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THE BOOK--Playing The Percentages In Baseball

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Friday, March 02, 2007

College Data

By Tangotiger, 10:12 AM

From the guy who brought you minorleaguesplits.com comes Jeff and Kent with collegesplits.com.  Still more proof that the creative hardworking little guy is the one that shines.  An interesting thing that I saw was:

Of the 4,500 or so pitchers in our database, only 1,300 are lefthanded.

That comes out to 29% of college pitchers are lefties.  As we know, that is very close to the MLB average.  And that is puzzling.  The lefthanded population is around 10%.  If you look at the first 10-15 years of MLB, before we would learn about the platoon advantage, less than 10% of pitchers were lefthanded.  Today, we are at 27%.  It has always been my contention that as you move up in the leagues, from PeeWee to the bigs, the % of pitchers that are lefthanded starts to increase through Darwinism.  It seem though, from the CollegeSplits data that this happens way before I thought.  Perhaps Jeff or Kent will chime in on the % of IP thrown by LHP (as opposed to the % of pitchers that are LHP), and how it looks in the various minor league levels. 
(5) Comments • 2007/04/26 • SabermetricsDataMinors_College
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March 02, 2007
College Data