| Ratings | ||
|---|---|---|
| Rank | 1 | |
| Conf | Big Ten | |
| W-L | 15-0 | |
| Off | 118 | |
| Def | 106 | |

| Date | Opponent | Expected | Outcome | Location | Record |
|---|---|---|---|---|---|
| Sat Nov 29 |
Northwestern
|
W by 7 | W 20-13 | Home | 8-4 |
| Sat Nov 22 |
Wisconsin
|
W by 8.5 | L 27-10 | Away | 7-4 |
| Sat Nov 15 |
Maryland
|
W by 17 | W 24-6 | Home | 7-3 |
| Sat Nov 1 |
Rutgers
|
W by 13 | W 35-13 | Home | 6-3 |
| Sat Oct 25 |
Washington
|
L by 3 | L 42-25 | Away | 5-3 |
| Sat Oct 11 |
Ohio State 1
|
L by 14.5 | L 34-16 | Home | 5-2 |
| Sat Oct 4 |
Purdue
|
W by 7.5 | W 43-27 | Away | 5-1 |
| Sat Sep 27 |
USC 21
|
L by 7 | W 34-32 | Home | 4-1 |
| Sat Sep 20 |
Indiana 19
|
L by 7 | L 63-10 | Away | 3-1 |
| Sat Sep 13 |
Western Michigan
|
W by 27 | W 38-0 | Home | 3-0 |
| Sat Sep 6 |
Duke
|
W by 2.5 | W 45-19 | Away | 2-0 |
| Fri Aug 29 |
Western Illinois
|
W by 48 | W 52-3 | Home | 1-0 |
| Tue Dec 31 |
South Carolina 15
|
L by 9 | W 21-17 | Neutral | 10-3 |
| Sat Nov 30 |
Northwestern
|
W by 9 | W 38-28 | Neutral | 9-3 |
| Sat Nov 23 |
Rutgers
|
L by 2 | W 38-31 | Away | 8-3 |
| Sat Nov 16 |
Michigan State
|
W by 1.5 | W 38-16 | Home | 7-3 |
| Sat Nov 2 |
Minnesota
|
L by 2.5 | L 25-17 | Home | 6-3 |
| Sat Oct 26 |
Oregon 1
|
L by 22 | L 38-9 | Away | 6-2 |
| Sat Oct 19 |
Michigan 24
|
L by 5.5 | W 21-7 | Home | 6-1 |
| Sat Oct 12 |
Purdue
|
W by 22.5 | W 50-49 | Home | 5-1 |