FanGraphs Baseball

Their season ended Sunday, a week — if not a month — shorter than had been planned, and the Nationals jumped right into their off-season by firing reigning Manager of the Year Matt Williams. Williams has been a lightning rod for criticism since the Nationals started to falter in the middle of the year so it’s no surprise that he was relieved of his duties, especially since GM Mike Rizzo refused to say he’d keep Williams past the end of the season despite numerous opportunities to do so. Williams will go down as a bad manager and his tenure will be a negative on Rizzo’s resume. Still, from an outsider’s perspective, it’s difficult to know precisely how bad these situations have been.

It’s often said we like numbers here at FanGraphs — and that’s true, as far as it helps us understand the game better. But managers are one aspect of the game that have, to date, defied attempts at being quantified. Matt Williams put together a 179-145 record during his two seasons in Washington. That’s a winning percentage of .553, which comes out to a 90-win average. That’s pretty good! Matt Williams must be a good manager, then. The thing is, and you probably know this if you read FanGraphs, those are team stats, and ascribing them to one person, even if that person is ostensibly in charge of the team, is probably a mistake. There’s a lot more that goes into a winning team than the manager, a fact that was underlined today by the Nationals’ actions, and I suspect will be underlined again by Williams not being snatched up by another team any time soon.

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Tonight, the Yankees take the field with their season on the line, as they host the Astros in the AL’s Wild Card game. CC Sabathia will not be with the team for the game, or any other game this postseason, because he checked into a rehab clinic for treatment related to alcohol abuse. The full statement that he released to the media.

“Today I am checking myself into an alcohol rehabilitation center to receive the professional care and assistance needed to treat my disease.

“I love baseball and I love my teammates like brothers, and I am also fully aware that I am leaving at a time when we should all be coming together for one last push toward the World Series. It hurts me deeply to do this now, but I owe it to myself and to my family to get myself right. I want to take control of my disease, and I want to be a better man, father and player.

“I want to thank the New York Yankees organization for their encouragement and understanding. Their support gives me great strength and has allowed me to move forward with this decision with a clear mind.

“As difficult as this decision is to share publicly, I don’t want to run and hide. But for now please respect my family’s need for privacy as we work through this challenge together.

“Being an adult means being accountable. Being a baseball player means that others look up to you. I want my kids — and others who may have become fans of mine over the years — to know that I am not too big of a man to ask for help. I want to hold my head up high, have a full heart and be the type of person again that I can be proud of. And that’s exactly what I am going to do.

“I am looking forward to being out on the field with my team next season playing the game that brings me so much happiness.”

For making this decision, Mr. Sabathia, I’m already proud of you.

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The 2015 season has been chock-full of high-profile rookie debuts. From Kris Bryant to Corey Seager to Noah Syndergaard, I’ve certainly had no shortage of players to write about. But the most impressive rookie campaign — at least on a per-game basis — might very well belong to Carlos Correa, who’s developing into a superstar right before our eyes. Although he’s completed just his age-20 season, Correa’s been one of the best better hitters in the game since the Astros called him up on June 8th. His 133 wRC+ was the 28th best among hitters with at least 400 plate appearances this year, and second best among rookies, trailing only Kris Bryant. By the barometer of WAR per 150 games, Correa ranked 21st in baseball with mark of 5.2.

You probably didn’t need me to tell you that Carlos Correa’s been really good. This isn’t exactly news. So rather than dwelling on how good Correa is now, I want to consider what his impressive rookie campaign means for his short- and long-term future.

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The postseason kicks off tonight with the American League Wild Card game starting at 8 pm eastern time. Tomorrow night, we get the NL Wild Card game — in what might be the most fascinating single MLB game I can remember in some time — and then the ALDS starts on Thursdday, with the NLDS starting Friday and bringing us our first four-games-in-a-row day.

To celebrate the launch of the postseason, we’re going to live blog every single game between now and Friday night. I’m going to be hosting (along with Sean Dolinar) the AL Wild Card game tonight — and imploring both managers to go to the bullpen after every pitch, probably — while Jeff (and maybe Carson…) will be here for the NL Wild Card game tomorrow night. We’ll then have coverage of both games on Thursday and all four on Friday as well.

If you haven’t been part of a postseason live blog before, they’re a blast. Plan on hanging out with us as we watch some October baseball, no spreadsheets required.

After the conclusion of yet another great regular season of baseball, we can now start in on the exciting year in review retrospectives. The stats are in, the playoffs are scheduled, and we can look back on the totality of 2015’s regular season with a full sample of what worked and what didn’t for players and teams. The first day after the end of the season can be disappointing for fans who don’t get to root for their favorite club during October, but it’s also our first chance to draw that all-important end line that frames this year along with all the others that have come before it.

