Grant Balfour #50 of the Oakland Athletics pitches against the San Francisco Giants during the seventh inning of an interleague game at AT&T Park on May 19, 2012 in San Francisco, California. The San Francisco Giants defeated the Oakland Athletics 4-0. (Photo by Jason O. Watson/Getty Images)
Oakland Athletics v San Francisco Giants
Oakland Athletics v San Francisco Giants
Oakland Athletics v San Francisco Giants
Oakland Athletics v San Francisco Giants
Bob Melvin #6 of the Oakland Athletics and bench coach Chip Hale #5 stand in the dugout against the San Francisco Giants during the sixth inning of an interleague game at AT&T Park on May 19, 2012 in San Francisco, California. The San Francisco Giants defeated the Oakland Athletics 4-0. (Photo by Jason O. Watson/Getty Images)