San Francisco Giants' Tim Lincecum, left, smiles next to trainer Dave Groeschner as the Giants play the San Diego Padres in the fourth inning of a baseball game in San Francisco, Tuesday, Sept. 8, 2009. Giants pitcher Madison Bumgarner made his major league debut after Lincecum was scratched from his scheduled start Tuesday night against San Diego with inflammation in the lower left side of his back. AP Photo logo AP Photo 2 months ago

San Francisco Giants' Tim Lincecum, left, smiles next to trainer Dave Groeschner as the Giants play the San Diego Padres in the fourth inning of a baseball game in San Francisco, Tuesday, Sept. 8, 2009. Giants pitcher Madison Bumgarner made his major league debut after Lincecum was scratched from his scheduled start Tuesday night against San Diego with inflammation in the lower left side of his back.