While playing with the Canadiens, he was part of a trio called the "Punch Line," with Elmer Lach at centre and Maurice Richard at right wing. He scored the Stanley Cup-clinching goal in the 1944 Stanley Cup Finals at 9:12 of the first overtime of game four, helping the Canadiens complete a four-game sweep of the Chicago Blackhawks. The following season, the Punch Line became the second set of linemates ever to finish first, second, and third in NHL scoring in one season (Lach had 80 points, Richard 73, and Blake 67). They followed the Boston Bruins' Kraut Line of , and would be followed by the Detroit Red Wings' Production Line in .