An injury to Matthew Knies (lower body) allowed Blais to draw into Toronto's lineup on Tuesday, but his appearance was short-lived, exiting the contest after only 6:31 time-on-ice due to an upper-body injury. That said, Blais seems no worse for wear, returning to practice on Wednesday. The 29-year-old Blais recorded an assist before his injury, giving him three points (1G / 2A) and 27 hits in seven games this season.

Blais will slot in for Matthew Knies, who was a late scratch due to a lower-body injury. Blais has one goal and one assist in six games this season.

Knies was a surprise scratch on Tuesday, with the Leafs only announcing his absence about an hour before puck drop. He joins a crowded injury list in Toronto that already contains the likes of Auston Matthews, Anthony Stolarz, Chris Tanev, and Brandon Carlo. Knies is considered day-to-day with the injury.

Matthews has not played since suffering a lower-body injury from a Nikita Zadorov hit one week ago, but returned to practice on Tuesday, suggesting he is inching closer to a return. The 28-year-old Matthews has not been as dynamic as in previous seasons early in 2025-26, scoring 14 points (9G / 5A) through 17 games, but the Leafs have lost five straight and will be eager for their captain to return to the lineup.

Roy showed no signs of an injury in Toronto's most recent game, playing a season-high 19:45 time-on-ice, but seemingly suffered an upper-body injury and likely will not play the next few games, starting with Tuesday against the St. Louis Blues. The 28-year-old bottom-six forward has four points (1G / 3A) and 19 games through his first season with the Maple Leafs.

The Maple Leafs have lost five straight (0-4-1) and fallen to 8-9-2 on the season, hoping to return to the win column with Woll tending the twine on Tuesday against the St. Louis Blues. The 27-year-old Woll made his season debut over the weekend, saving 29 of 32 shots (.906 SV%) in a 3-2 loss to the Chicago Blackhawks. With inconsistencies in Toronto's crease this season, Woll has an opportunity to establish himself as their go-to option between the pipes.

Quillan made his NHL debut last season, playing one game with the Maple Leafs, but has predominantly played at the AHL level. The undrafted 23-year-old forward has impressed with the Marlies (AHL) this season, scoring 14 points (2G / 12A) in 14 games.

Roy showed no signs of an injury in Toronto's most recent game, playing a season-high 19:45 time-on-ice, but seemingly suffered an upper-body injury and will not play on Tuesday. The 28-year-old bottom-six forward has four points (1G / 3A) and 19 games through his first season with the Maple Leafs.

Stecher was claimed off waivers from the Edmonton Oilers over the weekend, and he will draw into the lineup for his Maple Leafs' debut on Tuesday against the St. Louis Blues. Primarily a third-pairing defenseman with the Oilers, the 31-year-old Stecher averaged 13:37 time-on-ice through six games this season.

Carlo did not play in Toronto's previous game, and will be sidelined for at least a week after being placed on Injured Reserve retroactive to November 13th. The 28-year-old shutdown defenseman is averaging 20:04 time-on-ice, recording 34 blocks and two assists in 18 games this season.

Akhtyamov was drafted in the fourth-round, 106th overall, by the Maple Leafs in the 2020 NHL Entry Draft. The 24-year-old goalie has yet to play an NHL game. He has a 2.82 GAA and .894 SV% in six games (4-2-0) with the Marlies (AHL) this season.