| UFC Fight Night | 11/04 22:20 | - | Kaue Fernandes v Marc Diakiese | 0-1 | |
| UFC Fight Night | 07/22 18:20 | - | Marc Diakiese v Joel Alvarez | 0-1 | |
| UFC Fight Night | 12/04 01:45 | - | Michael Johnson v Marc Diakiese | 1-0 | |
| UFC Fight Night | 07/23 18:30 | - | Marc Diakiese v Damir Hadzovic | 1-0 | |
| UFC Fight Night | 03/26 23:05 | - | Marc Diakiese v Viacheslav Borshchev | 1-0 | |
| UFC Fight Night | 11/13 18:35 | - | Marc Diakiese v Rafael Alves | 0-1 | |
| UFC Fight Night | 07/19 01:00 | - | Marc Diakiese v Rafael Fiziev | 0-1 | |
| UFC Fight Night | 09/28 15:30 | - | Marc Diakiese v Lando Vannata | 1-0 | |
| UFC Fight Night | 03/16 19:05 | - | Marc Diakiese v Joseph Duffy | 1-0 | |
| UFC Fight Night | 07/22 18:00 | - | Nasrat Haqparast v Marc Diakiese | 1-0 | |
| UFC | 12/31 01:00 | - | Dan Hooker v Marc Diakiese | 1-0 | |
| UFC | 07/08 01:00 | - | Marc Diakiese v Drakkar Klose | 0-1 |