Marchessault, 25, was injured during the Panthers' 2-0 loss at the Ottawa Senators on Saturday, when he played 13:09 and was had one shot on goal. He leads the Panthers with 10 goals and 19 points in 25 games this season, his first in Florida after signing a two-year, $1.5 million contract July 1.
Marchessault has 18 goals and 38 points in 74 NHL games with the Panthers, Tampa Bay Lightning and Columbus Blue Jackets.
Forward Paul Thompson was recalled from Springfield of the American Hockey League on Sunday.