The same goes for evaluating managers. We have an idea of the managers who have done a good job; many of them still have games to play. We also have an idea of those who haven’t done a good job — even up to the point of knowing who has a chance of being fired. The drawback, unfortunately, is that we still don’t have a great way of truly evaluating managers, and so we look to the small amount of data that we do have when we try to gauge their performance. Dave Cameron talked about this in the context of filling out his NL Manager of the Year ballot last year — here’s a paragraph from that piece relevant to what we’re discussing today:

“Evaluating player performance is tricky enough even with all the amount of information we have about their performance; with managers, we’re basically just guessing. We can speculate about things that we think matter, but we don’t really have much objective data to support these thoughts.”

Dave’s right — we have very little data, and the data that we do have isn’t terribly useful for evaluation. That being said, there is one newer area of data with respect to managers that I find interesting, and it lends itself to not only understanding an aspect of performance, but also — in this year’s case — serves as a window into the operating style of particular managers.

That data is the result of the fairly new system of manager replay review, and this season of baseball has produced some very interesting results. We already had a post earlier in the season on manager challenges, looking specifically at Kevin Cash, and his rather “unique” style of challenging (not waiting for any sort of video consultation from his coaches/advisors before popping out of the dugout to signal for an official review). That post theorized on a way to rank managers on their challenge ability; this post will go a step further in refining an attempt to do that.

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I have a great deal of interest in the Mariners having hired Jerry Dipoto, so once they made it official, I set about reading as much as I could about what he’d done and what he intended to do. As part of that research, I re-visited an old article at ESPN written by Sam Miller, talking about the Angels’ attempts to improve their whole player-development system. The article was more about Scott Servais than Dipoto, and Servais might not come to work with Dipoto in Seattle, but the article is just good regardless of what it might or might not mean for the Mariners going forward, and some of the way through I found the following pair of lines:

The Angels’ PD staff — half of it hired or in new positions since Servais took over — has become used to seeing its unconventional ideas tested. In the Dominican Republic, the Angels started measuring time of possession.

Time of possession is a familiar statistic to fans of other sports. It’s very much unfamiliar to fans of baseball, because baseball is the sport that doesn’t even keep time, so it’s not something you hear about. But, reading that section was all I needed. It put the idea in my head, and there was no getting it out without writing this post. Because of that excerpt, I’ve calculated time of possession for the regular season just gone. One thing’s for sure: you can’t say I didn’t do this.

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The final day of the regular season saw the fulfillment of what was, for Ichiro, a career-long dream — he got to pitch in a game in the major leagues. Which is something that made Ichiro happy, and it made all the other players happy, and it made all the fans happy, and here we all are, delighted to no end that Ichiro got to stand on the rubber. Think about it hard enough and maybe you end up wondering why you feel so good that Ichiro finally got what he wanted, given that he’s made more than $150 million in the country on the other side of the ocean from the country in which he’s most popular, but then they’re all living gifted lives. And this is only in part about Ichiro anyway — it’s at least as much about us and our own curiosity. Ichiro always wanted to pitch, and we always wanted to see it.

It’s pretty easy to pinpoint the moment when people here wondered what Ichiro might look like on the mound. It goes back to that throw that’s part of the origin story of the Ichiro legend:

That was the first glimpse we had of his arm. That’s when we knew, but Ichiro had already known for years.

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Talking about matchups in a one-game playoff is an almost futile enterprise. Batter versus pitcher numbers have proven to be mostly useless, and other than a perusal of the platoon situations, a discussion of roster decisions around the edges, and some tinkering with the order in which you throw your pitchers, previewing Tuesday’s American League Wild Card game seems like heavy-breathing about the pre-game coin toss in football.

There is one way you can classify pitchers and hitters that may be meaningful to this game in particular, however. Because of the way swings work, there are matchup problems for certain hitters against certain pitchers. Most of the research says that extreme ground ball pitchers have problems with fly ball hitters — one study found fly ball hitters had better outcomes against ground-ball pitchers than any other matchup of batted ball mixes, and another found that this type of matchup produces the most line drives in baseball. And it makes sense, because fly ball hitters usually have ‘uppercut’ type swings that can reach down and produce power on the low pitch.

Dallas Keuchel has the second-best ground-ball rate in baseball. The Yankees should have Chris Young bat leadoff.

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Ben and Sam banter about an eventful weekend in baseball, then discuss some of the developments that surprised them most during the 2015 regular season.