Matt Moulson forced overtime by scoring with 53 seconds left in regulation in a game the Sabres won after squandering a 3-1 second-period lead. Brian Flynn had a goal and assist, while Tyler Myers and Zemgus Girgensons also scored for Buffalo.
Coming off a 3-2 win over Carolina on Tuesday, the Sabres (17-34-8) won consecutive games for only the third time this season, and first since Dec. 17-19.
RED WINGS 2, CANADIENS 1, OT
A team coached by Detroit's Mike Babcock, who led Canada to the gold medal, had not allowed a goal since Lauris Darzins got one at 15:41 of the first period of Canada's 2-1 win over Latvia in the quarterfinals in Sochi.
Todd Bertuzzi scored in the first period for Detroit.