April 11, 2012; Oakland, CA, USA; Oakland Athletics first baseman Daric Barton (10) shows the ball to relief pitcher Grant Balfour (50) before tagging first base for the out against the Kansas City Royals during the ninth inning at O.co Coliseum. The Oakland Athletics defeated the Kansas City Royals 5-4. Mandatory Credit: Kelley L Cox-US PRESSWIRE