"Falcons cornerback Brent Grimes underwent successful surgery to repair his right knee Thursday.

"We've been in communication with him, and he's finished with the procedure," coach Mike Smith said.

The Falcons have not set a timetable for his return, but players with similar surgeries are out two to three weeks, according to Dr. Jonathan Glashow, an orthopedic surgeon and co-chief of sports medicine at New York's Mount Sinai Medical Center.

Grimes had been playing with the injury since the Detroit game Oct. 23."