
Former WBC Junior Bantamweight Champion Carlos Cuadras has retired at 37, ending his 17-year journey in professional boxing.
The 37-year-old from Mexico City made the decision after his eighth-round technical knockout loss to Tomoya Tsuboi on Monday. Cuadras steps away from the sport with a record of 44-6-1 (28 KOs). Cuadras first captured his WBC title in May 2014 with a technical decision win over Sor Rungvisai. He successfully defended the belt six times before losing to Roman Gonzalez in their September 2016 clash. His later attempts to regain the championship proved unsuccessful. The latest TKO loss was only the second stoppage defeat in his 51-fight career, the other being against Juan Francisco Estrada in their 2020 rematch. Cuadras felt it was the right time to retire.
“This is my last fight. I decided from the beginning of this promotion that I would retire if I lost. Today’s opponent was a tremendous foe, and I humbly accept defeat. The fighter I faced [Monday] will become a world champion. This was my first fight in Japan in 10 years. I’m very happy to have been able to step in the ring again after all this time. My career began here [in his fifth pro fight, just five months in] and I will end it here,” Cuadras said
Cuadras was a fighter known for his dynamic style, technical skill, and sheer resilience, competing at the highest level for over a decade. He engaged in the iconic September 2016 battle with Roman “Chocolatito” Gonzalez, a fight widely considered a modern classic that showcased Cuadras’s ability to compete with an all-time great. Even in his late career, he proved his quality, notably taking rising star Jesse “Bam” Rodriguez the distance in a 2022 title bout.
Cuadras’ early success, including winning a gold medal at the 2007 Pan American Games as an amateur, built the foundation. However, his legacy also carries notes of controversy and personal struggle, which often shadow the sport. In 2018, Cuadras was suspended by the WBC after he refused a doping test, an incident that preceded his entry into rehab to deal with drug issues.
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