They were calm and focused enough that, even when Morgan Rielly put the Maple Leafs up at 9:42 of the first period on a blast from the point, they did not waver. They looked to their best players, to their veterans and to their power play, with Marchand tying the game at 11:23, when he scored off a power-play face-off win by Bergeron on a puck that tipped off the inside of Ron Hainsey's leg and past Frederik Andersen. They did it again on a Krug rebound goal off a David Pastrnak shot, again on the power play, at 17:02.
The game-winner came in the second period, on a beauty of a rush, with Krejci setting up DeBrusk for the all-out effort to tip the centering pass past Andersen at 7:57 of the second, a goal they would need when Toronto's Auston Matthews scored to narrow the gap at 4:15 of the third.
"The execution," Bergeron said of what went right for Boston. "But I think also the way we were on the puck, our forecheck. I think they're a good team with their transition, when you have time, obviously. I thought we took time and space away pretty well. But it all came down to simplifying our game. I think that's when we're at our best."
It has come down to that time and again, to the simplicity of the game that the Bruins need to play, to the power play -- now 7-for-16 in the series -- and to the aggressive, on-the-line style that is generally their hallmark.
Oh, and to actually getting shots off.
"We weren't happy with the chances we got in Game 5," said Krug, who had nine of the Bruins' 41 shots in Game 6. "We weren't happy with our ability to push them back on their heels. If you funnel pucks to the net, force the goalie to control his rebounds or stop the puck, then it bodes well for us. We just continue to try to do that, have the right mentality, and hopefully that'll be the recipe for success in Game 7."
It was 7:09 into the second before the Maple Leafs got their first shot of the period, at which point the Bruins were leading in shots on goal, 20-7. They were putting pucks on Andersen in ways they hadn't in previous games, and though Andersen stood up well to it -- highlighted by a couple of glove saves, including one with 1:34 remaining in the first on Bergeron -- he couldn't save them all.
"Last game, the game before this, we probably passed up a few shots just to create chances for your teammates, whether it's rebounds or get a whistle and then we have an offensive-zone draw," Krug said. "I think it was just a mentality tonight. I knew coming in it was something I personally tried to do, and hopefully it bled through the team."