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OAKLAND, CA - APRIL 17: Kelvin Herrera #40 of the Kansas City Royals pitches during the game against the Oakland Athletics at the Oakland Coliseum on April 17, 2016 in Oakland, California. The Athletics defeated the Royals 3-2. (Photo by Michael Zagaris/Oakland Athletics/Getty Images)

OAKLAND, CA - APRIL 17: Kelvin Herrera #40 of the Kansas City Royals pitches during the game against the Oakland Athletics at the Oakland Coliseum on April 17, 2016 in Oakland, California. The Athletics defeated the Royals 3-2. (Photo by Michael Zagaris/Oakland Athletics/Getty Images)