THE BOOK--Playing The Percentages In Baseball

Wednesday, April 09, 2008

Leverage Index splits, now available at b-r.com!

By Tangotiger, 09:22 AM

I furnished Sean my Win Expectancy and Leverage Index charts on the expressed condition that anything he publishes from it be given to the public for free. And here it is. Tim Raines, as we can see, is a Clutch Hitter. In high leverage situations, he’s above his career norms, despite the fact that he faces tough relief pitchers (who, by the way, he also eats for lunch… check out his splits against relievers). Sean’s got alot more splits too, enough to waste the rest of the week.

Mariano Rivera doesn’t do as well in high-leverage as he does in low-leverage situations. Note: watch those IBB. Goose, on the other hand, shows a clear split the other way.

• Sabermetrics • Leverage_Index

#1 cam (see all posts) 2008/04/09 (Wed) @ 12:38

Maybe Mariano should get some advice from Todd Jones:

http://www.baseball-reference.com/pi/psplit.cgi?n1=jonesto02

#2 Tangotiger (see all posts) 2008/04/09 (Wed) @ 12:52

57% of Sutter’s PA were in “high-LI” (defined as LI >= 1.50):
http://www.baseball-reference.com/pi/psplit.cgi?n1=suttebr01#wpa-lever

55% for Hoffman, 51% for Percival.

Mo is under 50% (though that includes 10 starts). Removing 1995 altogether, and he’s at 51%.

Goose 44% (includes starts). Same 44% for Rollie.

Of course, you can come in to a high-LI situation, and make it an average-LI situation later on.

#3 (see all posts) 2008/04/09 (Wed) @ 12:58

Great stuff Tom.

Is there any source which has a (more granular) distribution of LI by PA ie, x% of PA above LI 4; y % above LI 3.9 etc etc etc.

John

#4 SirKodiak (see all posts) 2008/04/09 (Wed) @ 13:40

Its amazing to look at Tommy Herr’s 1985 clutch numbers (the 110 RBI season w/ 8 HRs) versus his career. Scary.

#5 Tangotiger (see all posts) 2008/04/09 (Wed) @ 14:00

John: not yet. But, at some point, I will release my Retrosheet database, and it’ll have the LI, WPA numbers on it.

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THE BOOK--Playing The Percentages In Baseball

Wednesday, April 09, 2008

Leverage Index splits, now available at b-r.com!

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