston, is the Phillies’ general manager. 

Now, that’s all analysis. Let me show you where we’re headed. The Phillies just got Zack Wheeler back and jettisoned Walker; Duran and Realmuto will be back soon. After playing the eighth-toughest schedule in baseball to date, they’ll now play the Giants, Marlins, A’s and Rockies, with three of those series at home. You can see the mid-May headlines now: “Phillies Surge Thanks To Donnie Baseball,” “Phils 11-2 Under New Management.” The Phillies were always going to regress towards their median, no matter the manager. Now? It will be a post hoc fallacy rumspringa.

Monday, April 27, 2026

Newsletter Excerpt, April 27, 2026 -- "Mailbag"

This is a preview of the Joe Sheehan Baseball Newsletter, an e-mail newsletter about all things baseball, featuring analysis and opinion about the game on and off the field from the perspective of the informed outsider.

You can subscribe to the newsletter for one year for $79.95 using your PayPal account or major credit card. (Zelle users, please email me for details.)

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For all of Alex Cora's past success, he simply hasn't shown the ability to effectively manage a roster on the younger side. That he continued to platoon Marcelo Mayer with Isiah Kiner-Falefa and otherwise regularly pulled Mayer vs. left-handed pitching is a glaring example. Maybe this young core will lead Boston to its next great postseason run, maybe it won't. But a great manager should be able to adapt to the hand he's dealt. It doesn't seem as though Cora was able to effectively do that. 

-- Brian K.

I haven’t written it so much as Slacked and BlueSkied it, but Cora’s handling of Mayer is, to me, a firing offense in and of itself. From moving him off shortstop in favor of a 33-year-old Story to platooning him with waiver bait, just a total failure to understand the talent he has. 

-J.

 

Sunday, April 26, 2026

Newsletter Excerpt, April 26, 2026 -- "Alex Cora Fired"

 

This is a preview of the Joe Sheehan Baseball Newsletter, an e-mail newsletter about all things baseball, featuring analysis and opinion about the game on and off the field from the perspective of the informed outsider.

You can subscribe to the newsletter for one year for $79.95 using your PayPal account or major credit card. (Zelle users, please email me for details.)

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All too often when a team fires the manager, it hands the job to the guy sitting two feet to the left of the manager, and nothing much changes. I’ve never understood the idea that you want the manager gone but will gladly give the reins to the manager’s bobo. This is a clean sweep, a change not just in the driver’s seat but in the whole front section of the bus. It’s an admission that the problem wasn’t one guy, but a bunch of guys. It also gives Tracy a chance to get established without having to navigate the tricky politics of working with the fired guy’s entire staff.

 

Friday, April 24, 2026

Newsletter Excerpt, April 24, 2026 -- "Phailin' Phils"

This is a preview of the Joe Sheehan Baseball Newsletter, an e-mail newsletter about all things baseball, featuring analysis and opinion about the game on and off the field from the perspective of the informed outsider.

You can subscribe to the newsletter for one year for $79.95 using your PayPal account or major credit card. (Zelle users, please email me for details.)

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The Phillies have earned their 8-17 record by having a bottom-five offense and, quietly, a miserable defense: last in Outs Above Average, 26th in Defensive Runs Saved. Even with Harper and Schwarber hitting, the Phillies’ position players are third-worst in baseball by FanGraphs WAR. They’ve allowed the highest batting average in baseball on grounders (.294), and the highest BABIP on fly balls by so much it looks like a floating-point error.

Phly Balls Phind Phield  (BABIP allowed on fly balls, 2026)

            BABIP
Phillies     .191
Astros       .136
Mets         .126
Tigers       .123
Red Sox      .123

 
 
 

 

Thursday, April 23, 2026

Newsletter Excerpt, April 23, 2026 -- "Fun With Numbers: We're Walkin' Here!"

 

This is a preview of the Joe Sheehan Baseball Newsletter, an e-mail newsletter about all things baseball, featuring analysis and opinion about the game on and off the field from the perspective of the informed outsider.

You can subscribe to the newsletter for one year for $79.95 using your PayPal account or major credit card. (Zelle users, please email me for details.)

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Team numbers...team numbers might be interesting. The record for walks in a season is held by the 1949 Red Sox, who drew 835 free passes, a year after drawing 821. No team has walked 800 times in a season since then; as mentioned above, this was during the local maximum for taking ball four. The Angels lead MLB with 119 walks, on pace for 741. The Brewers have drawn 117 walks in three fewer games, on pace for 824. so they might have a shot. The 21st-century record is held by the 2000 Mariners, who drew 775 walks. There are a few teams, including the Yankees and Cubs, who could take a run at that mark.

 
 
 

Wednesday, April 22, 2026

Newsletter Excerpt, April 22, 2026 -- "Darned Sox"

 

This is a preview of the Joe Sheehan Baseball Newsletter, an e-mail newsletter about all things baseball, featuring analysis and opinion about the game on and off the field from the perspective of the informed outsider.

You can subscribe to the newsletter for one year for $79.95 using your PayPal account or major credit card. (Zelle users, please email me for details.)

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One year ago today, the Red Sox were building around two consensus top ten prospects -- Anthony and Kristian Campbell -- and a third, Mayer, who was a consensus top-25 guy (and not far removed from being top-15). Today, Mayer has a 73 OPS+ and is being platooned with waiver bait. Anthony has a 99 OPS+ and a .325 SLG. Campbell is an outfielder -- not even a center fielder, as he’s played mostly in the corners -- with a .333 SLG at Triple-A.

I will again say that we’re 23 games into a 162-game season, with plenty of time to rally. Amid all these struggles by young players, Ceddanne Rafaela has taken some positive steps at 25, and Wilyer Abreu continues to be very good on both sides of the ball. The 2025-29 Red Sox, though, are supposed to be winning around the homegrown core that Chaim Bloom built across his four drafts, and right now, the best players in that core are providing almost nothing. There’s no path to a Sox championship that doesn’t involve Mayer and Anthony being stars.