Ullmark, who was in Vezina-caliber form before suffering an upper-body injury on Dec. 22 and is still week-to-week, had been key to Ottawa’s resurgence. Without him, the Senators’ playoff hopes are faltering.

Linus Ullmark has been lights out between the pipes for the Senators as of late, but he's now injured, and the team is struggling mightily.

Senators goaltender Linus Ullmark, who has not played since Dec. 22, is considered week-to-week with an upper body injury.

OTTAWA -- Linus Ullmark is week to week for the Ottawa Senators because of a lingering back injury, coach Travis Green said Sunday.

The Ottawa Senators are going to be without the services of goaltender Linus Ullmark for the foreseeable future. On Sunday, the Senators confirmed that Ullmark’s injury was much more serious than originally reported when they announced that Ullmark was now being considered week to week with what the team has described as an upper body