Blackshear (shoulder) was a full participant during Thursday's practice session.
Blackshear suffered a dislocated shoulder in Sunday's loss to the Commanders, Joe Person of The Athletic reports.
Blackshear left Sunday's game against the Commanders due to a shoulder injury and is doubtful to return, David Newton of ESPN.com reports.
Blackshear returned three kickoffs for 81 yards and one punt for 13 yards during Sunday's 26-3 loss to the Chargers.
Blackshear (personal) is active for Sunday's game against the Chargers, Darin Gantt of the Panthers' official site reports.
Blackshear (personal) is listed as questionable ahead of Sunday's game against the Chargers.
Blackshear is set to serve as the Panthers' top kick and punt returner after the team parted ways with Ihmir Smith-Marsette on Wednesday, Steve Reed of the Associated Press reports.
Blackshear signed his contract tender with the Panthers on Thursday, Anthony Rizzuti of USA Today reports.
The Panthers tendered a contract to Blackshear on Monday.
Blackshear finished the regular season with 14 rushes for 46 yards and six catches on seven targets for 45 yards in 12 games. He also returned 16 kickoffs for 430 yards.