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09/15/12 1:16 PM ET

Valentine impressed with Carpenter's repertoire

TORONTO -- Right-hander Chris Carpenter picked up his first career win after recording two outs in the eighth inning of Friday's 8-5 victory over the Blue Jays.

It was Carpenter's fourth appearance with Boston after spending a majority of his year in the Minor Leagues, most recently at Triple-A Pawtucket, where he posted a 1.15 ERA over 16 relief appearances while holding opponents to a .137 batting average.

Carpenter has worked 3 1/3 scoreless innings with Boston since joining the team as a September callup.

"He has pitched very well since he has been here. I have been impressed with his velocity and his breaking ball," manager Bobby Valentine said.

Carpenter, who was acquired from the Cubs in the offseason as part of the compensation package for former general manager Theo Epstein, has been known to run his fastball up to triple digits and has been averaging 94.4 mph -- according to Fangraphs.com -- over his brief stint with the Red Sox.

Valentine likes Carpenter's composure on the mound, saying he has done a good job at bouncing back after falling behind in counts. His control hasn't been the sharpest, as he has issued one walk in each appearance, but Valentine isn't concerned.

"Right now, he seems very good. There is nothing not to like so far," Valentine said.

Following birth of second son, Pedroia returns to lineup

TORONTO -- Dustin Pedroia returned to the Red Sox's starting lineup, batting in the No. 3 spot and playing second base for Saturday's contest against the Blue Jays.

The three-time All-Star arrived in Toronto late Friday night after missing the club's past two games to be with his wife who delivered the couple's second son, Cole, on Thursday morning.

"It's awesome. He's big. He's almost nine pounds," Pedroia said. "It all worked out great. They're both healthy, and it's all I could ask for."

Pedroia returned to the lineup on a three-game multihit streak and has hit safely in all but three of 35 games since Aug. 5. Among American League players with at least 200 plate appearances since the All-Star break, Pedroia has the fourth-highest batting average at .340, and is sixth with a .947 OPS.

"I missed being around the guys and doing what I can to help them out, so it's good to be back," Pedroia said.

Manager Bobby Valentine is glad to have the former American League MVP back in Boston's lineup.

"He said he needs no time to get ready. He's ready," Valentine said.

Kalish will be used sparingly down the stretch

TORONTO -- Manager Bobby Valentine said outfielder Ryan Kalish is still bothered by two operations he had last year. The 24-year-old underwent season-ending surgery on his neck in 2011, and he then had left shoulder surgery in the offseason that forced him to miss the start of the Minor League season.

Kalish, who has not appeared in a game since Wednesday, is still limited physically and will be used sparingly down the stretch.

"He's not ready to go," Valentine said.

Valentine said that Kalish could enter games as a defensive replacement and pinch-runner, but all indications are that the skipper will closely monitor Kalish and allow him to get fully healthy during the offseason.

Kalish is batting .229 with a .532 OPS over 34 games this year after batting .265 with five homers in 33 Minor League games.

Chris Toman is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.