San Francisco Giants relief pitcher Sergio Romo reacts after the final out in Game 7 of baseball's National League Championship Series against the St. Louis Cardinals on Monday in San Francisco. David J. Phillip/AP hide caption

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Detroit Tigers' Miguel Cabrera hits a two-run home run in the fourth inning during Game 4 of the American League Championship Series against the New York Yankees Thursday. Paul Sancya/AP hide caption

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Catcher Buster Posey, seen here during a spring training workout Sunday, has been told by the San Francisco Giants that he should avoid blocking home plate. Posey broke his leg on a scoring play at the plate last season. Darron Cummings/AP hide caption

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Gary Carter slides over home plate during a New York Mets game in the 1989 season. The Hall of Fame player died Thursday, of brain cancer. Rick Stewart/Getty Images hide caption

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