| Nov 12, 1998 | 22Georgia Tech 24, Clemson 21 | Box score |
| Nov 14, 1998 | 23Air Force 10, 25Wyoming 3 | Box score |
| Nov 14, 1998 | Akron 24, Eastern Michigan 21 | Box score |
| Nov 14, 1998 | 9Arizona 27, California 23 | Box score |
| Nov 14, 1998 | Arkansas State 17, UL Monroe 13 | Box score |
| Nov 14, 1998 | Boston College 23, Pittsburgh 15 | Box score |
| Nov 14, 1998 | BYU 31, UTEP 14 | Box score |
| Nov 14, 1998 | UCF 37, Ball State 14 | Box score |
| Nov 14, 1998 | Cincinnati 44, Houston 43 | Box score |
| Nov 14, 1998 | Colorado 37, Iowa State 8 | Box score |
| Nov 14, 1998 | Colorado State 32, SMU 10 | Box score |
| Nov 14, 1998 | 4Florida 33, South Carolina 14 | Box score |
| Nov 14, 1998 | 5Florida State 24, Wake Forest 7 | Box score |
| Nov 14, 1998 | Fresno State 51, Hawai’i 12 | Box score |
| Nov 14, 1998 | 17Georgia 28, Auburn 17 | Box score |
| Nov 14, 1998 | Idaho 36, New Mexico State 32 | Box score |
| Nov 14, 1998 | Indiana 20, Minnesota 19 | Box score |
| Nov 14, 1998 | 2Kansas State 40, 11Nebraska 30 | Box score |
| Nov 14, 1998 | Kentucky 55, Vanderbilt 17 | Box score |
| Nov 14, 1998 | Louisville 63, East Carolina 45upset | Box score |
| Nov 14, 1998 | Maryland 42, Duke 25upset | Box score |
| Nov 14, 1998 | 24Miami 42, Temple 7 | Box score |
| Nov 14, 1998 | Miami (OH) 56, Kent State 0 | Box score |
| Nov 14, 1998 | 15Michigan 27, 8Wisconsin 10upset | Box score |
| Nov 14, 1998 | Mississippi State 26, Alabama 14 | Box score |
| Nov 14, 1998 | 12Notre Dame 30, Navy 0 | Box score |
| Nov 14, 1998 | Ohio 28, Northern Illinois 12 | Box score |
| Nov 14, 1998 | 7Ohio State 45, Iowa 14 | Box score |
| Nov 14, 1998 | Oklahoma 28, Baylor 16 | Box score |
| Nov 14, 1998 | Oklahoma State 44, Louisiana 20 | Box score |
| Nov 14, 1998 | 20Oregon 51, Arizona State 19 | Box score |
| Nov 14, 1998 | 19Penn State 41, Northwestern 10 | Box score |
| Nov 14, 1998 | Purdue 25, Michigan State 24 | Box score |
| Nov 14, 1998 | Rice 38, UNLV 16 | Box score |
| Nov 14, 1998 | San Diego State 34, San José State 6 | Box score |
| Nov 14, 1998 | Southern Miss 45, Memphis 3 | Box score |
| Nov 14, 1998 | Stanford 38, Washington State 28 | Box score |
| Nov 14, 1998 | Syracuse 28, 16Virginia Tech 26upset | Box score |
| Nov 14, 1998 | 1Tennessee 28, 10Arkansas 24 | Box score |
| Nov 14, 1998 | 6Texas A&M 17, 13Missouri 14 | Box score |
| Nov 14, 1998 | TCU 17, Tulsa 7 | Box score |
| Nov 14, 1998 | Texas Tech 42, 18Texas 35upset | Box score |
| Nov 14, 1998 | Toledo 17, Central Michigan 14 | Box score |
| Nov 14, 1998 | 14Tulane 49, Army 35 | Box score |
| Nov 14, 1998 | 3UCLA 36, Washington 24 | Box score |
| Nov 14, 1998 | Utah 41, New Mexico 7 | Box score |
| Nov 14, 1998 | Utah State 28, North Texas 27 | Box score |
| Nov 14, 1998 | 21Virginia 30, North Carolina 13 | Box score |
| Nov 14, 1998 | West Virginia 28, Rutgers 14 | Box score |
| Nov 14, 1998 | Western Michigan 56, Bowling Green 27 | Box score |