Jeremy Affeldt was used in a closer's role Sunday against the Astros, but Ramon Ramirez ended up earning the save in extra innings.

With the game tied at four heading into the ninth inning, manager Bruce Bochy called on Affeldt. The dominant lefty did his job, pitching two scoreless innings. But Affeldt was spent once the Giants grabbed the lead, so Ramirez came in and nabbed the save with a perfect 11th inning. Today only confirmed that Affeldt is the closer to own with Brian Wilson (elbow) on the DL. He has given up just one earned run in his last 17 1/3 innings.

Jeremy Affeldt allowed a run on two hits over 2/3 of an inning in his return to action Friday.

Affeldt hadn't pitched since tweaking his calf Tuesday, but he should be fine moving forward. He's posted a 3.35 ERA and 1.25 WHIP while holding left-handed batters to a .180 average this season.

Giants manager Bruce Bochy said Jeremy Affeldt (calf) is "OK," but he'd like to avoid using the left-hander Wednesday.

Affeldt suffered a calf injury Tuesday, but it appears it was just a cramp. The lefty boasts a 3.11 ERA and 33/14 K/BB ratio over 37 2/3 innings this season.

Jeremy Affeldt tweaked his right calf muscle in the ninth inning of Tuesday night's loss to the Padres.

Affeldt was able to complete the inning, but said after the game that his calf "grabbed at him." He's hopeful that it's just a cramp, but we should know something more definitive Wednesday. The 32-year-old southpaw has a 3.11 ERA and 33/14 K/BB ratio over 37 2/3 innings this season.

Jeremy Affeldt fanned five in two perfect innings to earn a save Sunday against the Indians.

Brian Wilson was unavailable, so Sergio Romo was expected to get the ball in the ninth inning tonight. However, Affeldt was so impressive in the eighth that manager Bruce Bochy opted to stick with him. It was his second save of the season.

Jeremy Affeldt was credited with his fourth save after getting two outs in the Giants' 6-3 win Tuesday.

Brian Wilson had the night off after pitching three straight days, so Sergio Romo started the ninth tonight, only to be removed after a one-out single. Affeldt came in and got Miguel Montero to ground into a double play, ending the game. Since the tying run was on deck at the time, that gave him a save.

Giants activated LHP Jeremy Affeldt from the 15-day disabled list.

Affeldt takes Chris Ray's place on the roster. The southpaw hasn't pitched since July 20 due to a slight tear of his left oblique muscle. He returns to a 4.11 ERA and 1.66 WHIP in 37 appearances this season.

Jeremy Affeldt (oblique) threw anoter successful bullpen session Sunday.

Affeldt made 20 throws on Friday and stepped it up to 30 on Sunday. He's aiming to return in the third week of August. "I would assume that if everything continues, it'd be around then," said the left-handed setup man. "It seems like that'd be a good target day. ... I think it all just depends."

Jeremy Affeldt (oblique) was upbeat after a 20-pitch bullpen session Friday.

"It went well," said Affeldt, who was throwing at about 85 percent effort. "Better than I thought it was going to go." Affeldt will play catch Saturday but isn't sure what the next step in his rehab is after that. The Giants have said that the left-hander won't return until the third week of August at the earliest.

Giants placed LHP Jeremy Affeldt on the 15-day disabled list, retroactive to July 21, with a slight tear of his left oblique.

The Giants believe Affeldt will be healthy enough to return once his two-week stint is up. He has a 4.11 ERA and a 1.66 WHIP in 37 relief appearances this season. Joe Martinez has been recalled to fill his spot.

Jeremy Affeldt (hamstring) is available to pitch against the Reds on Monday night.

"He feels pretty good," said Bochy. Affeldt has appeared in just one game since injuring his left hamstring on May 23.

Jeremy Affeldt (hamstring) threw a bullpen session on Friday.

Affeldt has been sidelined since Sunday after re-aggravating his left hamstring. It's a positive step, but it's not known if he will be available against the Pirates on Friday night.

The Giants still haven't decided what to do about Jeremy Affeldt (hamstring).

Affeldt has pitched just once since May 23 due to the hamstring injury, but retweaked the ailment in that outing. "He's not quite making the improvement we would like, or he would like, so we'll see how he's doing after the game and talk about his situation," Giants manager Bruce Bochy said. The Giants are seriously thinking about placing Affeldt on the disabled list.

Jeremy Affeldt returned to action on Sunday May 30.

Giants pitching coach said on Tuesday that Jeremy Affeldt (hamstring) would be sidelined for at least two or three days.

Affeldt underwent an MRI on Monday which revealed a deep strain in his left hamstring. The injury might not be serious enough to land him on the disabled list, but don't expect to see him over the next few days.

Jeremy Affeldt underwent an MRI on Monday which revealed a strain in his left hamstring.

Affeldt suffered the injury while trying to field a bunt during the eighth inning of Sunday's game. He will be reevaluated over the next few days. The Giants have an off-day on Monday, but they can ill-afford living without one of their top relievers for long. Affeldt has a 3.12 ERA over his first 17 appearances this season.

Jeremy Affeldt injured his left hamstring during the eighth inning of Sunday's game.

The injury was sustained while Affeldt attempted to field a bunt. He stayed in the game and allowed two singles before getting yanked for Dan Runzler. Affeldt doesn't yet know if he will miss any time. "Hopefully my hamstring is lying to me, and it's not really hurt," Affeldt said. "We don't need another (injury) right now." We should know more on Monday.

Jeremy Affeldt recorded a two-inning save Sunday despite giving up a homer to Jason Heyward in the ninth.

After scoring three times in the bottom of the eighth, the Giants were up 6-2 entering the ninth, so they opted to let Affeldt finish it. The save was Affeldt's first since 2006.