| 2026-08-22 | UFC Fight Night: Hernandez vs. Rodrigues | Heavyweight | Shamil Gaziev def. Kennedy Nzechukwu | KO (punch) | 1 | 1:20 |
| 2025-12-13 | UFC on ESPN: Royval vs. Kape | Heavyweight | Kennedy Nzechukwu vs. Marcus Buchecha | Draw (unanimous) (28–28, 28–28, 28–28) | 3 | 5:00 |
| 2025-07-12 | UFC on ESPN: Lewis vs. Teixeira | Heavyweight | Valter Walker def. Kennedy Nzechukwu | Submission (inverted heel hook) | 1 | 0:54 |
| 2024-12-07 | UFC 310: Pantoja vs. Asakura | Heavyweight | Kennedy Nzechukwu def. Łukasz Brzeski | TKO (punches) | 1 | 4:51 |
| 2024-10-26 | UFC 308: Topuria vs. Holloway | Heavyweight | Kennedy Nzechukwu def. Chris Barnett | TKO (knee to the body and punches) | 1 | 4:27 |
| 2024-03-16 | UFC Fight Night: Tuivasa vs. Tybura | Light Heavyweight | Ovince Saint Preux def. Kennedy Nzechukwu | Decision (split) (29–28, 28–29, 29–28) | 3 | 5:00 |
| 2023-08-05 | UFC on ESPN: Sandhagen vs. Font | Light Heavyweight | Dustin Jacoby def. Kennedy Nzechukwu | TKO (punches) | 1 | 1:22 |
| 2023-05-06 | UFC 288: Sterling vs. Cejudo | Light Heavyweight | Kennedy Nzechukwu def. Devin Clark | Technical Submission (guillotine choke) | 2 | 2:28 |
| 2022-11-19 | UFC Fight Night: Nzechukwu vs. Cuțelaba | Light Heavyweight | Kennedy Nzechukwu def. Ion Cuțelaba | TKO (knee and punches) | 2 | 1:02 |
| 2022-07-09 | UFC on ESPN: dos Anjos vs. Fiziev | Light Heavyweight | Kennedy Nzechukwu def. Karl Roberson | TKO (elbows) | 3 | 2:19 |
| 2022-03-05 | UFC 272: Covington vs. Masvidal | Light Heavyweight | Nicolae Negumereanu def. Kennedy Nzechukwu | Decision (split) (27–29, 29–27, 29–27) | 3 | 5:00 |
| 2021-11-13 | UFC Fight Night: Holloway vs. Rodríguez | Light Heavyweight | Da Un Jung def. Kennedy Nzechukwu | KO (elbows) | 1 | 3:04 |
| 2021-06-26 | UFC Fight Night: Gane vs. Volkov | Light Heavyweight | Kennedy Nzechukwu def. Danilo Marques | TKO (punches) | 3 | 0:20 |
| 2021-03-06 | UFC 259: Błachowicz vs. Adesanya | Light Heavyweight | Kennedy Nzechukwu def. Carlos Ulberg | KO (punches) | 2 | 3:19 |
| 2019-08-03 | UFC on ESPN: Covington vs. Lawler | Light Heavyweight | Kennedy Nzechukwu def. Darko Stošić | Decision (unanimous) (29–26, 29–26, 28–27) | 3 | 5:00 |
| 2019-03-30 | UFC on ESPN: Barboza vs. Gaethje | Light Heavyweight | Paul Craig def. Kennedy Nzechukwu | Submission (triangle choke) | 3 | 4:20 |