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BP Daily: Through the fun-house mirror

By Nate Silver
Baseball Prospectus

Thursday, March 26, 2009

Stress tests are not just for cardiac patients and big, failing banks. We also can apply them to baseball players. What if Tiny Tim Lincecum were really Tall Tim Lincecum? What if Albert Pujols were older than purported? What if we were to take a right-handed pitcher and magically turn him into a lefty? PECOTA, Baseball Prospectus' forecasting system, can answer some of these questions. PECOTA looks at not only a player's prior statistics when projecting his performance but also some of his phy ...

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