New York Rangers President and General Manager Glen Sather announced Monday that forward Vinny Prospal underwent arthroscopic knee surgery this morning to repair a lateral meniscus tear, and will be sidelined 10 days to three weeks. The injury was sustained during Saturday's game against the Islanders at Madison Square Garden. Prospal, 34, has registered eight goals and 24 assists for 32 points, along with 22 penalty minutes in 38 games this season.