| Ratings | ||
|---|---|---|
| Rank | 1 | |
| Conf | Big Ten | |
| W-L | 15-0 | |
| Off | 40 | |
| Def | 31 | |

| Date | Opponent | Expected | Outcome | Location | Record |
|---|---|---|---|---|---|
| Sat Oct 12 |
Wisconsin 8
|
L by 8 | L 38-0 | Away | 4-3 |
| Sat Oct 5 |
Ohio State 4
|
L by 20 | L 34-10 | Away | 4-2 |
| Sat Sep 28 |
Indiana
|
W by 14 | W 40-31 | Home | 4-1 |
| Sat Sep 21 |
Northwestern
|
W by 8 | W 31-10 | Away | 3-1 |
| Sat Sep 14 |
Arizona State
|
W by 15.5 | L 10-7 | Home | 2-1 |
| Sat Sep 7 |
Western Michigan
|
W by 15 | W 51-17 | Home | 2-0 |
| Fri Aug 30 |
Tulsa
|
W by 23.5 | W 28-7 | Home | 1-0 |
| Mon Dec 31 |
Oregon
|
W by 1.5 | L 7-6 | Neutral | 7-6 |
| Sat Nov 24 |
Rutgers
|
W by 24.5 | W 14-10 | Home | 7-5 |
| Sat Nov 17 |
Nebraska
|
L by 1 | L 9-6 | Away | 6-5 |
| Sat Nov 10 |
Ohio State 10
|
L by 3.5 | L 26-6 | Home | 6-4 |
| Sat Nov 3 |
Maryland
|
W by 4 | W 24-3 | Away | 6-3 |
| Sat Oct 27 |
Purdue
|
L by 2.5 | W 23-13 | Home | 5-3 |
| Sat Oct 20 |
Michigan 6
|
L by 7 | L 21-7 | Home | 4-3 |
| Sat Oct 13 |
Penn State 8
|
L by 13.5 | W 21-17 | Away | 4-2 |
| Sat Oct 6 |
Northwestern
|
W by 10 | L 29-19 | Home | 3-2 |
| Sat Sep 29 |
Central Michigan
|
n/a | W 31-20 | Home | 3-1 |
| Sat Sep 22 |
Indiana
|
W by 5 | W 35-21 | Away | 2-1 |
| Sat Sep 8 |
Arizona State
|
W by 4.5 | L 16-13 | Away | 1-1 |
| Fri Aug 31 |
Utah State
|
W by 23.5 | W 38-31 | Home | 1-0 |