It's unclear when Dahlin picked up the upper-body injury, but he was not present for Sunday's practice. Consider him questionable for Monday's game in Toronto.

Dahlin was already not expected to be available for Saturday's game, so moving him to IR opens up a roster spot for Riley Stillman to be added to the active roster.

Dahlin missed the Sabres' previous two games due to an undisclosed injury and will miss Thursday as well as he is still considered out day-to-day. The 22-year-old has been enjoying a true breakout campaign, with 14 goals, 48 assists, 161 SOG, 72 PIMs and a +23 plus/minus through 56 games played prior to his injury.

Dahlin missed the Sabres' previous game due to an undisclosed injury and will miss Tuesday as well as he is still considered out day-to-day. The 22-year-old has been enjoying a true breakout campaign, with 14 goals, 48 assists, 161 SOG, 72 PIMs and a +23 plus/minus through 56 games played prior to his injury.

Dahlin missed the Sabres' previous game due to an upper-body injury as Buffalo fell to Tampa Bay 5-3 in his absence. The 22-year-old has been enjoying a breakout season, ranking second in the NHL among defensemen in goals (7) and points (15) while alost being tied for fourth with a +10 plus/minus rating.

Dahlin missed Buffalo's previous game due to an upper-body injury and has a chance to draw back into the Sabres' lineup Tuesday. The fewer games he misses the better as Dahlin is having an incredible breakout season, ranking second among NHL defensemen in both goals (7) and points (15).

Dahlin missed Sunday's game in Columbus but was back on the ice for Tuesday's practice and is expected to be in the lineup in Montreal. Dahlin enters play on a five-game point streak, scoring one goal with four assists.

Dahlin will come out of the lineup on Sunday, so look for Robert Hagg to draw into the lineup to replace him. Henri Jokiharju should take over on PP1 with Dahlin sidelined.

Dahlin was back on the ice for Sunday's practice and is expected to play Monday vs. the Islanders. Dahlin being activated is huge for the Sabres' blueline, who could be without Jake McCabe, Brandon Montour and Rasmus Ristolainen, who all remain on the list.

Dahlin missed the last two games with an upper-body injury but will play tonight in New York. Dahlin has posted nine points (1G / 8A) in his last 10 games.

Dahlin will miss his second straight game with an upper-body injury and remains day-to-day. He has not been ruled out for tomorrow's game in New York.

The Sabres will be without their top defenseman when they host the Avalanche on Tuesday night. Zach Bogosian is expected to draw into the lineup to replace Dahlin and Colin Miller could see more power-play time.

Dahlin has missed the last eight games with a concussion that he suffered on November 25th but could play Thursday vs. the Predators. Dahlin skated on the top-pair and top power-play unit in Wednesday's practice but head coach Ralph Kruger would not commit to him playing tonight.