The Army Black Knights were 4-7 in 1991.
| GP | PTS | YDS | PLY | AVG | RUSH YDS | RUSH ATT | RUSH AVG | PASS YDS | PASS ATT | PASS AVG | SCK | SCKY | 1DWN | RUSH 1DWN | PASS 1DWN | PEN 1DWN | PEN | PEN YDS | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Team | 11 | 196 | 3,622 | 766 | 4.7 | 3,222 | 701 | 4.6 | 400 | 65 | 6.2 | ||||||||
Team Rank | 79th | 69th | 64th | 70th | 6th | 2nd | 15th | 107th | 107th | 82nd | |||||||||
Opponent | 11 | 226 | 3,581 | 4.9 | 2,045 | 513 | 4.0 | 1,536 | 212 | 7.2 | |||||||||
Opponent Rank | 44th | 39th | 48th | 69th | 79th | 65th | 7th | 3rd | 70th | ||||||||||
Net | -30 | +41 | +766 | -0.2 | +1,177 | +188 | +0.6 | -1,136 | -147 | -1.1 | |||||||||
Net Rank | 64th | 56th | 64th | 63rd | 17th | 7th | 36th | 100th | 103rd | 86th |
| Big 10 | W | L | PCT | |
|---|---|---|---|---|
| 1 | 11 | 0 | 1.000 | |
| 2 | 11 | 0 | 1.000 |
| Independent | W | L | PCT | |
|---|---|---|---|---|
| 1 | 9 | 2 | .818 | |
| 2 | 9 | 3 | .750 |
| Pac-12 | W | L | PCT | |
|---|---|---|---|---|
| 1 | 2 | 9 | .182 | |
| 2 | 5 | 6 | .455 |
| Mountain West | W | L | PCT | |
|---|---|---|---|---|
| 1 | 9 | 2 | .818 | |
| 2 | 7 | 4 | .636 |
| Big 12 | W | L | PCT | |
|---|---|---|---|---|
| 1 | 10 | 1 | .909 | |
| 2 | 10 | 1 | .909 |
| American Athletic | W | L | PCT | |
|---|---|---|---|---|
| 1 | 9 | 2 | .818 | |
| 2 | 10 | 1 | .909 |
| Mid-American | W | L | PCT | |
|---|---|---|---|---|
| 1 | 8 | 4 | .667 | |
| 2 | 7 | 4 | .636 |
| Conference USA | W | L | PCT | |
|---|---|---|---|---|
| 1 | 7 | 4 | .636 | |
| 2 | 8 | 3 | .727 |
| Sun Belt | W | L | PCT | |
|---|---|---|---|---|
| 1 | 10 | 1 | .909 | |
| 2 | 8 | 3 | .727 |