| Date | Time | Opponent | Site | Result | Attendance | Source |
|---|
| September 5 | | at No. 23 Murray State* | | L 13–41 | 8,941 | [2] |
| September 12 | | at Tennessee–Martin* | | W 36–7 | 5,023 | [3] |
| September 19 | 1:30 p.m. | No. 6 Northern Iowa | | W 27–20 | 6,500 | [4] |
| September 26 | | at Illinois State | | L 38–41 OT | 9,611 | [5] |
| October 3 | | Southwest Texas State* | - McAndrew Stadium
- Carbondale, IL
| L 25–30 | 8,500 | [6] |
| October 10 | | at No. 7 Youngstown State | | L 21–34 | 20,380 | [7] |
| October 17 | | No. 5 Western Illinois | - McAndrew Stadium
- Carbondale, IL
| L 3–13 | 12,600 | [8] |
| October 24 | | Indiana State | - McAndrew Stadium
- Carbondale, IL
| L 21–27 | 4,000 | [9] |
| October 31 | | at Southwest Missouri State | | L 13–28 | 6,149 | [10] |
| November 7 | | at No. 18 Western Kentucky* | | L 28–48 | 4,400 | [11] |
| November 14 | | at Southeast Missouri State* | | W 34–7 | 2,500 | [12] |
|
- ↑ "2021 Record Book" (PDF). Southern Illinois University Athletics. p. 77. Retrieved January 15, 2022.
- ↑ Cunningham, Steve (September 6, 1998). "Racers hit stride". The Southern Illinoisan. p. 1C. Retrieved January 15, 2022 – via Newspapers.com.
- ↑ Cunningham, Steve (September 13, 1998). "Happy Days". The Southern Illinoisan. p. 1C. Retrieved January 15, 2022 – via Newspapers.com.
- ↑ "S. Illinois tops UNI, 27-20". Des Moines Register. Associated Press. September 20, 1998. p. 8D. Retrieved January 15, 2022 – via Newspapers.com.
- ↑ Reinhardt, Randy (September 27, 1998). "ISU flies high in OT". The Pantagraph. p. F1. Retrieved January 15, 2022 – via Newspapers.com.
- ↑ Cunningham, Steve (October 4, 1998). "Dawgs taste defeat again". The Southern Illinoisan. p. 1C. Retrieved January 15, 2022 – via Newspapers.com.
- ↑ Cunningham, Steve (October 11, 1998). "TOs into TDs". The Southern Illinoisan. p. 1C. Retrieved January 15, 2022 – via Newspapers.com.
- ↑ "WIU stays unbeaten in Gateway". The Pantagraph. Associated Press. October 18, 1998. p. F10. Retrieved January 15, 2022 – via Newspapers.com.
- ↑ Cunningham, Steve (October 25, 1998). "ISU edges SIU". The Southern Illinoisan. p. 1C. Retrieved January 15, 2022 – via Newspapers.com.
- ↑ Scranton, Lyndal (November 1, 1998). "SMS finally puts it together". The Springfield News-Leader. p. 1C. Retrieved January 15, 2022 – via Newspapers.com.
- ↑ Cunningham, Steve (November 8, 1998). "Hilltoppers spare Salukis some heartbreak". The Southern Illinoisan. p. 1C. Retrieved January 15, 2022 – via Newspapers.com.
- ↑ Cunningham, Steve (November 15, 1998). "A grand finale for Salukis". The Southern Illinoisan. p. 1C. Retrieved January 15, 2022 – via Newspapers.com.