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THE BOOK--Playing The Percentages In Baseball

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Friday, January 28, 2011

How much home field advantage do we want?

By Tangotiger, 10:57 AM

If you go to a baseball game, I’m thinking that you want a 70-75% chance of winning (you want to feel like Halladay is always pitching).  You don’t want to always win, but you also don’t always want to be a in 50/50 situation.  Dave asks the question.  I don’t have a good answer.

In soccer (3 points for a win, 1 point for a tie), the home team gets about 0.60 more points at home than on the road.  That translates to about 48% home wins, 24% ties, and 28% losses.  Counting a tie as half a win for our purposes, that’s 60% home wins and 40% home losses.  NBA is 62%.

If let’s say we want much higher than the 54% historical in MLB, how do you go about doing that without being overt about it?  Home manager rule for using a DH or not might be one thing.  But, that’s going to be a tiny advantage, say .01 or .02 wins.  We need to find .16 wins somewhere.

(22) Comments • 2011/01/31 • SabermetricsTalent_DistributionOther SportsSoccer
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January 28, 2011
How much home field advantage do we want?