Jackson has completed seven passes for 87 yards this season.
Lamar Jackson will start for the Ravens on Sunday, per the NFL Network's Ian Rapoport, making his first NFL start. Veteran quarterback Joe Flacco was declared inactive by the team on Sunday morning as he battles an injured hip. Flacco is not expected to have surgery, per the NFL Network's Tom Pelissero.
Jackson missed practice Thursday due to an illness but returned Friday. The rookie has completed 7-of-12 passes for 87 yards and one touchdown this year. Jackson has also rushed for 139 yards and one score on 28 carries.
Robert Griffin III could also see time Sunday, but has not played in a game since 2016.
The Ravens host the Bengals Sunday at M&T Bank Stadium. Kickoff is slated for 1:00 p.m. ET on CBS.