After taking a 4-0 lead 41 seconds into the second period, the Bruins refused to engage in any rough play and kept their focus throughout. Boston took the lead in the best-of-7 series with Game 4 here on Monday (8 p.m. ET; NBC, CBC, SN, TVAS).
"They tried to back us down physically for sure," Bruins defenseman Brandon Carlo said. "You could see the stuff a little bit more so after the whistles, after we got up a couple of goals. But we did a great job of not buying into that kind of behavior and whatnot after the whistles and just focusing on our game in between the whistles.
"It starts with our leadership telling us to kind of play that way and stay composed and as long as we listen to them, I think we're good."
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Bruins forward David Backes was involved in numerous staredowns, including an extended one with Blues defenseman Joel Edmundson in the second period. But it ended without any physicality.
During the first television timeout of the second and the Bruins ahead 4-0, Blues goalie Jordan Binnington deliberately brushed his Boston counterpart, Tuukka Rask, as the goalies skated to their respective benches.
"It was a 4-0 game," said Binnington, who allowed five goals on 19 shots and was pulled when Bruins defenseman Torey Krug made it 5-1 at 12:12 of the second. "I wasn't happy. It's how I reacted. It's a long series, right? It's something I did and we're moving on."