BATTING: RBI over- and underperformers
By Patrick Davitt 
@Patrickdavitt
June 26th, 2012 12:03am
@Patrickdavitt
June 26th, 2012 12:03am
A few years ago BaseballHQ.com identified a formula for calculating Projected RBI (pRBI), a rough measure of how many RBI a batter should have given his own performance, his position in the batting order, and his team’s ability to get on base.
At that time, and in subsequent republications in the Baseball Forecaster annual, we suggested that these pRBI formulas should be applied after 70 team games or so to find batters whose actual RBI were +/- 9 from their pRBI, because a correction might be coming.
Method
For more information about the terms used in this article, see our Glossary Primer.
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