Cleber_Sousa hero 1200x1165

Cleber “Clandestino” Sousa

Weight Limit
134.7 LBS / 61.1 KG
5'4" FT / 165 CM
29 Y
Almeida Jiu Jitsu

About Cleber Sousa

Cleber “Clandestino” Sousa was born into humble beginnings in Sao Paulo, Brazil, in 1996. From an early age, he worked to help support his struggling family by selling food on the streets. 

Sousa found Brazilian Jiu-Jitsu at the age of 13 when he was offered the opportunity to train at Almeida Jiu-Jitsu free of charge due to his family’s economic situation. “Clandestino” immediately took to BJJ, quickly throwing all of his energy into the martial art. 

Just three years later, Sousa had his first taste of high-level competition when he won the juvenile Brazilian Nationals as a blue belt in 2012. From then on, the Sao Paulo native piled up accomplishments throughout the colored belts as he competed in both Brazil and the United States. 

In 2016, Sousa won an IBJJF World Championship in the brown belt category, and he was awarded his black belt shortly thereafter. 

Sousa didn’t wait to throw himself into the deep waters of the black belt competition scene. In his rookie year, “Clandestino” medaled at the IBJJF Pan American Championship, the South American Championship, and the Brazilian Nationals.  

Sousa’s greatest achievement came in 2019 when he captured gold at the IBJJF Pan American Championships, solidifying himself as a truly elite competitor. 

In 2022, ONE Championship signed Sousa to a contract to compete in its flyweight submission grappling division. He made his debut against longtime rival Mikey Musumeci for the inaugural ONE Flyweight Submission Grappling World Championship at ONE Fight Night 2 

While he came up short in the rubber match, he is hunting another World Title showdown with the flyweight submission grappling king. That journey begins when he faces Osamah Almarwai in a clash of potential flyweight World Title contenders at ONE 166: Qatar on Friday, March 1. 

ONE Championship Records

Event Results

Result Method Round Method and round Opponent Opponent and event Country Date Event
Submission SUB
R1 (5:31)
R1 (5:31)
R1 (5:31) Osamah_Almarwai avatar 500x345
Osamah Almarwai
ONE 166: Qatar
Mar 1, 2024
Yemen Mar 1, 2024
ONE 166: Qatar
Mar 1, 2024
Unanimous Decision UD
Unanimous Decision
R1 Mikey_Musumeci avatar 500x345 1
Mikey Musumeci
United States
United States Oct 1, 2022
ONE on Prime Video 2: Xiong vs. Lee III
Oct 1, 2022

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