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10/05/09 7:44 PM EST

Moehler undergoes surgery on knee

Astros right-hander expects to be ready for 2010

HOUSTON -- Astros right-hander Brian Moehler underwent surgery on his right knee to repair a torn tendon on Monday. Moehler, who is eligible for free agency, is expected to be ready in time for the 2010 season.

The surgery was performed by team medical director Dr. David Lintner at The Methodist Hospital in Houston's medical center. Lintner also removed some loose bodies during the procedure.

Moehler, 37, missed 18 games from April 14-May 4 with a right knee sprain. He finished the 2009 season with an 8-12 record and a 5.47 ERA in 29 outings for the Astros. Moehler went 1-7 with a 6.03 ERA in his final 13 starts of the season.

Brian McTaggart is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.