Brady Tkachuk and Adam Gaudette each scored twice, and Claude Giroux had two assists to extend his point streak to seven games for the Senators (5-4-0), who scored eight goals for the second time in just over two weeks (8-7 overtime win against the Los Angeles Kings on Oct. 14). Linus Ullmark made 26 saves.
Dylan Holloway scored for the Blues (5-5-0), who were outshot 36-26. Joel Hofer allowed five goals on 21 shots, and Jordan Binnington made 12 saves in relief.
Josh Norris backhanded a centering pass from Giroux on the rush to give the Senators a 1-0 lead at 1:04 of the first period. Giroux has 11 points (five goals, six assists) during his streak.
Noah Gregor made it 2-0 at 4:44 when he took a cross-slot pass from Michael Amadio and scored with a wrist shot top right. Amadio, who signed a three-year, $7.8 million contract with Ottawa on July 1, got his first point with the Senators.
Stutzle elected to shoot on a 2-on-1 rush and beat Hofer with a snap shot low blocker to make it 3-0 at 15:04.
Tkachuk scored with a wrist shot between Hofer’s pads on the power play to make it 4-0 at 8:55 of the second period. The Senators captain scored his second of the period on a subsequent power play to make it 5-0 at 11:08.
Adam Gaudette made it 6-0 at 11:50 with a snap shot over Binnington’s glove from the slot.
Stutzle one-timed a cross slot pass from Thomas Chabot to make it 7-0 at 7:31 of the third period.
Holloway one-timed a cross-ice seam pass from Alexandre Texier on the power play to cut it to 7-1 at 9:04.
Gaudette scored on a Zack Bolduc giveaway in front of the net at 15:27 for the 8-1 final.
