| Oct 25, 1986 | Air Force 22, San Diego State 10 | Box score |
| Oct 25, 1986 | 15Arizona 33, California 16 | Box score |
| Oct 25, 1986 | 9Arizona State 52, Utah 7 | Box score |
| Oct 25, 1986 | 14Arkansas 30, Houston 13 | Box score |
| Oct 25, 1986 | 7Auburn 35, 13Mississippi State 6 | Box score |
| Oct 25, 1986 | Ball State 24, Western Michigan 10 | Box score |
| Oct 25, 1986 | Baylor 28, TCU 17 | Box score |
| Oct 25, 1986 | Boston College 19, West Virginia 10 | Box score |
| Oct 25, 1986 | Bowling Green 31, Kent State 15 | Box score |
| Oct 25, 1986 | BYU 37, UTEP 13 | Box score |
| Oct 25, 1986 | Cincinnati 24, Wichita State 19 | Box score |
| Oct 25, 1986 | Colorado 20, 3Nebraska 10upset | Box score |
| Oct 25, 1986 | Colorado State 20, Wyoming 15 | Box score |
| Oct 25, 1986 | Eastern Michigan 34, Central Michigan 16upset | Box score |
| Oct 25, 1986 | Florida State 54, Louisville 18 | Box score |
| Oct 25, 1986 | Fresno State 25, Long Beach State 12 | Box score |
| Oct 25, 1986 | Georgia 31, Kentucky 9 | Box score |
| Oct 25, 1986 | Georgia Tech 14, Tennessee 13 | Box score |
| Oct 25, 1986 | Hawai’i 26, Cal State Fullerton 15 | Box score |
| Oct 25, 1986 | 11Iowa 27, Northwestern 20 | Box score |
| Oct 25, 1986 | 12LSU 30, North Carolina 3 | Box score |
| Oct 25, 1986 | Maryland 27, Duke 19 | Box score |
| Oct 25, 1986 | Miami (OH) 20, Northern Illinois 6 | Box score |
| Oct 25, 1986 | 4Michigan 38, Indiana 14 | Box score |
| Oct 25, 1986 | Michigan State 37, Purdue 3 | Box score |
| Oct 25, 1986 | Ole Miss 28, Vanderbilt 12 | Box score |
| Oct 25, 1986 | Missouri 17, Kansas State 6 | Box score |
| Oct 25, 1986 | New Mexico 45, New Mexico State 14 | Box score |
| Oct 25, 1986 | 20NC State 27, 16Clemson 3upset | Box score |
| Oct 25, 1986 | Ohio State 33, Minnesota 0 | Box score |
| Oct 25, 1986 | 5Oklahoma 38, Iowa State 0 | Box score |
| Oct 25, 1986 | Oklahoma State 24, Kansas 6 | Box score |
| Oct 25, 1986 | 6Penn State 23, 2Alabama 3upset | Box score |
| Oct 25, 1986 | Pittsburgh 56, Navy 14 | Box score |
| Oct 25, 1986 | Rutgers 35, Army 7 | Box score |
| Oct 25, 1986 | San José State 44, Pacific 15 | Box score |
| Oct 25, 1986 | South Carolina 38, East Carolina 3 | Box score |
| Oct 25, 1986 | USC 10, 19Stanford 0upset | Box score |
| Oct 25, 1986 | Syracuse 27, Temple 24upset | Box score |
| Oct 25, 1986 | Texas 27, 18SMU 24upset | Box score |
| Oct 25, 1986 | 10Texas A&M 45, Rice 10 | Box score |
| Oct 25, 1986 | Toledo 24, Ohio 21 | Box score |
| Oct 25, 1986 | Tulane 35, Southern Miss 20 | Box score |
| Oct 25, 1986 | 17UCLA 54, Washington State 16 | Box score |
| Oct 25, 1986 | Utah State 7, UNLV 6 | Box score |
| Oct 25, 1986 | Virginia Tech 42, Virginia 10 | Box score |
| Oct 25, 1986 | 8Washington 38, Oregon 3 | Box score |
| Oct 25, 1986 | Wisconsin 15, Illinois 9 | Box score |