| Regular Season: Week 1 |
 Colts |
at |
 Browns |
Sunday, September 16, 1973 |
3:00PM |
BAL 14, CLE 24 |
| Regular Season: Week 2 |
Browns |
at |
 Steelers |
Sunday, September 23, 1973 |
3:00PM |
CLE 6, PIT 33 |
| Regular Season: Week 3 |
 Giants |
at |
Browns |
Sunday, September 30, 1973 |
3:00PM |
NYG 10, CLE 12 |
| Regular Season: Week 4 |
 Bengals |
at |
Browns |
Sunday, October 7, 1973 |
3:00PM |
CIN 10, CLE 17 |
| Regular Season: Week 5 |
 Dolphins |
at |
Browns |
Monday, October 15, 1973 |
3:00PM |
MIA 17, CLE 9 |
| Regular Season: Week 6 |
 Oilers |
at |
Browns |
Sunday, October 21, 1973 |
3:00PM |
HOU 13, CLE 42 |
| Regular Season: Week 7 |
 Chargers |
at |
Browns |
Sunday, October 28, 1973 |
2:00PM |
SD 16, CLE 16 |
| Regular Season: Week 8 |
Browns |
at |
 Vikings |
Sunday, November 4, 1973 |
3:00PM |
CLE 3, MIN 26 |
| Regular Season: Week 9 |
Browns |
at |
Oilers |
Sunday, November 11, 1973 |
3:00PM |
CLE 23, HOU 13 |
| Regular Season: Week 10 |
Browns |
at |
 Raiders |
Sunday, November 18, 1973 |
3:00PM |
CLE 7, OAK 3 |
| Regular Season: Week 11 |
Steelers |
at |
Browns |
Sunday, November 25, 1973 |
3:00PM |
PIT 16, CLE 21 |
| Regular Season: Week 12 |
Browns |
at |
 Chiefs |
Sunday, December 2, 1973 |
3:00PM |
CLE 20, KC 20 |
| Regular Season: Week 13 |
Browns |
at |
Bengals |
Sunday, December 9, 1973 |
3:00PM |
CLE 17, CIN 34 |
| Regular Season: Week 14 |
Browns |
at |
 Rams |
Sunday, December 16, 1973 |
3:00PM |
CLE 17, LA 30 |