| # Of Times Played | Opponent | % Correct |
|---|---|---|
| 63 | Iowa State | 94%
|
| 59 | Michigan | 93%
|
| 64 | Ohio State | 91%
|
| 46 | Michigan State | 89%
|
| 46 | Nebraska | 89%
|
| 71 | Illinois | 85%
|
| 109 | Minnesota | 84%
|
| 25 | Penn State | 82%
|
| 76 | Indiana | 80%
|
| 89 | Wisconsin | 80%
|
| 2 | Maryland | 78%
|
| 86 | Purdue | 78%
|
| 77 | Northwestern | 77%
|
| 2 | Texas | 77%
|
| 9 | USC | 76%
|
| 3 | Florida | 75%
|
| 3 | Oregon | 73%
|
| 6 | Washington | 73%
|
| 9 | UCLA | 70%
|
| 2 | LSU | 69%
|
| 13 | Missouri | 69%
|
| 2 | Oklahoma | 69%
|
| 10 | Kansas | 67%
|
| 13 | Arizona | 65%
|
| 2 | Colorado | 65%
|
| 4 | Miami (FL) | 65%
|
| 3 | Miami (Ohio) | 65%
|
| 2 | Texas Tech | 65%
|
| 4 | Washington State | 65%
|
| 2 | Oklahoma State | 64%
|
| 12 | Oregon State | 64%
|
| 3 | Arizona State | 63%
|
| 6 | Kansas State | 63%
|
| 1 | Stanford | 62%
|
| 3 | Tennessee | 62%
|
| 24 | Notre Dame | 61%
|
| 1 | Utah | 61%
|
| 1 | Arkansas | 60%
|
| 1 | North Dakota | 60%
|
| 7 | Pittsburgh | 58%
|
| 1 | Texas A&M | 58%
|
| 2 | Wyoming | 56%
|
| 8 | South Dakota | 55%
|
| 1 | BYU | 54%
|
| 1 | Georgia Tech | 54%
|
| 1 | South Carolina | 53%
|
| 2 | North Dakota State | 51%
|
| 4 | California | 50%
|
| 3 | TCU | 50%
|
| 2 | Utah State | 50%
|
| 3 | Western Michigan | 50%
|
| 9 | Northern Illinois | 49%
|
| 4 | Syracuse | 48%
|
| 1 | Akron | 47%
|
| 1 | Air Force | 46%
|
| 3 | Central Michigan | 46%
|
| 1 | San Diego State | 44%
|
| 3 | Ball State | 43%
|
| 15 | Drake | 42%
|
| 4 | Hawaii | 42%
|
| 1 | New Mexico State | 42%
|
| 1 | Idaho | 41%
|
| 2 | Montana | 41%
|
| 1 | Arkansas State | 40%
|
| 17 | Noorthern Iowa | 40%
|
| 1 | North Texas | 39%
|
| 4 | Tulsa | 36%
|
| 2 | Kent State | 35%
|
| 1 | Cincinnati | 34%
|
| 1 | Illinois State | 34%
|
| 1 | UTEP | 34%
|
| 1 | Buffalo | 33%
|
| 1 | Temple | 33%
|
| 1 | Yale | 31%
|
| 1 | Missouri State | 27%
|
| 1 | Maine | 25%
|
| 1 | Florida International | 24%
|
| 14 | Chicago | 23%
|
| 3 | NC State | 21%
|
| 1 | Eastern Illinois | 19%
|
| 14 | Cornell | 16%
|
| 1 | Butler | 14%
|
| 2 | Marquette | 14%
|
| 3 | St. Louis | 12%
|
| 1 | Denver | 11%
|
| 1 | Detroit | 11%
|
| 9 | Coe | 10%
|
| 1 | Tennessee Tech | 10%
|
| 1 | Luther | 8%
|
| 4 | Simpson | 8%
|
| 5 | Bradley | 7%
|
| 2 | Upper Iowa | 7%
|
| 17 | Grinnell | 6%
|
| 1 | Northern Colorado | 6%
|
| 1 | Boston U | 5%
|
| 2 | Colgate | 5%
|
| 1 | Des Moines | 5%
|
| 2 | Iowa Pre Flight | 5%
|
| 4 | Morningside | 5%
|
| 1 | Iowa Wesleyan | 4%
|
| 2 | George Washington | 3%
|
| 4 | Great Lakes | 3%
|
| 7 | Knox | 3%
|
| 1 | UL Monroe | 3%
|
| 2 | William Penn | 3%
|
| 2 | Augustana | 2%
|
| 2 | Wabash | 2%
|
| 1 | Camp Dodge | 1%
|
| 1 | Camp Grant | 1%
|
| 1 | Carleton | 1%
|
| 2 | Carroll | 1%
|
| 1 | Centenary | 1%
|
| 1 | Doane | 1%
|
| 1 | Lawrence | 1%
|
| 4 | Monmouth | 1%
|
| 1 | Parsons | 1%
|
| 1 | Ripon | 1%
|
| 2 | Wilton | 1%
|
| 1 | Bergstrom | 0%
|
| 2 | Iowa Alumni | 0%
|
| 2 | Rush Medical | 0%
|
| 1 | Southeastern Oklahoma State | 0%
|