The Browns blew a 28-14 second half lead in their 45-42 overtime loss to the Raiders in Oakland.
Baker Mayfield completed 21-of-41 passes for 295 yards and four turnovers in his first-career start.
Nick Chubb had three carries for a 105 yards and two TDs.
The rookie running back hit pay dirt from 63-and-41 yards out.
Cleveland is 1-2-1.