| Date | Location | Result | |
| 11/14/1998 | Weatherford, Okla. | Harding 20, SW Oklahoma State 9 | |
| 11/07/1998 | Ada, Okla. | East Central 13, SW Oklahoma State 8 | |
| 10/28/1998 | Weatherford, Okla. | Central Oklahoma 20, SW Oklahoma State 6 | |
| 10/24/1998 | Tahlequah, Okla. | Northeastern State 30, SW Oklahoma State 10 | |
| 10/17/1998 | Weatherford, Okla. | SE Oklahoma State 27, SW Oklahoma State 7 | |
| 10/03/1998 | Arkadelphia, Ark. | Ouachita Baptist 34, SW Oklahoma State 17 | |
| 09/26/1998 | Commerce, Texas | Texas A&M-Commerce 52, SW Oklahoma State 12 | |
| 09/19/1998 | Weatherford, Okla. | Eastern New Mexico 34, SW Oklahoma State 6 | |
| 09/12/1998 | Canyon, Texas | West Texas A&M 42, SW Oklahoma State 0 | |
| 09/05/1998 | Weatherford, Okla. | Abilene Christian 31, SW Oklahoma State 13 |