Left-handed starter for the Colorado Rockies (34-54), Drew Pomerantz, gave up five runs on five hits in five innings yesterday afternoon, en route to a 5-1 series finale loss to the visiting Philadelphia Phillies (39-51). The Rockies open a three-game series against the NL East leading Pittsburgh Pirates (49-39) tonight at 6:40 at Coors Field (TV: Root Sports).

Pomeranz (1-4) also struck out five Phillies, but that's small consolation as the Rockies fell to 3-12 on Sundays, squandering a chance at winning their first outright series since early June.

The Rockies nicked Phillies lefty Cole Hamels (11-4) for one run in eight innings, thanks to a Carlos Gonzalez RBI triple in the sixth inning, but couldn't add more. With Gonzalez at third and one out, cleanup hitter Ramon Hernandez struck out and Michael Cuddyer grounded out to end the frame.

Official: Sunday's Box Score.

Hamels gave up leadoff singles to the Rockies in the first three innings, and still got out of each of them without a threat.

"When you're dealing with a guy like Cole Hamels, when situations present themselves, you have to seize them," Rockies manager Jim Tracy said. "Unfortunately we didn't do that."

As Pomeranz's pitch count began to climb, it looked like he'd be saddled with another tough-luck loss. Before winning July 6 at Washington, Pomeranz lost despite giving up one unearned run in six innings to the Padres on July 1 in his first start since early May.

The fifth inning appeared to be going fine, after strikeouts of Mike Fontenot and Hamels. But Jimmy Rollins slapped a single through the left side of the infield and Shane Victorino drew a four-pitch walk.

Pence then snapped his 0-for-13 slump with his 17th homer of the season, giving the Phillies a 5-1 lead.

The Rockies start a three-game series against the Pirates in Denver tonight. The Rockies are 1-2 against the Pirates this year, but none of the Rockies pitchers who started in those three games are currently active. Jamie Moyer has been released and Juan Nicasio and Jhoulys Chacin are on the disabled list.

Tickets are available for tonight's game vs. the Pittsburgh Pirates at Coors Field, and can be purchased by calling (800) 388-ROCK, or click here.