Gillette Mustangs Schedule
All times Eastern
Complete Schedule
| March 4, 2023 | W | Gillette Mustangs 30 at Southwest Kansas Storm 12 | Final |
| March 12, 2023 | W | Gillette Mustangs 68 at Rapid City Marshals 20 | Final |
| March 25, 2023 | W | Sioux City Bandits 18 at Gillette Mustangs 28 | Final |
| April 1, 2023 | W | Billings Outlaws 28 at Gillette Mustangs 73 | Final |
| April 8, 2023 | L | Gillette Mustangs 29 at Omaha Beef 51 | Final |
| April 15, 2023 | W | Topeka Tropics 45 at Gillette Mustangs 48 | Final |
| April 29, 2023 | W | Gillette Mustangs 36 at Sioux City Bandits 33 | Final |
| May 6, 2023 | W | Rapid City Marshals 28 at Gillette Mustangs 77 | Final |
| May 13, 2023 | L | Gillette Mustangs 38 at Billings Outlaws 41 | Final |
| May 27, 2023 | L | Salina Liberty 43 at Gillette Mustangs 41 | Final |
| June 3, 2023 | W | Southwest Kansas Storm 35 at Gillette Mustangs 40 (Playoff) | Final |
| June 10, 2023 | L | Gillette Mustangs 30 at Salina Liberty 37 (Playoff) | Final |
