Tyler Saladino throws out Chicago Cubs catcher Taylor Teagarden during a game between the crosstown rivals at Chicago's Wrigley Field on July 10. Tannen Maury/EPA/Landov hide caption

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A giant All-Star Game sign at Great American Ballpark during a baseball game between the Cincinnati Reds and Washington Nationals, on May 30 in Cincinnati. John Minchillo/AP hide caption

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Kansas City Royals' Omar Infante hits an RBI single in the second inning during a game last month against the Cincinnati Reds. Ed Zurga/AP hide caption

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Texas Rangers relief pitcher Lisalverto Bonilla throws during the fifth inning of a spring training baseball game against the Kansas City Royals on March 4, in Surprise, Ariz. He is scheduled to undergo Tommy John surgery this week. Charlie Riedel/AP hide caption

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Yoan Francisco, a rookie for the Havana Industriales, warms up before a game at Havana's Latin American Stadium. Cuban baseball has been facing hard times, but improved diplomatic relations with the U.S. have raised the possibility of increased cooperation and new opportunities. Eyder Peralta/NPR hide caption

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New York Yankee Alex Rodriguez watches from the dugout during an intrasquad game at a spring training baseball workout Monday in Tampa, Fla. Lynne Sladky/AP hide caption

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Game clocks will be a common, and mandatory, sight at MLB stadiums in the 2015 season. But they'll only be used between innings, unlike pitch clocks like this one at an Arizona Fall League game. Mike Janes/Four Seam Images via AP hide caption

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Chicago Cub Ernie Banks, right, told NPR's Scott Simon, left, in 2014 that he had a lot of fun winning games, but the main thing in his life was "making friends." Peter Breslow/NPR hide caption

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