Giants vie for three-game sweep of skidding Rockies

(Photo credit: John Jones-USA TODAY Sports)
Wins have been scarce for the Colorado Rockies -- and their starting pitchers.

Cal Quantrill has one of the rotation's two victories, and he will shoot for another when Colorado wraps up a three-game series against the San Francisco Giants on Thursday in Denver.

Quantrill (1-3, 4.31 ERA) willface San Francisco's Keaton Winn (3-4, 4.41) in a matchup of right-handers as the Gian