Buster Posey knew better than to stay in the lineup. The headache was a pretty good indicator.Colorado Rockies' DJ LeMahieu (9) scores past San Francisco Giants catcher Hector Sanchez during the eighth inning of a baseball game in San Francisco, Sunday, June 15, 2014.San Francisco Giants manager Bruce Bochy, right, argues with umpire Mike Muchlinski (76) after Juan Perez struck out against Colorado Rockies pitcher LaTroy Hawkins during the ninth inning of a baseball game in San Francisco, Sunday, June 15, 2014. Bochy was ejected by Muchlinski. The Rockies won 8-7.San Francisco Giants pitcher Javier Lopez walks off the mound during the eighth inning of a baseball game against the Colorado Rockies in San Francisco, Sunday, June 15, 2014. The Rockies won 8-7.