Darnold is on track to start Sunday's game against the Bengals after teammate Brock Purdy entered concussion protocol
Darnold has taken 18 snaps and attempted one pass so far this season
Darnold started for Carolina over the final six weeks of last season, winning four games and completing 58.6 percent of his passes for 8.2 yards per attempt while accounting for nine touchdowns and five turnovers