The surgery in Nashville, Tennessee, will repair a boney impingement and a torn labrum in Walker's right hip, general manager Paul Holmgren said on the team's website (http://flyers.nhl.com).
Walker is believed to have injured the hip during a September 21 preseason game with the New Jersey Devils, the Flyers said.
(Reporting by Gene Cherry in Salvo, North Carolina. Editing by Steve Ginsburg. To query or comment on this story email firstname.lastname@example.org)