Berglund agreed to terms on a one-year deal with Swedish club Djurgardens IF on Tuesday.
The Sabres placed Berglund (suspension) on unconditional waivers Wednesday with the intention of terminating his deal.
Berglund (illness) is facing an indefinite suspension from the NHL for failing to report to the Sabres.
Berglund is under the weather and won't suit up versus Los Angeles on Tuesday, Paul Hamilton of WGR Sports Radio 550 reports.
Berglund (upper body) was taken off injured reserve ahead of Friday's matchup with Florida, Paul Hamilton of WGR Sports Radio 550 reports.
Berglund (upper body) was designated for injured reserve, per the NHL media site.
Berglund will not be in the lineup against the Flyers on Wednesday due to an upper-body issue.
Berglund returns to the ice for Friday's game in Winnipeg.
Berglund sat in the press box during Tuesday's contest against Tampa Bay.
Berglund (undisclosed) is out for Thursday's game against the Sharks, Mike Harrington of TBN Sports reports.