McCarron fumbled the snap on the play, which resulted in a turnover and the Broncos’ 20–17 win. As he dove to attempt to recover the ball, he sustained the injury.
There is still a chance McCarron plays in Week 17, according to the report.
Heading into the playoffs with both of their quarterbacks injured would be a blow to the Bengals, who have already clinched the AFC North. McCarron was tabbed to start the first two games of his two-year career after starting quarterback Andy Dalton broke his thumb in Week 14. Dalton is considered week-to-week but is not expected back before the playoffs.
In two starts, McCarron has completed 67.4% of his passes for 694 yards and four touchdowns with two interceptions.
The Bengals (11–4) will play their season finale against the Baltimore Ravens (5–10) on Sunday.
- Erin Flynn