Malgin will join Jonathan Huberdeau and Vincent Trocheck on the second line for Saturday's game against the Canucks.
Malgin notched 11 goals and 11 helpers in 51 games during the 2017-18 campaign.
Malgin is "dinged up" and won't play Saturday afternoon against the Bruins, Steve Goldstein of Fox Sports Florida reports.
Malgin failed to put a shot on net and finished with a minus-1 rating in Monday's contest against Ottawa.
Malgin (undisclosed), as expected, will be back in action against the Senators on Monday, Jameson Olive of the Panthers' official site reports.
Malgin is expected to be out for weeks with his undisclosed injury, Matthew DeFranks of the South Florida Sun Sentinel reports.
Malgin (undisclosed) is day-to-day and will be reevaluated Sunday, Matthew DeFranks of the South Florida Sun Sentinel reports.
Malgin scored twice during Thursday's 4-2 loss to Washington.
Malgin (concussion) is expected to be in the lineup for Thursday's game against Colorado.
Malgin passed concussion tests Wednesday and will be in the lineup Thursday to play Colorado if he's feeling well enough, Steve Goldstein of Fox Sports Florida reports.