| Regular Season: Week 1 |
 Cardinals |
at |
 Eagles |
Sunday, September 16, 1973 |
3:00PM |
STL 34, PHI 23 |
| Regular Season: Week 2 |
 Redskins |
at |
Cardinals |
Sunday, September 23, 1973 |
3:00PM |
WAS 27, STL 34 |
| Regular Season: Week 3 |
Cardinals |
at |
 Cowboys |
Sunday, September 30, 1973 |
3:00PM |
STL 10, DAL 45 |
| Regular Season: Week 4 |
 Raiders |
at |
Cardinals |
Sunday, October 7, 1973 |
3:00PM |
OAK 17, STL 10 |
| Regular Season: Week 5 |
Eagles |
at |
Cardinals |
Sunday, October 14, 1973 |
3:00PM |
PHI 27, STL 24 |
| Regular Season: Week 6 |
Cardinals |
at |
Redskins |
Sunday, October 21, 1973 |
3:00PM |
STL 13, WAS 31 |
| Regular Season: Week 7 |
 Giants |
at |
Cardinals |
Sunday, October 28, 1973 |
2:00PM |
NYG 27, STL 35 |
| Regular Season: Week 8 |
 Broncos |
at |
Cardinals |
Sunday, November 4, 1973 |
3:00PM |
DEN 17, STL 17 |
| Regular Season: Week 9 |
Cardinals |
at |
 Packers |
Sunday, November 11, 1973 |
3:00PM |
STL 21, GB 25 |
| Regular Season: Week 10 |
Cardinals |
at |
Giants |
Sunday, November 18, 1973 |
3:00PM |
STL 13, NYG 24 |
| Regular Season: Week 11 |
Cardinals |
at |
 Bengals |
Sunday, November 25, 1973 |
3:00PM |
STL 24, CIN 42 |
| Regular Season: Week 12 |
 Lions |
at |
Cardinals |
Sunday, December 2, 1973 |
3:00PM |
DET 20, STL 16 |
| Regular Season: Week 13 |
Cardinals |
at |
 Falcons |
Sunday, December 9, 1973 |
3:00PM |
STL 32, ATL 10 |
| Regular Season: Week 14 |
Cowboys |
at |
Cardinals |
Sunday, December 16, 1973 |
3:00PM |
DAL 30, STL 3 |