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THE BOOK--Playing The Percentages In Baseball

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Wednesday, July 07, 2010

A perfect use of WPA

By Tangotiger, 02:00 PM

From Jack Moore, in looking for relievers with a worse than -1.00 WPA in a single-game.  That was since 2002.

Sean Forman will give it to us for the Retrosheet era.  There were 26 of them… TWICE by Rollie Fingers.... in the same year.

http://www.baseball-reference.com/boxes/OAK/OAK197409060.shtml
http://www.baseball-reference.com/boxes/CLE/CLE197407200.shtml

That’s what happens when you give up the go-ahead run in one inning, the tie-ing run in the 9th inning, and the eventual winning run in extra innings.  He didn’t necessarily pitch terribly.  It simply tells the story of a pitcher who ended up giving up a run at the wrong time, every time, late in the game.

It’s a story stat.  And WPA makes it very easy, by quantifying the story, to find these games.

To those who think WPA is useless: just because you haven’t found a use for it, doesn’t mean that it has no use.

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July 07, 2010
A perfect use of WPA