The Louisiana Ragin' Cajuns were 2-8-1 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 | 148 | 3,197 | 738 | 4.3 | 2,149 | 531 | 4.0 | 1,048 | 207 | 5.1 | ||||||||
Team Rank | 96th | 91st | 80th | 89th | 29th | 23rd | 44th | 101st | 93rd | 102nd | |||||||||
Opponent | 11 | 269 | 3,539 | 4.6 | 1,892 | 516 | 3.7 | 1,647 | 251 | 6.6 | |||||||||
Opponent Rank | 67th | 29th | 28th | 60th | 83rd | 45th | 13th | 12th | 34th | ||||||||||
Net | -121 | -342 | +738 | -0.3 | +257 | +15 | +0.4 | -599 | -44 | -1.5 | |||||||||
Net Rank | 87th | 67th | 80th | 65th | 45th | 52nd | 44th | 88th | 73rd | 92nd |
| Mountain West | W | L | PCT | |
|---|---|---|---|---|
| 1 | 8 | 4 | .667 | |
| 2 | 9 | 3 | .750 |
| Big 10 | W | L | PCT | |
|---|---|---|---|---|
| 1 | 12 | 0 | 1.000 | |
| 2 | 12 | 0 | 1.000 |
| American Athletic | W | L | PCT | |
|---|---|---|---|---|
| 1 | 11 | 1 | .917 | |
| 2 | 10 | 2 | .833 |
| Independent | W | L | PCT | |
|---|---|---|---|---|
| 1 | 10 | 2 | .833 | |
| 2 | 9 | 3 | .750 |
| Big 12 | W | L | PCT | |
|---|---|---|---|---|
| 1 | 11 | 1 | .917 | |
| 2 | 11 | 1 | .917 |
| Pac-12 | W | L | PCT | |
|---|---|---|---|---|
| 1 | 6 | 6 | .500 | |
| 2 | 2 | 10 | .167 |
| Mid-American | W | L | PCT | |
|---|---|---|---|---|
| 1 | 8 | 4 | .667 | |
| 2 | 8 | 4 | .667 |
| Conference USA | W | L | PCT | |
|---|---|---|---|---|
| 1 | 8 | 4 | .667 | |
| 2 | 9 | 3 | .750 |