Conner was forced out of Sunday's game against the Seahawks with a knee issue, Brooke Pryor of ESPN.com reports.
Prior to his exit from Sunday's contest, Conner had logged 11 carries for 33 yards and a TD to go along with three catches for 12 yards. Next up for the Steelers carries in Conner's absence are Jaylen Samuels and Benny Snell.