Vogelsong owns a 5-1 record with a 3.06 ERA in eight starts against the Rockies, whom he's scheduled to face in Monday's series opener at Denver. That's his best record (minimum two decisions) against any club. He also has limited Rockies hitters to a .212 batting average, his lowest against any opponent.
Vogelsong owns a 2-1 record in three starts at Coors Field, the Rockies' home that tends to be unfriendly toward pitchers. His ERA in starts at Coors Field is a somewhat inflated 5.40.
Chris Haft is a reporter for MLB.com. Read his blog, Haft-Baked Ideas, and follow him on Twitter at @sfgiantsbeat. This story was not subject to the approval of Major League Baseball or its clubs.