Welldon Silva de Oliveira
UFC DebutNickname“Mutante / The Lion Heart”
Record
Streak
L5
Age
Date of birth
- Fighting out of
- Goianesia, Para
- Born
- Brazil
- Camp
- GOR MMA
- Weight class
- Middleweight
- Height
- 6'4" · 193 cm
Before the UFC
Welldon Silva de Oliveira makes their UFC debut
Our striking, grappling, and schedule metrics are measured from UFC fights, so they come online after this bout. Here is the career they bring in — and how live the opposition has been.
Pre-UFC opposition
StrongOpponents' combined record
573-352-6
.619 win rate
Winning-record opponents
27 of 37
carried winning pro records
Pro bouts faced
73
37 opponents with records on file
A descriptive read of the non-UFC slate from opponents’ full career pro records — not a UFC-grade Schedule Score.
UFC fight history
No UFC bouts on record yet.
Outside the UFC
across 73 bouts · 50 promotions · wins by 21 KO · 8 sub · 6 decCFN · AFC · PFC · Sport Nocaut MMA · Rubao Fight Combat +45
| Res | Opponent | Outcome | Finish | Rd | Time | Promotion | Date |
|---|---|---|---|---|---|---|---|
| L | Romeo Thanveera | KO/TKO | Punches | R1 | 1:53 | Voimaa on! Fight Night | Jun 13, 2026 |
| L | Lajos Papp | KO/TKO | Punches | R1 | 3:49 | CombatX | Jun 6, 2026 |
| L | Andrii Barkar | Submission | Kneebar | R1 | 0:27 | BFL Pro 2 | May 9, 2026 |
| L | Daniel Molnar | Decision | Unanimous | R3 | 5:00 | HFN 4 | Apr 25, 2026 |
| L | Alain Van De Merckt | KO/TKO | Punches | R2 | 0:57 | LFL 22 | Apr 11, 2026 |
| W | Oberdan de Oliveira dos Santos | Submission | Reverse Heel Hook | R1 | 4:25 | CFN | Oct 4, 2025 |
| L | Henrique da Silva20-12 | KO/TKO | Punches | R1 | 2:22 | TKF 1 | Jun 22, 2025 |
| W | Cleiton Laia Araujo | KO/TKO | Punches | R1 | 2:46 | CFN | Jun 14, 2025 |
| L | Dmitry Vorobyov | Decision | Unanimous | R3 | 5:00 | MMA Series 83 | Sep 7, 2024 |
| L | Roman Karasev8-4 | Decision | Unanimous | R3 | 5:00 | MMA Series 80 | May 10, 2024 |
| W | Mohamed Ali Sellam | Decision | Unanimous | R3 | 5:00 | MMA Series 76 | Mar 23, 2024 |
| L | Oleg Dadonov19-6 | Submission | Rear-Naked Choke | R3 | 3:48 | MMA Series 77 | Mar 9, 2024 |
| L | Andrey Pulyaev10-4 | KO/TKO | Punches | R1 | 1:17 | SFC 9 | Feb 2, 2024 |
| L | KO/TKO | Punches | R2 | 3:53 | Ural FC 5 | Dec 9, 2023 | |
| W | Marcone Jordan | KO/TKO | Punches to the Body | R1 | 1:35 | ARC | Nov 11, 2023 |
| W | Marcos Lembranca | KO/TKO | Punches | R1 | 2:35 | CFN | May 13, 2023 |
| W | Edvan Souza7-12 | Submission | Armbar | R1 | 3:35 | CFN | May 13, 2023 |
| L | Marco Tulio14-3 | KO/TKO | Punches | R1 | 4:26 | LFA | Jan 28, 2023 |
| W | Willian Costa | KO/TKO | Punches | R2 | 0:58 | UF SAGA | Jul 23, 2022 |
| W | Oberdan de Oliveira dos Santos | KO/TKO | Punches | R2 | 3:47 | AFC | Jul 16, 2022 |
| L | Brunno Ferreira15-3 | KO/TKO | Punches | R1 | 4:40 | BFS 8 | Apr 16, 2022 |
| L | Rafael Celestino14-7-1 | Submission | Armbar | R2 | 3:36 | Fire Fight 2 | Mar 26, 2022 |
| W | Marcos Lembranca | KO/TKO | Punches | R1 | 4:00 | FR | Feb 27, 2022 |
| W | Edvan Souza7-12 | KO/TKO | Punches | R1 | 3:45 | CFN | Feb 5, 2022 |
| W | Cleiton Laia Araujo | KO/TKO | Punches | R1 | 4:30 | CFN | Feb 5, 2022 |
| L | Eduardo Ramon26-10 | Submission | Guillotine Choke | R3 | 3:16 | Iron Man MMA | Dec 23, 2021 |
| L | Decision | Unanimous | R3 | 5:00 | CFN | Nov 20, 2021 | |
| L | Submission | Rear-Naked Choke | R1 | 1:18 | Future MMA 13 | Sep 24, 2021 | |
| W | KO/TKO | Knee | R1 | 2:33 | Future MMA | Jul 18, 2021 | |
| W | Marcos Souza | KO/TKO | Punches | R4 | 3:30 | CFN | Nov 28, 2020 |
| W | Marcelino Carvalho17-27 | KO/TKO | Punches | R1 | 4:19 | Rubao Fight Combat | Dec 22, 2019 |
| W | Smaylly Pop | KO/TKO | Punches | R2 | 4:23 | GAC | Sep 13, 2019 |
