Carolina Panthers quarterback Sam Darnold is day-to-day with a shoulder injury after having undergone an MRI, according to NFL Network's Ian Rapoport.
His availability for Sunday's matchup with the Arizona Cardinals remains up in the air.
The 24-year-old was forced to exit the Week 8 game against the Atlanta Falcons in the fourth quarter after taking a hit to the head. He was ruled out due to a concussion.
Prior to leaving the game, Darnold completed 13-of-24 passes for 129 yards and added 66 rushing yards on eight carries.
The USC product was replaced by backup quarterback P.