They were also the last two time defending champion to not score more than 30 points in a game until the 2024 Kansas City Chiefs.
The post Otto Graham era begins with a 9-7 loss to the Cardinals in Chicago.
Cleveland's only score comes on a 46-yard touchdown pass from George Ratterman to Ray Renfro in the first quarter.
But Pat Summerall's third field goal, a nine-yarder with 29 seconds remaining, won it for the Cardinals and broke a twelve-game losing streak to the Browns.
[3] The Cardinals later won the season finale.