OTTAWA, Ontario (Interstat) — Pius Suter, Jake Neighbours and Mason McTavish each scored twice, and the St. Louis Blues used a four-goal third period to beat the Ottawa Senators 7-2 on Tuesday night at Canadian Tire Centre. Adam Jiricek also scored for St. Louis, which improved to 3-3-0. Pavel Buchnevich had three assists, and Joel Hofer stopped 15 shots. Ottawa fell to 5-2-0. The announced attendance was 14,085. St. Louis was the visiting team.

Suter opened the scoring at 14:28 of the first period with a wrist shot, assisted by Colton Parayko and Buchnevich. The opening period was physical and frenetic. Dylan Peterson hit Andre Burakovsky, Justin Barron hit Michael Amadio and Suter hit Tim Stutzle. Ross Johnston hit Warren Foegele. The Senators had giveaways from Jorian Donovan, Nick Cousins, Stephen Halliday and Shane Pinto. St. Louis had giveaways from Jake Neighbours, Adam Jiricek, Buchnevich, Philip Broberg and Cam Fowler. Hofer made saves on Fabian Zetterlund, Pinto, Jordan Spence, Carter Yakemchuk, Stutzle and Drake Batherson. Ersson saved attempts by Jonatan Berggren, Jiricek and Jimmy Snuggerud. McTavish won a faceoff against Dylan Cozens. Ridly Greig had a backhand attempt fail. Hoyt Stanley hit Neighbours. Robert Thomas won draws against Claude Giroux and Stutzle. Thomas Chabot had a takeaway. Stutzle’s shot was blocked by Broberg. Ottawa’s Jordan Spence received a holding penalty, and St. Louis’ Cam Fowler was called for holding. Brandon Carlo later took a high-sticking penalty for the Blues. After Suter’s goal, Connor McMichael won a faceoff against Pinto. Pinto had a wrist shot saved. Spence and Yakemchuk also were denied by Hofer. Cozens shot wide. Stutzle had a slap shot saved. Yakemchuk’s shot was blocked by Buchnevich. Pinto hit Barron. Foegele gave the puck away. McTavish had a shot blocked by Spence. The Blues carried the lead into the first intermission.

The second period began with Suter winning a faceoff against Halliday and putting a shot wide. Stutzle won a draw against McTavish. Donovan hit Peterson, then Peterson hit Donovan. Cousins hit Johnston, and Johnston hit Cousins. Zetterlund’s shot was blocked by Barron. Giroux won a faceoff against McTavish. Berggren had a takeaway. Carlo’s slap shot went wide. Berggren’s shot was blocked by Chabot. McTavish hit Pinto. Cozens’ shot was blocked by Broberg. Snuggerud’s wrist shot was saved. Thomas won a faceoff against Greig and hit Hoyt Stanley. Barron’s shot was blocked by Tyler Kleven. Foegele hit Fowler. Stutzle and Fowler had giveaways. Foegele’s tip-in was saved by Hofer. Yakemchuk’s shot was blocked by Neighbours. Cozens hit Parayko. Chabot had a takeaway. Peterson hit Chabot. Greig shot wide. Suter hit Kleven. McTavish had two shots saved. Neighbours made it 2-0 at 26:20 with a wrist shot from Thomas and Holloway. Giroux won a faceoff against Dvorsky. Hoyt Stanley received a holding penalty. Greig won a faceoff against Thomas. Holloway’s shot was saved. Hofer had a giveaway. Amadio had a takeaway. Cozens won a faceoff against Dvorsky and hit Dvorsky. McTavish’s shot was saved. Buchnevich’s shot was blocked by Kleven. McMichael shot wide. Stutzle hit Dvorsky. Parayko’s shot was saved. Suter won a faceoff against Greig. Cozens’ shot was saved. Johnston gave the puck away. Snuggerud’s shot was blocked by Yakemchuk. Stutzle shot wide. Giroux scored at 34:52 from Stutzle and Batherson. Pinto won a faceoff against McTavish. Parayko gave the puck away. McTavish scored at 36:25 from Berggren and McMichael. Dvorsky won a faceoff against Cozens. Fowler gave the puck away. Neighbours’ shot was saved. Pinto won a faceoff against Thomas and had a failed bank attempt. Suter won a faceoff against Stutzle. Parayko received a tripping penalty. Stutzle won a faceoff against Thomas. Carlo hit Cozens. The Blues took momentum into the third.

St. Louis broke the game open in the third. Halliday won a faceoff against Suter. Foegele won a faceoff against Holloway. Thomas won a faceoff against Stutzle. Suter won a faceoff against Halliday. Peterson hit Donovan. Johnston hit Zetterlund. Giroux won a faceoff against Dvorsky. Buchnevich’s shot was saved. Stutzle won a faceoff against McTavish. Greig’s shot was blocked by Jiricek. Suter scored at 21:54 from Johnston and Carlo. Barron hit Zetterlund. Stutzle hit Parayko. Johnston had a takeaway. Suter hit Greig. Cousins hit Parayko. Zetterlund’s shot was blocked by Buchnevich. McTavish won faceoffs against Cozens twice. Zetterlund’s shot was saved. Giroux won a faceoff against Thomas. Snuggerud shot above the crossbar. Dvorsky won a faceoff against Halliday. Neighbours scored at 42:46 from Buchnevich and Fowler. Cozens won a faceoff against McTavish. Foegele received a delay-of-game penalty. Peterson and Donovan received fighting penalties. Suter won a faceoff against Pinto. Suter’s shot was saved. McTavish scored at 45:33 from McMichael and Buchnevich. Dvorsky won a faceoff against Cozens. Broberg’s shot was saved. McTavish won a faceoff against Pinto. McTavish’s tip-in went wide. Jiricek scored at 48:32 from Suter and McTavish. Dvorsky won a faceoff against Stutzle. Foegele shot wide. Broberg received a hooking penalty. Suter won a faceoff against Stutzle. Suter’s shot was saved. Buchnevich shot wide. Pinto won a faceoff against McTavish. Zetterlund’s shot was blocked by Barron. Zetterlund scored at 54:33 from Halliday and Pinto. Dvorsky won faceoffs against Halliday. Neighbours gave the puck away. Fowler had a takeaway. Hofer finished with 15 saves on 17 shots.

Suter led the Blues with two goals, one assist and four shots on goal. McTavish had two goals, one assist, six shots on goal and one hit. Neighbours added two goals, three shots on goal and two hits. Buchnevich finished with three assists, one shot on goal and two hits. Jiricek had one goal, three shots on goal and one hit. McMichael contributed two assists. Berggren recorded one assist and one shot on goal. Broberg had one shot on goal, two penalty minutes and three hits. Dvorsky had one shot on goal. Hofer earned the win. For Ottawa, Giroux and Zetterlund scored, and Ersson made saves throughout.

Ottawa had entered the game as one of the early-season leaders in the Eastern Conference, having won five of seven. The Senators had recent wins over New Jersey, Nashville in a shootout, Philadelphia, Boston and Toronto, with a loss to Detroit. St. Louis improved to .500 after an uneven start that included a win over Columbus, an overtime loss to San Jose, losses to Chicago and Colorado, and a win at Dallas. The Blues will next visit Minnesota on Thursday. Ottawa will host the New York Islanders on Thursday.

Interstat’s game simulator had projected a final score of Ottawa 4, St. Louis 2. Interstat’s ELO system had projected Ottawa with a 58 percent probability to win. Ottawa had been installed as a pregame favorite with a spread of minus 1.5. The total score of 9 went over the over/under line of 5.5.