Following this morning's optional skate, St-Louis confirmed that there won't be any lineup changes versus Buffalo.
For their part, the Sabres have dropped three games in a row after falling 7-3 to the Blue Jackets on Sunday in Columbus.
Tage Thompson scored his 20th goal of the season in the loss. It was his fourth goal in the last two games after he registered his first NHL hat trick on Saturday in Denver.
Thompson now sits tied for the lead in goals with Jeff Skinner, and leads the club in scoring with 38 points, two points clear of Skinner.
Defenseman Rasmus Dahlin was back at practice on Tuesday after missing the game against Columbus with a lower-body injury.
Forward Kyle Okposo isn't expected to play tonight due to illness.
Forward Victor Olofsson has a non-COVID related illness and didn't travel with the team to Montreal. With Olofsson sidelined, Brandon Biro was recalled from the AHL's Rochester Americans. Biro will make his NHL debut.
Goaltender Craig Anderson will get the start.
The Sabres have won all three previous encounters with the Canadiens this season.
Skinner scored four goals in the most recent meeting on February 13 to pace the visitors to a 5-3 victory at the Bell Centre.
Broadcast information
Puck drop is 7:30 p.m. ET.
You can watch the game on Sportsnet, Sportsnet 360, Sportsnet ONE, TNT and RDS, and listen on TSN 690 and 98,5 fm.