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Leverage index, what does it mean?

+1 vote
I'm curious as to the meaning of the leverage index values, and how they are quantified and derived.

For example, I'd like to know how the leverage index would differ numerically from pitching a clean first inning of a game, compared to pitching a clean inning in a tie game in the top ninth.
asked Oct 10, 2012 in Sabermetrics by samuelraphael (179 points)

1 Answer

+2 votes

http://www.insidethebook.com/li.shtml

To answer your question, a clean top of the first is an average LI of 0.63.  A clean top of the ninth in a tied game is an average of 1.9.

answered Oct 10, 2012 by LeeTro (264 points)
Also, remember that an "average" leverage situation is 1.0. That may provide you with a reference point.

More reading:

http://www.fangraphs.com/blogs/get-to-know-leverage-index/
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