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Sabres Activate Michael Kesselring From Injured Reserve

December 18, 2025 by Pro Hockey Rumors

The Sabres have activated defenseman Michael Kesselring from injured reserve as expected, per Heather Engel of NHL.com. They had an open roster spot after assigning Isak Rosen to AHL Rochester on Tuesday, so no corresponding transaction is required.

Kesselring’s second long-term absence of the season ends after 14 games due to a lower-body injury. The Sabres still might not get to see what a fully healthy defense corps can do tonight against the Flyers, though. Head coach Lindy Ruff said this morning that Conor Timmins will be a game-time decision with an undisclosed injury (via Matthew Fairburn of The Athletic).

The 25-year-old Kesselring has been limited to nine appearances through his first season in Buffalo. Acquired along with Josh Doan from the Mammoth for JJ Peterka last summer, he began the season on IR with an undisclosed issue. He made his season debut on Oct. 28 but exited the lineup again less than a month later.

When dressed, he hasn’t been much of a factor in his small sample. Initially expected to be a top-four piece and comprise the second pairing with either Bowen Byram or Owen Power on his left flank, he went without a point and had a -3 rating while averaging a conservative 15:37 of ice time per game. He was most often paired with Byram, a duo that controlled a team-worst 36.4% of expected goals at 5-on-5.

As such, it wouldn’t be surprising to see Ruff go for a new look and pair Kesselring with Power instead for a stretch. He’s unlikely to break up the team’s top pair of lefties Rasmus Dahlin and Mattias Samuelsson, the latter of whom has finally emerged as a premier shutdown threat after a rocky first few seasons on the anticipatory seven-year extension he signed back in 2022.

A strong performance the rest of the way is also imperative for Kesselring’s financial situation. He’s a pending restricted free agent with arbitration rights coming off a deal carrying a $1.4MM cap hit. Entering the season, he could have nearly quadrupled that figure after back-to-back 20-point campaigns with Utah and Arizona while posting some of the best 5-on-5 possession metrics on the team. His injury troubles have undoubtedly lowered his stock, but there’s still time to get it back.

Filed Under: Sabres

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