| UFC Fight Night | 07/16 03:30 | - | Walt Harris v Josh Parisian | View | |
| UFC Fight Night | 06/06 01:15 | - | Walt Harris v Marcin Tybura | 0-1 | |
| UFC | 10/24 19:25 | - | Alexander Volkov v Walt Harris | 1-0 | |
| UFC Fight Night | 05/17 03:25 | - | Alistair Overeem v Walt Harris | 1-0 | |
| UFC Fight Night | 07/21 03:10 | - | Aleksei Oleinik v Walt Harris | 0-1 | |
| UFC Fight Night | 05/05 00:40 | - | Walt Harris v Sergey Spivak | 1-0 | |
| UFC | 12/30 02:00 | 1 | Andrei Arlovski v Walt Harris | 0-1 | |
| UFC Fight Night | 06/02 02:00 | 1 | Walt Harris v Daniel Spitz | 1-0 | |
| UFC | 11/05 00:00 | 1 | Walt Harris v Mark Godbeer | 0-1 | |
| UFC | 10/08 02:00 | 1 | Fabricio Werdum v Walt Harris | 1-0 | |
| UFC Fight Night | 06/17 08:45 | - | Cyril Asker v Walt Harris | 0-1 | |
| UFC Fight Night | 01/15 23:15 | - | Walt Harris v Chase Sherman | 1-0 |