"That must have given the players a lot of confidence, seeing that," Irvin Jr. said. "My dad told Plante in the Chicago hotel lobby that morning, 'You're playing tonight, and you'll get a shutout,' which he did, 3-0. And my dad was certain that if that switch hadn't paid off, he'd have been fired."
The Canadiens won Game 7 back in Montreal, then defeated the Boston Bruins in a five-game Final, the only time Irvin Jr. was in the building when his father's team won a Stanley Cup championship.
It's safe to say that game, the victory earned on Elmer Lach's historic overtime goal and celebrated famously rinkside by Irvin, Lach and Canadiens star Rocket Richard, earned the coach more headlines than had his 1,000th career game in the same arena three years earlier.
Irvin would retire from coaching after one final season with Chicago in 1955-56, where his NHL career had begun as a player and coach, one year before his death at age 64.
Today, Irvin is in sixth place on the NHL's all-time list of regular-season games coached at 1,449, passed for No. 5 this week by St. Louis Blues coach Ken Hitchcock. Scotty Bowman, with 2,141, is atop the list, 534 ahead of Al Arbour.