Seattle Mariners' Corey Hart hits an RBI single against the Kansas City Royals in the third inning of a baseball game Thursday, May 8, 2014, in Seattle. (AP Photo/Elaine Thompson)
Seattle Mariners starting pitcher Hisashi Iwakuma throws against the Kansas City Royals in the first inning of a baseball game Thursday, May 8, 2014, in Seattle. (AP Photo/Elaine Thompson)
Seattle Mariners starting pitcher Hisashi Iwakuma bows to a teammate in the dugout after coming out of the game against the Kansas City Royals after the eighth inning of a baseball game Thursday, May 8, 2014, in Seattle. (AP Photo/Elaine Thompson)
Kansas City Royals' Lorenzo Cain, right, slides into a tag by Seattle Mariners second baseman on an attempted stolen base attemptin the seventh inning of a baseball game Thursday, May 8, 2014, in Seattle. (AP Photo/Elaine Thompson)