Golden Knights top Avalanche 6-3, reach Stanley Cup semis

Vegas Golden Knights right wing Keegan Kolesar, center, celebrates after scoring against the Colorado Avalanche during the second period in Game 6 of an NHL hockey Stanley Cup second-round playoff series Thursday, June 10, 2021, in Las Vegas. (AP Photo/John Locher)

Vegas Golden Knights defenseman Alec Martinez (23) and goaltender Marc-Andre Fleury (29) celebrate after defeating the Colorado Avalanche in Game 6 of an NHL hockey Stanley Cup second-round playoff series Thursday, June 10, 2021, in Las Vegas. (AP Photo/John Locher)

LAS VEGAS — Alex Pietrangelo scored his first goal of the postseason to break a tie late in the second period, and the Vegas Golden Knights defeated the Colorado Avalanche 6-3 in Game 6 of their second-round series on Thursday night to advance to the Stanley Cup semifinals.