SAN DIEGO -- Reliever Luke Gregerson hardly broke a sweat Tuesday but was rewarded with his first win of the season.

Gregerson was summoned from the bullpen with two outs and a runner on base in the seventh inning. In a tied game, the right-hander threw one pitch to Juan Uribe, who earlier in the game hit a two-run home run.

One pitch -- an 81 mph slider -- and, as it turns out, one victory, as the Padres took the lead with a run in the seventh inning and then scored five more in the eighth inning for a 9-3 victory.

"That's about all I did yesterday," Gregerson said, smiling.

Uribe grounded a ball to third baseman Jedd Gyorko, who threw to second baseman Alexi Amarista for a force to end the inning.

Gregerson became just the fourth pitcher in club history since 1988 to throw one pitch and get credited with a victory. The others are Tim Mauser (1994), Dennys Reyes (2005) and Edward Mujica (2009).

"It's just part of the game. I'll take any win I can get, it was a good win for us," Gregerson said. "I have faced Uribe a number of times before, and I know his strengths and he knows mine. I tried to challenge him with my best pitch [slider] and he took a hack at it into the ground."

Headley takes BP, honing in on rehab assignment

CWS@SD: Headley opens scoring with RBI double to left

SAN DIEGO -- Two days after tests on his injured left thumb showed it's healing, Padres third baseman Chase Headley was on the field before Wednesday's game taking batting practice.

Headley, a switch-hitter, took batting practice from both sides of the plate before the Padres faced the Dodgers at Petco Park.

His swing felt good, Headley said, as did his thumb. On March 17, Headley suffered a fractured tip of his left thumb sliding into second base in a Spring Training game in Arizona.

The initial diagnosis was that he would miss between four and six weeks. After hitting Wednesday, Headley and the Padres are optimistic he can start a Minor League rehabilitation stint soon, possibly as early as this weekend.

"In the next three or four days, we might map something out," said Padres manager Bud Black. "But we are very encouraged. Chase's swings were good from both sides of the plate."

Headley, who led the National League in RBIs a year ago and won Silver Slugger and Gold Glove Awards, said he is eager to return but is pragmatic about the steps that are needed before he can do so.

"It will depend on how I feel," he said. "I don't think we're a long ways off. More than anything, we'll see how it feels."

Headley said he might need between four and seven games in a rehabilitation stint before he's ready to play in the big leagues again.

Nursing sore wrist, Quentin out of lineup

LAD@SD: Quentin exits after being hit by a pitch

SAN DIEGO -- Left fielder Carlos Quentin was out of the Padres starting lineup Wednesday after he was hit just above the right wrist with a pitch in Tuesday's victory over the Dodgers.

"He's still a little sore," said Padres manager Bud Black. "Medically, we're working him up. He's going through a number of tests, and we hope to get a better idea of where he's headed."

Quentin was hit by Dodgers pitcher Ronald Belisario in the seventh inning. He immediately clutched his wrist and motioned to the bench.

Quentin was examined on the field by team trainer Todd Hutcheson and Black. After a brief discussion, he then came out of the game. Quentin had an X-ray done after the game that didn't show any damage to the wrist area.

The outfielder wasn't available before Wednesday's game, as he was getting treatment on his wrist.

Black was asked if the injury would be enough to send Quentin to the disabled list.

"I don't think it's going to happen," Black said.

Quentin is hitting .250 this season in 16 at-bats, with three doubles, three walks and three RBIs in seven games.

Chris Denorfia got the start in left field in the second game of a three-game series against the Dodgers.

Worth noting

• Black used a pitcher as a pinch-hitter (Eric Stults) and pinch-runner (Tyson Ross) in Tuesday's victory over the Dodgers. According to Elias, it was the first time that two Padres pitchers were used in those roles in the same game since 1998, when Joey Hamilton was used as a pinch-hitter and Pete Smith pinch-ran.