Despite picking up his ninth loss of the season, Jennings lowered his ERA, pitching a masterpiece Tuesday night against the Cardinals. Jennings gave up just four hits, pitching all nine innings, but one happened to be an Albert Pujols solo homer, the only run scored by either team on the night -- and the pitch Pujols hit off the top of the outfield fence was a changeup out of the zone, just where Jennings wanted it.Jennings is 2-0 with a 1.80 ERA aganst the Padres this season. He is 6-9 in his career with a 3.70 ERA in 21 starts against San Diego. Pitching matchup
SD: RHP Mike Thompson (3-2, 4.32 ERA)
Right-handed batters, with a .302 average and seven of the nine homers Thompson has allowed, are causing him more trouble than left-handers, who are batting .239. COL: RHP Jason Jennings (6-9, 3.70 ERA)
Jennings is 29-20 in his career at Coors Field with a 5.24 ERA in 68 starts.
Player to watch
Leadoff catalyst Dave Roberts is a career .300 hitter with a homer and four walks in 20 at-bats against Jennings.
Official game notes On television
Mighty XX 1090 Sports Radio; XEMO 860 (Español)
Tuesday: Houston (LHP Andy Pettitte, 9-11, 5.18) at San Diego (RHP Jake Peavy, 5-10, 5.01), 7:05 p.m. PT
Wednesday: Houston (RHP Taylor Bucholz, 6-9, 5.96) at San Diego (RHP Woody Williams, 4-2, 3.69), 7:05 p.m. PT
Lyle Spencer is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.