| Regular Season: Week 1 |
 Bengals |
at |
 Broncos |
Sunday, September 16, 1973 |
3:00PM |
CIN 10, DEN 28 |
| Regular Season: Week 2 |
 49ers |
at |
Broncos |
Sunday, September 23, 1973 |
3:00PM |
SF 36, DEN 34 |
| Regular Season: Week 3 |
 Bears |
at |
Broncos |
Sunday, September 30, 1973 |
3:00PM |
CHI 33, DEN 14 |
| Regular Season: Week 4 |
Broncos |
at |
 Chiefs |
Sunday, October 7, 1973 |
3:00PM |
DEN 14, KC 16 |
| Regular Season: Week 5 |
Broncos |
at |
 Oilers |
Sunday, October 14, 1973 |
3:00PM |
DEN 48, HOU 20 |
| Regular Season: Week 6 |
 Raiders |
at |
Broncos |
Monday, October 22, 1973 |
3:00PM |
OAK 23, DEN 23 |
| Regular Season: Week 7 |
Broncos |
at |
 Jets |
Sunday, October 28, 1973 |
2:00PM |
DEN 40, NYJ 28 |
| Regular Season: Week 8 |
Broncos |
at |
 Cardinals |
Sunday, November 4, 1973 |
3:00PM |
DEN 17, STL 17 |
| Regular Season: Week 9 |
 Chargers |
at |
Broncos |
Sunday, November 11, 1973 |
3:00PM |
SD 19, DEN 30 |
| Regular Season: Week 10 |
Broncos |
at |
 Steelers |
Sunday, November 18, 1973 |
3:00PM |
DEN 23, PIT 13 |
| Regular Season: Week 11 |
Chiefs |
at |
Broncos |
Sunday, November 25, 1973 |
3:00PM |
KC 10, DEN 14 |
| Regular Season: Week 12 |
 Cowboys |
at |
Broncos |
Sunday, December 2, 1973 |
3:00PM |
DAL 22, DEN 10 |
| Regular Season: Week 13 |
Broncos |
at |
Chargers |
Sunday, December 9, 1973 |
3:00PM |
DEN 42, SD 28 |
| Regular Season: Week 14 |
Broncos |
at |
Raiders |
Sunday, December 16, 1973 |
3:00PM |
DEN 17, OAK 21 |