Jason Hammel's first start with the Oakland Athletics didn't exactly go as planned.San Francisco Giants' Buster Posey swings for an RBI single off Oakland Athletics' Jason Hammel in the third inning of a baseball game Wednesday, July 9, 2014, in San Francisco.Oakland Athletics' Stephen Vogt, right, is congratulated by Brandon Moss (37) after Vogt hit a home run off San Francisco Giants' Matt Cain in the fourth inning of a baseball game Wednesday, July 9, 2014, in San Francisco.San Francisco Giants shortstop Brandon Crawford, left, chases Oakland Athletics' Craig Gentry in the fifth inning of a baseball game Tuesday, July 8, 2014, in Oakland, Calif. Crawford tagged out Gentry in the rundown between second and third base.San Francisco Giants' Hunter Pence, right, is congratulated by third base coach Tim Flannery after Pence hit a home run off Oakland Athletics' Jason Hammel in the fourth inning of a baseball game Wednesday, July 9, 2014, in San Francisco.