Alexander Steen scored the only goal in a shoutout and Jake Allen made 32 saves to lift the St. Louis Blues over the Buffalo Sabres 3-2 on Thursday night.
St. Louis has won seven straight and 17 of its last 19 against Buffalo since 1999.
Kevin Shattenkirk and Vladimir Tarasenko scored power-play goals in regulation for the Blues (13-6-1), who had lost three of four. Allen stopped four shots in the 3-on-3 overtime period.
Sam Reinhart and Ryan O'Reilly scored in regulation for the Sabres (8-9-2), who have lost three straight after a stretch of five wins in six games. Linus Ullmark stopped 27 shots, including three in overtime.
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Steen scored in the third round of the shootout. The goal was reviewed but it held up.
The Blues scored first after Tyler Ennis went to the penalty box for 5 minutes for boarding Alex Pietrangelo.
Shattenkirk took advantage 5:34 into the first period with his second goal in two games, assisted by Steen and Tarasenko, on a top-shelf drive past Ullmark, who was screened by David Backes.
The Sabres tied it 1:31 into the second when Reinhart scored on a rebound after Allen blocked a shot from Rasmus Ristolainen.
St. Louis took advantage of another power play a few minutes later when Tarasenko scored on a wrister from the slot, assisted by Backes and Jori Lehtera, for his 12th of the season at 4:28.
O'Reilly tied the score again, with 8:04 left in the second period, with his third goal in three games on a wide-open shot from the slot after a nice feed from Brian Gionta.
The Blues killed a 5-on-3 penalty for 1:47 midway through the third, including Allen making a diving save on a shot from O'Reilly. The Sabres outshot the Blues 13-10 in the third period but neither team scored.
Tarasenko hit the left post on a breakaway with 1:38 left in overtime.
NOTES: Evander Kane returned to the Sabres’ lineup after missing 10 games with a sprained knee ligament. He was expected to miss four to six weeks. . Blues forward Steve Ott returned after sitting out six games with an upper-body injury. . Blues D Colton Parayko missed his second straight game with a lower-body injury.