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Alfonzo Marquez shows more need for reform in Dodgers win over Rockies

Drew Creasman
Drew Creasman
September 23, 2016
Alfonzo Marquez shows more need for reform in Dodgers win over Rockies

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Drew Creasman

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September 26, 2016

Drew, you might want to consult information publicly and readily available from SABR and Close Call Sports regarding replay and ejection information before making claims purporting to reference ejection statistics. For instance, as of last month’s sabermetrics update, umpires in 2016 were 62.0% accurate on calls exclusively associated with ejection, which suggests that statistics do not, preponderantly, “actually back up those doing the arguing, not those doing the ejecting.”

One of the many reasons electronic Replay Review of balls and strikes is not permitted concerns the technology’s shortcomings, which have been documented by sabermatricians and technical analysts. Sometimes, the error is quite obvious, but other times it is less so. Most notably this season, for instance, Pitch f/x erred during a Yankees ejection on August 30. In real-time, the umpire’s strike call appeared incorrect. After a post-game adjustment to correct the problem, however, the strike call was determined to be proper.

PitchInfo & Brooks, for instance, purport to account for calibration error, but this calculation can only be made post-game (and, as illustrated by the aforementioned Yankees balls/strikes ejections, even Brooks is susceptible to error if the data itself is inaccurate). It is statistically irresponsible, and equally improbable, to attempt to apply this in real-time, which leaves the technology subject to a healthy dose of error—such as calibration, measurement, capture, fitting or modeling, 2D Zone, pitch classification, and operator errors—that prevents reliable real-time application.

As a proponent of and writer with a self-described healthy obsession with fact-based debate, referencing those facts and statistics might prove beneficial in placating that desire.

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October 24, 2016

I didn’t see these comments and have no idea if you will see this reply nearly a month later, but I am very aware of the stats and issues you raise. First, even according to your own statistic, that means umps are ejecting people even though they were wrong nearly 40 percent of the time. That is WAY to high, especially when combined with all the stats I’ve already presented. If you are going to eject someone (something that isn’t done so cavalierly in other sports) that number needs to be close to 90.

Also, showing one example of a missed calibration when we literally have hundreds, nearly thousands, of missed pitches every year is unconvincing. You would need to show that these calibration issues are LESS accurate than umps, not just imperfect. Finally, I highly recommend HBO’s recent documentary on the subject which debunks several of the concerns about Pitch/FX and properly puts the problem in context. Sure, it isn’t perfect yet, but using Pitch/FX has been statistically proven to be far more accurate and that is what sports should be. Fair and accurate. That so many calls are missed and then ejections come on top of that is really just the icing on the crap cake.

September 26, 2016

That’s excellent information Gil. I certainly hope Drew engages you in a fact-based conversation.

September 26, 2016

I don’t understand why the author has decided that Marquez’ “ego is more important than getting the call right.” The pitch to Arenado was up. Marquez then gave Arenado plenty of latitude in arguing the call. Arenado was very demonstrative and clearly upset to any casual observer. In fact, his manager decided that he needed to get himself ejected to ensure his star player stayed in the game. Did Marquez eject Arenado then? Nope. He let him vent and return to the dugout. Then, when Arenado took the field in the next half-inning, he decided to prolong the argument by yelling back at Marquez, and Marquez STILL gave him 2 warnings to stop before finally ejecting. Perhaps he gave Arenado that much rope because he thought that he missed the pitch. Perhaps it was because he knows Arenado is a star player that people paid ticket money to come watch. Either way, that ejection, even though based on an incorrect call, was due to Arenado’s inability to let it go. We get it. He’s out there competing. It’s an emotional game. But players know damn well what will get them run, and the last person that should have been surprised at this ejection, was Arenado himself.

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