But they fell behind early Thursday night and never caught up.
Emelin got his first goal in 32 games this season when he converted a slap shot from the right point with four players standing right in front of the crease just 2:16 into the game.
Pacioretty scored his team-leading 23rd goal at 14:32. He received a pass along the left side in center ice, skated behind the defense and put a short backhander behind Rask.
But Hamilton scored his fifth goal just a minute later.
Neither team had many good opportunities in the first half of the second period. But less than two minutes later, Tomas Plekanec took a power-play shot from the right circle and Gionta tipped it in for his ninth goal.
Briere finished the scoring with a shot Johnson had little chance to stop. With three Bruins chasing him and only the goalie in front of him, Briere fired a 10-foot forehand shot over Johnson's shoulder.
NOTES: The Bruins fell to 12-3 in their last 15 home games. ... Budaj is 4-1 with one shutout in five career games against the Bruins. ... For the first time in the last 10 games between the teams, the final margin was more than one goal. The last time that happened was on Oct. 29, 2011, when Montreal won 4-2.
LEAFS 6, PANTHERS 3: In Toronto, Nazem Kadri had three assists as Toronto took its fifth consecutive home victory.
James van Riemsdyk set a career high with his 22nd goal for Toronto, which scored five straight goals after falling behind 2-0 in the first. Joffrey Lupul, Nikolai Kulemin and Tyler Bozak each had a third-period score.
Toronto (28-21-6) has won eight of 10 overall. It was coming off a 3-2 win against Tampa Bay on Tuesday night.