The Dominican Republic celebrates after beating the Netherlands 4-1 in Monday's semifinal game of the World Baseball Classic in San Francisco. Jeff Chiu/AP hide caption

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Puerto Rico's Alex Rios celebrated Sunday with teammates after hitting a two-run home run in the seventh inning against Japan in the semi-finals of the World Baseball Classic at AT&T Park in San Francisco. Terry Schmitt /UPI /Landov hide caption

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Tom Goldman reporting for the NPR Newscast

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Major League baseball will begin random regular-season blood tests for human growth hormone, seen here in an injector pen holding about one week's worth of HGH doses at the clinic of Dr. Mark Molitch of Northwestern University. M. Spencer Green/AP hide caption

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Craig Biggio of the Houston Astros led the 2013 Hall of Fame voting, but fell short of the 75 percent required for induction in Cooperstown. No players were chosen in the balloting. Justin Sullivan/Getty Images hide caption

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San Francisco Giants third baseman Pablo Sandoval rounding the bases after one of his three home runs last night. Doug Pensinger/Getty Images hide caption

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Tom Goldman on 'Morning Edition'

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Detroit Tigers manager Jim Leyland has seen a lot in his day, but never a World Series matchup between his team and the Giants. Karl Mondon /MCT /Landov hide caption

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On 'Morning Edition': Tom Goldman and Renee Montagne preview the World Series

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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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Adam Rosales of the Oakland Athletics gets his throw off to Chris Carter at first base to complete Tuesday night's triple play. Thearon W. Henderson/Getty Images hide caption

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Roger Clemens in 2007, as he was throwing batting practice for the Houston Astros. Could he be back in an Astros' uniform next month? David J. Phillip/AP hide caption

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