| W | Roberto Pereira | K.O | Punches | R1 | 4:50 | BFM | Sep 7, 2019 |
| W | K.O | Punches | R1 | 1:02 | Rubao Fight Combat | Sep 6, 2019 | |
| W | Muleque Doido | Decision | Unaminous | R3 | 5:00 | PFC | Aug 10, 2019 |
| L | Herdeson Batista22-8 | KO/TKO | Punches | R1 | 4:04 | CSYSL | Aug 3, 2019 |
| W | Jhonathans Nunes da Rocha | Submission | Triangle Choke | R1 | 2:41 | TF | May 11, 2019 |
| D | Alan Silva21-14-1 | Draw | — | R3 | 5:00 | AF | May 4, 2019 |
| W | Marcos Vinicius Goncalves | K.O | Punches | R2 | 3:02 | PFC | May 1, 2019 |
| W | Jeferson Garcia da Silva | KO/TKO | Punches | R1 | 0:38 | PFC | May 1, 2019 |
| W | Decision | Unaminous | R3 | 5:00 | CFCP | Apr 6, 2019 | |
| L | Adriano Lucas Tavares de Oliveira | K.O | Punch | R1 | 4:10 | GAC | Dec 8, 2018 |
| W | Odailton Jose da Silva Campelo Junior | KO/TKO | Punches | R1 | 2:30 | Extreme Fight MMA Placas | Nov 10, 2018 |
| W | Marcos Vinicius De Souza Pereira | Decision | Unanimous | R3 | 5:00 | Extreme Fight MMA Placas | Nov 10, 2018 |
| W | KO/TKO | Punches | R3 | 4:00 | TC | Nov 6, 2018 | |
| L | Decision | Unanimous | R3 | 5:00 | ABCF | Sep 30, 2018 | |
| L | Luis Felipe Dias18-5 | Submission | Armbar | R1 | — | MMADF | Aug 11, 2018 |
| W | Alailson Felicio | Submission | Armbar | R1 | 4:48 | AFC | Jul 7, 2018 |
| W | Marcus Pereira de Souza | Submission | Triangle Choke | R1 | 0:48 | AC | Jun 16, 2018 |
| L | Alberto Lima2-3 | Decision | Split | R3 | 5:00 | PFC 47 | May 19, 2018 |
| W | Cleiton Laia Araujo | KO/TKO | Punches | R1 | 4:48 | MF | May 13, 2018 |
| L | Flavio Pina de Sousa30-14 | Decision | Unanimous | R5 | 5:00 | CFC | May 5, 2018 |
| L | Sivaldo Alves da Silva19-13-1 | Decision | Unanimous | R3 | 5:00 | L.A Combate MMA 2 | Apr 7, 2018 |
| W | Thalyson Alves da Silva | KO/TKO | Punches | R3 | 4:20 | CFN | Feb 11, 2018 |
| L | Bruno Lima de Nazare2-1 | Submission | Armbar | R2 | 1:40 | MMADF | Dec 9, 2017 |
| L | Pedro Henrique Santos17-11 | Decision | Split | R3 | 5:00 | L.A Combate MMA 1 | Oct 28, 2017 |
| W | Submission | Rear-Naked Choke | R2 | 3:56 | SPF / PSF | Sep 16, 2017 | |
| W | Smaylly Pop | KO/TKO | Punches | R3 | 2:40 | CFN | Aug 15, 2017 |
| W | Silmar Nunes51-18-1 | Split Decision | — | R3 | 5:00 | Copa Tucurui de Artes Marciais 1 | Jul 17, 2017 |
| W | Joeldo de Souza Damaceno | Split Decision | — | R3 | 5:00 | Copa Tucurui de Artes Marciais 1 | Jul 17, 2017 |
| W | Unknown Fighter | K.O | Punch | R1 | 0:26 | MC | Apr 20, 2017 |
| W | Yran Jhonata Santos | KO/TKO | Punches | R2 | 3:00 | RPC | Jul 10, 2016 |
| W | Romario Guinu9-3 | Decision | Unanimous | R3 | 5:00 | Sport Nocaut MMA | May 21, 2016 |
| L | Silmar Nunes51-18-1 | Submission | Triangle Choke | R1 | 4:26 | SFC | Apr 14, 2016 |
| L | Gilberto Sousa11-6 | KO/TKO | Punches | R1 | 1:30 | CSF | Oct 3, 2015 |
| L | KO/TKO | Punches | R1 | 3:12 | ISF | Sep 4, 2015 | |
| W | Brustos Silva | KO/TKO | Punches | R1 | 4:50 | AFC | May 29, 2015 |
| W | Pedro Henrique Santos17-11 | Submission | Triangle Choke | R2 | 3:40 | SFC | Jan 10, 2015 |
| W | Walas Pereira de Sousa | Decision | Unanimous | R3 | 5:00 | CFN | Sep 20, 2014 |
| W | Alexandre Machado1-4 | KO/TKO | Punch | R1 | 0:48 | Sport Nocaut MMA | Aug 23, 2014 |
| W | Rubens Anjo0-3 | Submission | Triangle Choke | R1 | 3:26 | TC | Jun 27, 2014 |
| L | Submission | Armbar | R3 | 3:48 | MFC | Mar 9, 2014 | |
| L | Magno Silva de Sousa | Decision | Unanimous | R3 | 5:00 | Sport Nocaut MMA | Jan 25, 2014 |
Non-UFC bouts (regional/other promotions) and Dana White’s Contender Series — shown for context only, excluded from Schedule Score, striking/grappling rates, and every UFC-scoped metric.