Home NHL Lehner Undergoes Season-Ending Surgery NHL Lehner Undergoes Season-Ending Surgery By Randy Schultz - March 31, 2016 697 0 Facebook Twitter Google+ Pinterest WhatsApp BUFFALO, N.Y. — The Buffalo Sabres today announced that goaltender Robin Lehner has undergone successful surgery on his right ankle and will be unavailable for the remainder of the team’s games this season.