Philadelphia Flyers center Sean Couturier is out four weeks after injuring his knee for the second time in five months.

General manager Ron Hextall said Wednesday that Couturier was injured Aug. 10 during an offseason exhibition game. Hextall expects Couturier to be a limited participant in training camp when the Flyers get on the ice Sept. 14 and for the 25-year-old to be full-go halfway in and play in some preseason games.

Dancing around specific details, Hextall would only say the injury was not in the exact same spot as when Couturier damaged the medial collateral ligament in his right knee during the playoffs when he collided with teammate Radko Gudas in practice.

“It’s not a re-injury,” Hextall said on a conference call. “He was 100 percent at the time, had more than enough time to heal after the season.”

Couturier was playing in the summer Boot Camp Tournament in Quebec City when the latest injury happened. Hextall called it a “freak” accident, which similarly describes the knee-on-knee collision with Gudas in April.

“He was participating in a game, kind of an innocent play, and things happen,” Hextall said. “It was just kind of a play in front of the net and it was a rebound and his leg just went the wrong way.”

Hextall said the team has no plans to forbid players from participating in summer leagues or tournaments.