Markstrom (upper body) will be activated from injured reserve ahead of his return to the crease in Monday's home matchup against Detroit, Doug Plagens of the Panthers Radio Network reports.
Markstrom missed five games after suffering an upper-body injury during a team practice. He has a 3-1-1 record, one shutout, a 2.21 GAA and an .897 save percentage in six outings this season. Detroit (6-5-3) is tied for 23rd in the league with 2.79 goals per game this campaign.