Rony Jason
16–9–0 · Featherweight · Age 42 · 8 UFC fights
Skill (today)
+0.93
Uncertainty (σ)
1.05
As of
2026-09-13
Skill trajectory
Line: estimated skill after each fight. Band: ±1σ uncertainty.
Fight ledger
| Date | Opponent | Result | Method | Event | Model P(win), pre-fight |
|---|---|---|---|---|---|
| 2025-05-24 | Paweł Polityło | Loss | TKO | FNC 23: Fabjan vs. Moeil | |
| 2024-09-07 | Jordan Barton | Loss | DEC | FNC 19: Fabjan vs. De Castro | |
| 2023-12-16 | Tariel Abbasov | Win | SUB | FNC 14 | |
| 2023-07-02 | Sávio Chaves | Win | TKO | Piauí Pro Fighter 4 | |
| 2023-05-28 | Filip Pejić | Win | TKO | FNC 11: Erslan vs Broenstrup | |
| 2022-03-26 | Daniel Bažant | Loss | DEC | FNC 5 | |
| 2021-05-08 | Fabiano Silva | Loss | Iron Fight MMA 3.0 | ||
| 2019-12-08 | Aaron Cañarte | Win | DEC | WGP Kickboxing 61 | |
| 2019-11-16 | Aleksandr Grozin | Loss | DEC | RCC MMA: Intro 6 | |
| 2019-07-19 | Edgar Diaz Guzman | Win | TKO | Lux Fight League 5 | |
| 2019-03-15 | Diego Lopes | Loss | DEC | Lux Fight League 4 | |
| 2017-03-11 | Jeremy Kennedy | Loss | U-DEC | UFC Fight Night 106 | 29% |
| 2016-08-06 | Dennis Bermudez | Loss | U-DEC | UFC Fight Night 92 | 39% |
| 2014-05-31 | Robbie Peralta | Loss | S-DEC | UFC Fight Night | 59% |
| 2014-03-23 | Steven Siler | Win | KO/TKO | UFC Fight Night 38 | 68% |
| 2013-11-09 | Jeremy Stephens | Loss | KO/TKO | UFC Fight Night 32 | 83% |
| 2013-06-08 | Mike Wilkinson | Win | SUB | UFC on FUEL TV 10 | 64% |
| 2012-10-13 | Sam Sicilia | Win | KO/TKO | UFC 153: Silva vs. Bonnar | 73% |
| 2012-06-23 | Godofredo Pepey | Win | U-DEC | UFC 147: Silva vs. Franklin 2 | |
| 2012-06-10 | Hugo Viana | Win | DEC | The Ultimate Fighter Brazil Season 1 | |
| 2012-05-06 | Anistavio Medeiros | Win | SUB | The Ultimate Fighter Brazil Season 1 | |
| 2012-03-25 | Dileno Lopes | Win | TKO | The Ultimate Fighter Brazil Season 1 | |
| 2011-11-10 | Reginaldo Vieira | Win | SUB | Unknown | |
| 2011-09-17 | Anderson de Deus Souza | Win | SUB | Unknown | |
| 2011-07-16 | Marlon Medeiros | Win | SUB | Unknown | |
| 2011-04-23 | Diego Ribeiro | Win | TKO | Unknown | |
| 2010-12-15 | Jurandir Sardinha | Win | SUB | Unknown |