Official MMA record
Willian Bad Boy
“Bad Boy”
Professional record
14-8-0
- Division
- Lightweight
- Age
- 27
- Height
- 5' 7"
- Weight
- 155 lb
- Gender
- Male
- Fighting out of
- Brazil
Profile summary
Willian Bad Boy is an MMA fighter with a professional record of 14-8-0.
Career file
Professional career statistics
14-8-0
Total fights
22
Rounds fought
33.4
Current streak
1 L
Finish rate
71.4%
Win methods
Loss methods
Career length
8y 3m 26d
Fights per year
2.7
Longest layoff
1y 1m 19d
Quickest turnaround
14d
Quick hits
Fastest win
01:10
Fastest KO
01:10
Fastest submission
04:17
Finished rate
37.5%
Avg. fight length · wins
05:35
Avg. fight length · losses
11:04
Avg. rounds · wins
1.1
Avg. rounds · losses
2.2
Official record
Professional fight record
| Date | Result | Opponent | Division | Method / event | Round / time |
|---|---|---|---|---|---|
| Sep 13, 2025 | L | George Staines | Lightweight | Decision · Unanimous Decision Cage Warriors Fighting Championship 193 | R3/05:00 |
| Mar 30, 2025 | W | Darlan Ferreira | Lightweight | Decision · Unanimous Decision Thunder Fight 47 | R3/05:00 |
| Jul 20, 2024 | W | Gustavo Augusto Chagas Simone | Lightweight | TKO/RSC · Referee Stoppage from Punches Jungle Fight 128 | R1/01:10 |
| May 18, 2024 | L | Andre Borges | Welterweight | Decision · Unanimous Decision Centurion Fight Championship 20 | R3/05:00 |
| Sep 30, 2023 | W | Jhony Winchester | Lightweight | Submission · Rear Naked Choke Bison Kombat Championship 3 | R1/04:17 |
| Sep 16, 2023 | W | Edipo Herbert Lima | Lightweight | Decision · Split Standout Fighting Tournament 42Title bout | R5/03:00 |
| Feb 11, 2023 | W | Marcelo Prado | Lightweight | TKO/RSC · Strikes Standout Fighting Tournament 39 | R1/00:27 |
| Dec 17, 2022 | W | Reinaldo Dias | Lightweight | TKO/RSC Standout Fighting Tournament 38 | R1/01:32 |
| Mar 5, 2022 | L | Anderson Ferreira de Souza Santos | Lightweight | Decision · Unanimous Decision Fight Pro Championship 1 | R3/05:00 |
| Nov 14, 2021 | W | Marcelo Matias | — | Decision · Majority Decision Thunder Fight 32 | R3/05:00 |
| Feb 6, 2021 | W | Willian Cachorrao | — | KO Cesinha da Associacao Fighting Championship 3 | R3/05:00 |
| Dec 17, 2019 | L | Luiz Fernando | — | Decision · Unanimous Decision Thunder Fight 21 | R3/05:00 |
| Nov 30, 2019 | L | Leonardo Feitosa | — | Submission · Arm Bar Silva Combat Fight 2 | R1/00:59 |
| Jun 28, 2019 | W | Romildo Santos | — | TKO/RSC Future Fighting Championship 6 | R2/02:25 |
| Apr 13, 2019 | W | Rhalber Bernardo | — | Submission · Triangle Choke Batalha MMA 16 | R2/02:42 |
| Feb 2, 2019 | W | Aprigio Acassio | — | Submission Batalha MMA 15 | R1/05:00 |
| Dec 5, 2018 | W | Tito Viana | — | TKO/RSC Amazon Talent 10 | R1/01:48 |
| Sep 8, 2018 | L | Learte Azevedo | — | Decision · Majority Decision Batalha MMA 14 | R3/05:00 |
| Jul 21, 2018 | L | Arireza Noei | — | Submission Standout Fighting Tournament 3 | R1/05:00 |
| Sep 24, 2017 | W | Celio Santos | — | Decision · Unanimous Decision Back Fish MMA 1 | R3/05:00 |
| Jul 1, 2017 | L | Giliarde Wolverine | — | Submission Mr. Cage 28 | R2/02:36 |
| May 18, 2017 | W | Marcelo Lamego Silva | — | TKO/RSC · Referee Stoppage from Punches Jovem Pan Fight Night 1 | R1/04:20 |