San Francisco, CA (Sports Network) - Andres Torres sparked a three-run eighth inning with a solo homer, as the San Francisco Giants defeated the Colorado Rockies, 5-2, in the second test of a three-game series at AT&T Park.
Buster Posey capped the scoring in the eighth with a two-run double for the Giants, who bounced back from a 2-1 loss in the series opener.
Madison Bumgarner was solid in six innings, allowing one run on five hits. Jeremy Affeldt (4-3) got the win despite giving up a homer.
Melvin Mora hit a solo homer for the Rockies, who had won seven of eight coming in. Clint Barmes drove in the other run.
Esmil Rogers lasted six-plus frames in the start, giving up two runs on four hits. Matt Belisle (6-5) allowed two runs to take the loss.
Trailing 2-1, Mora tied the game with a solo homer off Affeldt in the top of the eighth.
San Francisco went back in front in the home eighth. Belisle, who recorded the final two outs in the seventh, gave up a leadoff homer to Torres. Freddy Sanchez followed with a bunt single and advanced to second on Belisle's throwing error. Joe Beimel came in from the bullpen and struck out Aubrey Huff before intentionally walking Pat Burrell. Pinch-hitter Cody Ross then walked to load the bases for Posey, who laced a two-run double off the wall in right.
Franklin Morales took over on the mound and got Pablo Sandoval to hit a grounder to shortstop Barmes, who went home with the ball for the second out. Pinch-hitter Aaron Rowand struck out, but not before the Giants took a 5-2 lead.
Brian Wilson pitched a perfect ninth for his 37th save of the season.
The Giants got on the board in the first. Sanchez doubled with one out and moved to third on Huff's groundout. A balk by Rogers allowed Sanchez to cross the plate.
Colorado tied the game in the second. Mora and Ryan Spilborghs walked, and Miguel Olivo singled to load the bases with one out. Barmes then stepped to the plate and hit a sacrifice fly.
The Rockies had a chance to take the lead in the third. Carlos Gonzalez hit a two-out double, but Mora grounded out to end the inning. Colorado put men on first and second during its next at-bat, but Barmes lined into an inning- ending double play.
Bumgarner helped his own cause in the fifth. Juan Uribe hit a two-out single and scored on Bumgarner's double for a 2-1 lead.
Colorado stranded runners on first and second in the sixth.
The Rockies lead the season series with the Giants, 8-6...Colorado was without shortstop Troy Tulowitzki (left groin)...The Rockies went 1-for-7 with runners in scoring position and stranded six...Colorado acquired pitcherManny Delcarmen from the Boston Red Sox in exchange for minor-league right-hander Chris Balcom-Miller on Tuesday.