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05/05/2013 6:53 PM ET

Pagan rests with mild hamstring strain

SAN FRANCISCO -- After suffering a mild strain to his upper right hamstring on a throw Saturday, Giants center fielder and leadoff hitter Angel Pagan did not start Sunday's series finale and remains day to day.

In the fifth inning Saturday, Matt Kemp hit a line-drive two-run single to center, and Pagan said he felt a "tweak" in his hamstring on the throw. Pagan popped out to third in the bottom of the inning and afterward was replaced by Francisco Peguero in the leadoff spot, while defensive replacement Andres Torres moved from left to center.

On Sunday, Torres was batting leadoff and starting at center. Pagan wasn't going to run or hit Sunday -- "just chill," he said.

"I just feel like, the way I play, if I continue to play, I might make it worse," Pagan said.

Manager Bruce Bochy seemed doubtful about whether Pagan would be available to pinch-hit.

"He's not going to be out there if it's bothering him at all," Bochy said.

Quiroz gets second start after walk-off shot

SAN FRANCISCO -- Giants manager Bruce Bochy did not know that Saturday night's walk-off hero, Guillermo Quiroz, had caught Dodgers closer Brandon League, off whom he homered in the 10th inning Saturday, in previous career stops at Seattle and Toronto until he was informed Sunday morning.

But he knew all along that Quiroz would start at catcher once this series.

Quiroz found himself in the starting lineup Sunday, only his second start of the season. He last started April 24, also the last time he had played before Saturday. He batted seventh, and the start came a day after his walk-off solo home run in the Giants' 10-9 win. It was the Giants' second consecutive walk-off win against the Dodgers and the 11th time they've come from behind to win this season, most in the Majors.

"We kid around about a rule we have that if you hit a home run you get to play the next day," Bochy said. "Actually, I had told Buster [Posey] that he would play first base one game. It just worked out great."

Posey started at first base, as regular Brandon Belt got a breather against Dodgers left-hander Hyun-Jin Ryu.

Quiroz has built a reputation for being a hard worker who comes in early, on Sunday balancing an ESPN Sunday Night Baseball camera filming him in the clubhouse with a meeting with starter Matt Cain to discuss Dodgers scouting reports.

"To do what he was able to do last night, we're all proud of him," Bochy said.

Worth noting

• Peguero made his first career start Sunday, playing left field. He made his season debut Saturday as a result of Pagan's fifth-inning injury. Peguero, 24, went 1-for-2 with a double, stolen base and a run. He was recalled Friday from Triple-A Fresno (.415 batting average in 16 games), taking the spot of catcher Hector Sanchez.

"He had a good spring and played well in Fresno," Bochy said. "He's just getting better and better. He's got a lot of talent. He can run, throw, hit for power. He's going to be a real nice player."

• Saturday marked the first time since 1987 that the Dodgers scored eight runs against the Giants and lost.

Willie Bans is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.