Kansas City

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Trainers check out Kansas City Royals' Salvador Perez after a collision with Baltimore Orioles third baseman Manny Machado during the fourth inning of a baseball game at Kauffman Stadium in Kansas City, Mo., Thursday, May 15, 2014. (AP Photo/Orlin Wagner)

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Baltimore Orioles' Nelson Cruz (23) gestures following his two-run home run off Kansas City Royals starting pitcher Yordano Ventura during the fourth inning of a baseball game at Kauffman Stadium in Kansas City, Mo., Thursday, May 15, 2014. (AP Photo/Orlin Wagner)

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Baltimore Orioles starting pitcher Wei-Yin Chen delivers to a Kansas City Royals batter during the third inning of a baseball game at Kauffman Stadium in Kansas City, Mo., Thursday, May 15, 2014. (AP Photo/Orlin Wagner)