Alex Tuch was placed on injured reserve on Saturday, 26 February, with a lower body injury after the Sabres' 3-1 win against the Florida Panthers. He is considered "week-to-week".

Players on injured reserve cannot compete in an NHL game for a period of at least seven days.

https://www.nhl.com/info/hockey-operations-guidelines#:~:text=A%20player%20placed%20on%20Injured,and%20participate%20in%20practice%20sessions.