Bengals rookie quarterback Joe Burrow was carted off the field in the third quarter of Sunday's game vs. Washington.
The team quickly declared him out of the contest with a left knee injury.
Burrow appeared to suffer the injury on a deep pass attempt with 11:41 to go in the third quarter when he was tackled hard in the pocket.
Burrow, the No. 1 pick in the 2020 NFL draft, was 22-of-34 for 203 yards and one score on Sunday before leaving the game.
Entering Sunday, Burrow had thrown for 2,485 yards, 12 touchdowns and five interceptions.