JAY JAFFE is a contributing baseball writer for SI.com. He is the founder of the Futility Infielder website, one of the oldest baseball blogs, and from 2005-2012 was a columnist for Baseball Prospectus. He has been a recurring guest on MLB Network’s MLB Now and Clubhouse Confidential shows and a member of the Baseball Writers Association of America since 2011. He lives in Brooklyn. The Cooperstown Casebook is his first book.
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