Jason Heyward

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Atlanta Braves' Jason Heyward, who wears an extension to his helmet covering part of his face, grimaces after fouling a ball off of his foot during an at bat against Texas Rangers' Derek Holland in the first inning of a baseball game, Friday, Sept. 12, 2014, in Arlington, Texas. (AP Photo/Tony Gutierrez)

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Atlanta Braves' Jason Heyward is forced out by Miami Marlins second baseman Derek Dietrich, left, as shortstop Adeiny Hechavarria looks on at right, on a fielder's choice which scored Atlanta Braves' Andrelton Simmons in the third inning during their baseball game in Miami, Sunday, June 1, 2014. (AP Photo/Joe Skipper)

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Atlanta Braves' Jason Heyward hits a fourth-inning two-RBI single, scoring teammates Tommy La Stella and Gerald Laird, in the fourth inning during play against the Miami Marlins in a baseball game in Miami, Saturday, May 31, 2014. (AP Photo/Joe Skipper)

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Atlanta Braves' Jason Heyward, right, follows through on his solo home run as Boston Red Sox catcher David Ross looks on during the third inning of a baseball game at Fenway Park, Thursday, May 29, 2014, in Boston. (AP Photo/Winslow Townson)

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Atlanta Braves' Jason Heyward, right, rounds the bases after his solo home run off of Boston Red Sox starting pitcher Jake Peavy, left, during the third inning of a baseball game at Fenway Park, Thursday, May 29, 2014, in Boston. (AP Photo/Winslow Townson)

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Boston Red Sox second baseman Dustin Pedroia flips the ball to a teammate after making a diving stop on an infield hit by Atlanta Braves' Jason Heyward during the fifth inning of a baseball game at Fenway Park, Thursday, May 29, 2014, in Boston. (AP Photo/Winslow Townson)