Vegas Golden Knights goaltender Robin Lehner (90) saves a shot on goal by the Calgary Flames during the first period of an NHL hockey game Sunday, Dec. 5, 2021, in Las Vegas. (AP Photo/Ellen Schmidt)

Vegas Golden Knights goaltender Robin Lehner (90) saves a shot on goal by Calgary Flames center Mikael Backlund, left, during the third period of an NHL hockey game Sunday, Dec. 5, 2021, in Las Vegas. Vegas Golden Knights center Nicolas Roy (10) and Vegas Golden Knights defenseman Alex Pietrangelo, behind, defend the goal. (AP Photo/Ellen Schmidt)

Vegas Golden Knights goaltender Robin Lehner (90) skates around the net during the first period of an NHL hockey game against the Calgary Flames Sunday, Dec. 5, 2021, in Las Vegas. (AP Photo/Ellen Schmidt)