Maxim Lapierre and Brenden Morrow scored as St. Louis improved to 14-2-0 in their last 16 games against Buffalo. The previous record for wins in a season belonged to the 1999-2000 Blues, who won 51 games on their way to their last Presidents' Trophy.
Elliott's shutout string ended at 166 minutes, 33 seconds, but he still moved to 18-5-2 overall and 10-1 at home this season. He was coming off a 1-0 win at Pittsburgh when he had 33 stops.
St. Louis (52-17-7) also moved into a tie with Boston for the most points in the league with 111. The Bruins lost 4-3 to Toronto in overtime.
Buffalo's Cody Hodgson scored a power-play goal at 19:04 of the third period.
MAPLE LEAFS 4, BRUINS 3, OT
TORONTO (AP) — Nazem Kadri scored 2:51 into overtime, giving Toronto the win.
Bergeron tied it at 12:51 of the third against backup goalie James Reimer, after Lucic scored 5:03 into the final period.
It remains to be seen how severe Bernier's injury is. He left 7:22 into the third period after Ranger pushed Patrice Bergeron into him.
AVALANCHE 3, RANGERS 2
DENVER (AP) — Colorado's Tyson Barrie scored in the final minute of regulation, and then scored again in the shootout.
Semyon Varlamov had 29 saves for Colorado, which has won five in a row. Varlamov also stopped each of New York's attempts in the shootout.
The Avalanche maintained a three-point lead on the Blackhawks for second place in the Central Division. The Blackhawks beat Minnesota in a shootout but still lag behind Colorado with 10 days left in the season.
BLACKHAWKS 3, WILD 2, SO
CHICAGO (AP) — Marian Hossa scored the lone goal in the shootout, and the banged-up Blackhawks stopped a three-game slide.
Chicago goaltender Corey Crawford made 25 saves through overtime, and then stopped all three Minnesota attempts in the shootout. Hossa connected on the Blackhawks' second attempt in the tiebreaker by powering a shot through Ilya Bryzgalov.
It was Chicago's first game since coach Joel Quenneville said captain Jonathan Toews would miss the rest of the regular season due to an upper-body injury. The Blackhawks also were without Patrick Kane, another star forward who is expected to miss the rest of the regular season because of a lower-body injury.
BLUE JACKETS 2, FLYERS 0
PHILADELPHIA (AP) — Sergei Bobrovsky stopped 37 shots for his fourth shutout of the season, leading Columbus to its first win in Philadelphia.
Led by Bobrovsky, a former Flyer, the Blue Jackets moved closer to clinching their second-ever playoff berth. They closed within two points of the Flyers for third place in the Metropolitan Division.
The Flyers have lost three straight and were shut out for the second straight time.
PENGUINS 4, JETS 2
WINNIPEG, Manitoba (AP) — Paul Martin returned after an 18-game absence and scored the winner to help Pittsburgh eliminate Winnipeg from playoff contention.
Martin, who was out with a broken hand, made it 3-2 with a power-play goal at 7:42 of the third period.
Brian Gibbons added an insurance goal when the Jets turned over the puck and he beat Pavelec with a low shot at 16:24.
Pittsburgh (49-23-5) won the NHL's Metropolitan Division title before the game was over because Philadelphia lost to Columbus earlier in the evening.
HURRICANES 4, STARS 1
RALEIGH, N.C. (AP) — John-Michael Liles had a goal and two assists to lead Carolina to the win.
Riley Nash added a key late goal and Chris Terry had his first two NHL assists to help the Hurricanes win their second straight game. Carolina has the league's second-worst power play but scored twice with the man advantage.
Anton Khudobin made 33 saves to help Carolina beat Dallas for the first time since 2009.
FLAMES 4, LIGHTNING 1
Calgary's Curtis Glencross scored twice in the final two minutes, including an empty-netter with 16 seconds left.