Doan Mrtka

The Buffalo Sabres’ defensive depth will be tested right out of the gates this season as Mattias Samuelsson and Olen Zellweger face uncertain absences.

Samuelsson, after blocking a shot in Tuesday’s preseason win, is considered week to week with a lower-body injury, while the offseason pickup Zellweger landed in concussion protocol from a big hit. Zellweger said he already felt better in the morning, per coach Lindy Ruff, but it’s possible both guys are unavailable for Oct. 1 in Columbus.

“You want to be a good team, you’re going to have to deal with some adversity, and maybe we’re going to have to deal with some adversity right off the bat,” Ruff said. “… It’s an opportunity for somebody to step up and give us some good minutes and get a little bit of added time that maybe they wouldn’t get normally.”

Wednesday’s practice at KeyBank Center included Ryan Johnson and Radim Mrtka, who’d been with the AHL group to start camp. They formed a fourth pair – Ruff prefers at least eight defensemen at practice – while the top six was rearranged a bit: Louis Crevier in Samuelsson’s spot, Conor Timmins in Zellweger’s. Dennis Gilbert and Zach Metsa remained together.

Practice

Those top six could be the Game 1 group, barring further injuries, but the competition may be on for the last roster spot:

  • Johnson, a left shot, has played 47 NHL games in his career, including three to start last season.
  • The right-shot Mrtka, Buffalo’s 2025 first-round pick, made an 11-game pro debut with the Rochester Americans last year and “has had a good camp,” Ruff feels.
  • Ruff also mentioned 22-year-old righty Vsevolod Komarov as another option “kind of on that threshold of playing.” Komarov has been a full-time Amerk the last two seasons, totaling 29 points (6+23) in 124 games.

While the situation isn’t ideal, the Sabres are confident they have enough options to get through the first weeks of the season.

Here’s more from Wednesday’s skate.

Lindy Ruff - Sept. 23, 2026

Catching up with Josh Doan

Forward Josh Doan is gearing up for his second Sabres season after a 2025-26 breakout: 25 goals, 27 assists, zero games missed, stellar defensive play and, in January, a seven-year contract extension. The 24-year-old is expected to be a staple on the top power play and hopes to become a penalty killer, too.

Doan, who split his summer across Arizona, British Columbia and Buffalo, caught up with Sabres.com to discuss his offseason, life as a new homeowner, the shortened preseason, special teams and more.

How has your contract changed life outside the rink?

“Just settling down, finally getting a house. I think that’s always a big step in life, buying a house and being able to leave your stuff when you come and go, instead of having to pack 800 bags and go home for the summer."

Anything surprise you about the house-buying process?

“A lot of it. The amount of paperwork you’ve got to go through. The timing of everything. How many different processes you have to go through to get the final steps done. But at the same time, it was a pretty easy and swift transaction.”

Did last year’s stretch run and playoffs change your day-to-day approach to hockey, even to start a season?

“I think just the competitive level, how much more you can give at certain moments of a game. … Defending leads is different now. I think that was something we learned as a group: how to manage the puck a little bit better, how to be a little bit more solid in our 200-foot game, rather than just jumping up and giving up odd-man rushes.

“[We learned] how important games have to be played and how you can play those games every night rather than just a couple times a year. I think throughout the year, you’ll definitely start to see us just mature as a unit in those games.”

Does the shortened preseason (Doan’s limited to 2 games) change your approach at all?

“My first year, I think I played seven. … You feel like you’re already in midseason form body-wise, taking hits and stuff like that through seven preseason games. So, I think the two does a good job of allowing you to get your feet wet in the first game and then fine-tune some little things in Game 2. And by the end of Game 2, you’re ready to go.”

Do you set goals for yourself – points, goals, whatever – entering a season?

“There’s going to be stretches where you’re hot and you’re not, and I think when you ask for numbers and put that kind of pressure on yourself, it’s hard. So, my approach is always the same: be the best 200-foot player than I can be.”

Assistant coach Seth Appert discussed his offseason power-play research. What’s your early take on the new approach?

“We’ve got to find ways to create a little bit more havoc around the net front. But at the same time, I think we had really good movement throughout the year 5-on-5, and our numbers analytically in that side of the game were really, really strong, so we want to take our strength from 5-on-5 and apply it to the power play and see what we can do.

“At the end of the day, it’s [four] goals through 82 games that separates 19th from 10th in power-play numbers, so it’s just about capitalizing on those little opportunities.”

Josh Doan - Sept. 23, 2026

Up next

The Sabres play their third of four preseason games Thursday at 7 p.m. in Detroit. Tune into MSG in the Buffalo market or listen to Dan Dunleavy and Rob Ray's call on WGR 550, and stay tuned to Sabres.com for the game-night roster.