| Ratings | ||
|---|---|---|
| Rank | 1 | |
| Conf | Big Ten | |
| W-L | 15-0 | |
| Off | 103 | |
| Def | 94 | |

| Date | Opponent | Expected | Outcome | Location | Record |
|---|---|---|---|---|---|
| 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 |
| Sat Nov 18 |
Michigan 24
|
W by 6.5 | W 24-10 | Home | 11-0 |
| Sat Nov 11 |
Iowa 20
|
W by 12 | W 38-14 | Home | 10-0 |
| Sat Nov 4 |
Indiana
|
W by 10.5 | W 45-17 | Away | 9-0 |
| Sat Oct 28 |
Illinois
|
W by 27 | W 24-10 | Away | 8-0 |
| Sat Oct 21 |
Maryland
|
W by 23.5 | W 38-13 | Home | 7-0 |
| Sat Oct 14 |
Purdue
|
W by 17 | W 17-9 | Home | 6-0 |
| Sat Oct 7 |
Nebraska
|
W by 12.5 | W 38-17 | Away | 5-0 |
| Sat Sep 30 |
Northwestern
|
W by 16.5 | W 33-24 | Home | 4-0 |
| Sat Sep 16 |
BYU
|
W by 14.5 | W 40-6 | Away | 3-0 |
| Sat Sep 9 |
Florida Atlantic
|
W by 34.5 | W 31-14 | Home | 2-0 |
| Fri Sep 1 |
Utah State
|
W by 27.5 | W 59-10 | Home | 1-0 |
| Sat Dec 3 |
Penn State 7
|
n/a | L 38-31 | Neutral | 10-3 |
| Sat Nov 26 |
Minnesota
|
W by 14 | W 31-17 | Home | 10-2 |
| Sat Nov 19 |
Purdue
|
W by 27.5 | W 49-20 | Away | 9-2 |
| Sat Nov 12 |
Illinois
|
W by 24 | W 48-3 | Home | 8-2 |