McCown was injured after taking a few big hits in the fourth quarter of the Browns’ 33–27 loss to the Baltimore Ravens on Monday night. He attempted to remain in the game, but left midway through the final quarter and did not return.
Coach Mike Pettine said after the game that he did not know whether the X-rays McCown underwent revealed a break, according to ESPN.
On Tuesday, Pettine did not indicate who his starting quarterback will be for the remainder of the season with McCown out.
Johnny Manziel was demoted to third-string quarterback last week, a week after Pettine declared him the starter for the rest of the season. Manziel was benched after he lied to the team about a video of him partying.
Austin Davis replaced McCown in Monday’s game, which was his first of the season. He completed seven of 10 passes for 77 yards and one touchdown. Davis made eight starts for the St. Louis Rams last season and completed 63.4% of his passes for 2,001 yards and 12 touchdowns.
The Browns (2–9) play the Cincinnati Bengals (9–2) on Sunday.
- Erin Flynn