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Charting Roger Clemens February 14, 2008

Posted by tkcollier in Sports.
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Analyzing Roger Clemens: A Step-by-Step Guide – Freakonomics – Opinion – New York Times Blog
we turn to a more reliable metric — walks plus hits per inning pitched. This metric yields less “bounce,” and a more reliable pattern is revealed. Fitting a curve, we find that Clemens’ performance deteriorated for about a decade, then started to improve for the last decade of his career.

The turning point appears to be at around the age (36-37) in which the Mitchell report suggests he used performance-enhancing drugs.


1. J.R. - May 7, 2009

Nolan Ryan clearly the toughest most intimdating pitcher ever

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