Trainer checks Royals catcher Perez's throat in eighth inning

The Kansas City Royals trainer checks catcher Salvador Perez's throat after he took a foul ball hit by New York Mets Wilmer Flores (4) during the eighth inning in game 4 of the World Series at Citi Field in New York City on October 31, 2015. Royals manager Ned Yost (R) looks on. The Royals hold a 2-1 series lead over the Mets. Photo by Pat Benic/UPI