Oakland Athletics pitcher Brandon McCarthy (32) leaves the field with a trainer after being hit in the head by a ball hit by Los Angeles Angels' Erick Aybar in the fourth inning of a baseball game, Wednesday, Sept. 5, 2012, in Oakland, Calif. (AP Photo/Ben Margot)
Oakland Athletics pitcher Brandon McCarthy (32) leaves the field with a trainer after being hit in the head by a ball hit by Los Angeles Angels' Erick Aybar in the fourth inning of a baseball game, Wednesday, Sept. 5, 2012, in Oakland, Calif. (AP Photo/Ben Margot)
Boston Red Sox manager Bobby Valentine watches the game against the Oakland Athletics in the seventh inning of a baseball game Saturday, Sept. 1, 2012 in Oakland, Calif. Oakland won 7-1. (AP Photo/ Tony Avelar)
Boston Red Sox manager Bobby Valentine watches the game against the Oakland Athletics in the seventh inning of a baseball game Saturday, Sept. 1, 2012 in Oakland, Calif. Oakland won 7-1. (AP Photo/ Tony Avelar)
Oakland Athletics pitcher Brandon McCarthy (32) leaves the field with a trainer after being hit in the head by a ball hit by Los Angeles Angels' Erick Aybar in the fourth inning of a baseball game, Wednesday, Sept. 5, 2012, in Oakland, Calif. (AP Photo/Ben Margot)
Oakland Athletics catcher Kurt Suzuki is shown against the Minnesota Twins in the a baseball game Saturday, July 14, 2012 in Minneapolis. (AP Photo/Jim Mone)
Dustin Ackley of the Seattle Mariners hits an RBI single in front of Oakland Athletics catcher Kurt Suzuki in the 11th inning of their American League season-opening baseball game at the Tokyo Dome in Tokyo on Wednesday, March 28, 2012. Seattle won 3-1. (AP Photo/Itsuo Inouye)
Oakland Athletics' Derek Norris during a spring training baseball workout Monday, Feb. 27, 2012 in Phoenix. (AP Photo/Darron Cummings)
Oakland Athletics' Brad Peacock during a spring training baseball game against the Los Angeles Angels Monday, March 5, 2012, in Phoenix. (AP Photo/Darron Cummings)
