Saturday, January 2, 2010

Introducing ARJS

The other day on Twitter, Sky, and I were discussing how to value relievers. The conversation was triggered by a comment from Colin Wyers where he said an average reliever would successfully complete 82% of all save situations a closer finds himself in. Sky then used Mariano Rivera's save percentage since 2007 to do a quick and dirty WAA calculation.

Beyond The Boxscore

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