| Ratings | ||
|---|---|---|
| Rank | 1 | |
| Conf | Big Ten | |
| W-L | 15-0 | |
| Off | 90 | |
| Def | 121 | |

| Date | Opponent | Expected | Outcome | Location | Record |
|---|---|---|---|---|---|
| Sat Sep 28 |
Northwestern
|
W by 23.5 | W 24-15 | Home | 4-0 |
| Sat Sep 21 |
Michigan 11
|
W by 3 | W 35-14 | Home | 3-0 |
| Sat Sep 7 |
Central Michigan
|
W by 35 | W 61-0 | Home | 2-0 |
| Fri Aug 30 |
South Florida
|
W by 10 | W 49-0 | Away | 1-0 |
| Thu Dec 27 |
Miami
|
L by 2.5 | W 35-3 | Neutral | 8-5 |
| Sat Nov 24 |
Minnesota
|
W by 12.5 | L 37-15 | Home | 7-5 |
| Sat Nov 17 |
Purdue
|
L by 3.5 | W 47-44 | Away | 7-4 |
| Sat Nov 10 |
Penn State 20
|
L by 7.5 | L 22-10 | Away | 6-4 |
| Sat Nov 3 |
Rutgers
|
W by 28.5 | W 31-17 | Home | 6-3 |
| Sat Oct 27 |
Northwestern
|
W by 5 | L 31-17 | Away | 5-3 |
| Sat Oct 20 |
Illinois
|
W by 24 | W 49-20 | Home | 5-2 |
| Sat Oct 13 |
Michigan 12
|
L by 9.5 | L 38-13 | Away | 4-2 |
| Sat Oct 6 |
Nebraska
|
W by 18 | W 41-24 | Home | 4-1 |
| Sat Sep 22 |
Iowa
|
W by 3.5 | W 28-17 | Away | 3-1 |
| Sat Sep 15 |
BYU
|
W by 23.5 | L 24-21 | Home | 2-1 |
| Sat Sep 8 |
New Mexico
|
W by 35 | W 45-14 | Home | 2-0 |
| Fri Aug 31 |
Western Kentucky
|
W by 36 | W 34-3 | Home | 1-0 |
| Sat Dec 30 |
Miami 10
|
W by 6.5 | W 34-24 | Away | 13-1 |
| Sat Dec 2 |
Ohio State 8
|
L by 3.5 | L 27-21 | Neutral | 12-1 |
| Sat Nov 25 |
Minnesota
|
W by 19.5 | W 31-0 | Away | 12-0 |