Washington Nationals right fielder Bryce Harper during a September game against the Philadelphia Phillies at Nationals Park. Harper is the youngest player ever to win the MVP by unanimous vote. Nick Wass/AP hide caption

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Noah Syndergaard of the New York Mets pitched Friday night against the Kansas City Royals during Game Three of the World Series in the Queens borough of New York City. Mike Stobe/Getty Images hide caption

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Johnny Cueto of the Kansas City Royals throws a pitch in the third inning Wednesday night against the New York Mets in Game Two of the 2015 World Series in Kansas City. Jamie Squire/Getty Images hide caption

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Los Angeles Dodgers pitcher Brandon Beachy throws against the Milwaukee Brewers on July 11 at Dodger Stadium. It marked his comeback from a second Tommy John surgery to his right elbow. Kevork Djansezian/Getty Images hide caption

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Chicago Cubs first baseman Anthony Rizzo hoists starting pitcher Jake Arrieta aloft after he finished a complete-game shutout of the Pittsburgh Pirates in the National League wild card game Wednesday in Pittsburgh. Arrieta struck out 11 while giving up four hits and no walks. Gene J. Puskar/AP hide caption

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Houston Astros outfielder Carlos Gomez circles the bases after hitting a solo home run in the fourth inning against New York Yankees pitcher Masahiro Tanaka, giving Houston a 2-0 lead. The Astros won the wild card game 3-0 and face the Kansas City Royals next. Elsa/Getty Images hide caption

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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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