July 4 Weekend Sale | $10 Off. Get the code »

Jonah Keri

JONAH KERI is a writer for Grantland.com and a contributor to ESPN's Baseball Tonight . He is the author of the New York Times bestseller The Extra 2%: How Wall Street Strategies Took a Major League Baseball Team from Worst to First and the co-author of Baseball Between the Numbers: Why Everything You Know About the Game Is Wrong . He has previously contributed to ESPN.com, SI.com, Baseball Prospectus , the New York Times , the Wall Street Journal , and wrote the flagship stock market column...See more