| 2022-03-05 | UFC 272: Covington vs. Masvidal | Heavyweight | Serghei Spivac def. Greg Hardy | TKO (punches) | 1 | 2:16 |
| 2021-07-10 | UFC 264: Poirier vs. McGregor 3 | Heavyweight | Tai Tuivasa def. Greg Hardy | KO (punches) | 1 | 1:07 |
| 2020-12-19 | UFC Fight Night: Thompson vs. Neal | Heavyweight | Marcin Tybura def. Greg Hardy | TKO (punches) | 2 | 4:31 |
| 2020-10-31 | UFC Fight Night: Hall vs. Silva | Heavyweight | Greg Hardy def. Maurice Greene | TKO (punches) | 2 | 1:12 |
| 2020-05-09 | UFC 249: Ferguson vs. Gaethje | Heavyweight | Greg Hardy def. Yorgan De Castro | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2019-11-09 | UFC Fight Night: Magomedsharipov vs. Kattar | Heavyweight | Alexander Volkov def. Greg Hardy | Decision (unanimous) (30–27, 30–27, 30–27) | 3 | 5:00 |
| 2019-10-18 | UFC on ESPN: Reyes vs. Weidman | Heavyweight | Greg Hardy vs. Ben Sosoli | No Contest (overturned) | 3 | 5:00 |
| 2019-07-20 | UFC on ESPN: dos Anjos vs. Edwards | Heavyweight | Greg Hardy def. Juan Adams | TKO (punches) | 1 | 0:45 |
| 2019-04-27 | UFC Fight Night: Jacaré vs. Hermansson | Heavyweight | Greg Hardy def. Dmitry Smolyakov | TKO (punches) | 1 | 2:15 |
| 2019-01-19 | UFC Fight Night: Cejudo vs. Dillashaw | Heavyweight | Allen Crowder def. Greg Hardy | DQ (illegal knee) | 2 | 2:28 |