| Rk | Day | Date | Tm | Opp | Tm | Opp | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 | Sun | September 11, 1966 | W | Cleveland Browns | @ | Washington Redskins | 38 | 14 | box |
| 2 | Sun | September 18, 1966 | L | Cleveland Browns | Green Bay Packers | 20 | 21 | box | |
| 3 | Sun | September 25, 1966 | L | Cleveland Browns | St. Louis Cardinals | 28 | 34 | box | |
| 4 | Sun | October 2, 1966 | W | Cleveland Browns | @ | New York Giants | 28 | 7 | box |
| 5 | Sat | October 8, 1966 | W | Cleveland Browns | Pittsburgh Steelers | 41 | 10 | box | |
| 6 | Sun | October 23, 1966 | W | Cleveland Browns | Dallas Cowboys | 30 | 21 | box | |
| 7 | Sun | October 30, 1966 | W | Cleveland Browns | @ | Atlanta Falcons | 49 | 17 | box |
| 8 | Sun | November 6, 1966 | L | Cleveland Browns | @ | Pittsburgh Steelers | 6 | 16 | box |
| 9 | Sun | November 13, 1966 | W | Cleveland Browns | Philadelphia Eagles | 27 | 7 | box | |
| 10 | Sun | November 20, 1966 | W | Cleveland Browns | Washington Redskins | 14 | 3 | box | |
| 11 | Thu | November 24, 1966 | L | Cleveland Browns | @ | Dallas Cowboys | 14 | 26 | box |
| 12 | Sun | December 4, 1966 | W | Cleveland Browns | New York Giants | 49 | 40 | box | |
| 13 | Sun | December 11, 1966 | L | Cleveland Browns | @ | Philadelphia Eagles | 21 | 33 | box |
| 14 | Sat | December 17, 1966 | W | Cleveland Browns | @ | St. Louis Cardinals | 38 | 10 | box |