| UFC | 2021/09/26 00:00 | Modafferi, Roxanne v Santos, Taila | 0-1 |
| UFC Fight Night | 2021/01/20 18:25 | Modafferi, Roxanne v Viviane Araujo | 0-1 |
| UFC Fight Night | 2020/09/13 01:40 | Andrea Lee v Modafferi, Roxanne | 0-1 |
| UFC Fight Night | 2020/06/20 21:30 | Modafferi, Roxanne v Lauren Murphy | 0-1 |
| UFC | 2020/01/19 02:30 | Maycee Barber v Modafferi, Roxanne | 0-1 |
| UFC Fight Night | 2019/07/20 23:30 | Modafferi, Roxanne v Jennifer Maia | 0-1 |
| UFC Fight Night | 2019/04/20 17:40 | Modafferi, Roxanne v Shevchenko, Antonina | 1-0 |
| UFC | 2018/11/04 00:55 | Sijara Eubanks v Modafferi, Roxanne | 1-0 |
| UFC Fight Night | 2021/10/02 22:10 | Shevchenko, Antonina v Casey O'Neill | 0-1 |
| UFC Fight Night | 2021/06/19 20:00 | Procopio, Lara v Casey O'Neill | 0-1 |
| UFC Fight Night | 2021/02/20 23:05 | Dobson, Shana v Casey O'Neill | 0-1 |