| UFC | 02/10 02:05 | - | Shane Young v Arnett, Austin | 1-0 | |
| UFC Fight Night | 11/18 01:40 | 1 | Bandenay, Humberto v Arnett, Austin | 0-1 | |
| UFC Fight Night | 07/28 22:00 | - | Dawodu, Hakeem v Arnett, Austin | 1-0 | |
| UFC Fight Night | 01/27 20:30 | - | Arnett, Austin v Cory Sandhagen | 0-1 |