Oakland Athletics starting pitcher Travis Blackley throws against the Texas Rangers during the first inning of their baseball game, Wednesday, July 18, 2012, in Oakland, Calif. (AP Photo/Eric Risberg)

Texas Rangers' Craig Gentry watches his RBI double off Oakland Athletics starting pitcher Travis Blackley during the fifth inning of a baseball game Wednesday, July 18, 2012, in Oakland, Calif. (AP Photo/Eric Risberg)

Oakland Athletics' Brandon Hicks hits a walkoff home run off Texas Rangers relief pitcher Michael Kirkman in the ninth inning of their baseball game on Wednesday, July 18, 2012, in Oakland, Calif. Oakland won the game 4-3. (AP Photo/Eric Risberg)

Oakland Athletics' Brandon Hicks circles the bases after hitting a walkoff home run against Texas Rangers relief pitcher Michael Kirkman in the ninth inning of their baseball game on Wednesday, July 18, 2012, in Oakland, Calif. Oakland won the game 4-3. (AP Photo/Eric Risberg)

Texas Rangers starting pitcher Colby Lewis throws to an Oakland Athletics batter during the first inning of a baseball game Wednesday, July 18, 2012, in Oakland, Calif. (AP Photo/Eric Risberg)