Saturday, February 24

Japanese Boxer Kazuki Anaguchi Dies in Hospital Following Defeat to Seiya Tsutsumi on Naoya Inoue Undercard


  • Kazuki Anaguchi, a 23-year-old Japanese boxer, tragically passed away after sustaining a brain injury during a December match.
  • Anaguchi showed ambition and promise, but his decision to challenge a more experienced opponent proved fatal.
  • The boxing community has mourned Anaguchi’s death and emphasized the importance of acknowledging the risks and protecting fighters.

Kazuki Anaguchi, aged just 23, has passed away tragically in the hospital following a brain injury sustained during his December bout against Seiya Tsutsumi.

The Japanese boxer faced a hard ten-round match on the undercard of Naoya Inoue’s victorious bid for the undisputed super-bantamweight world titles against Marlon Tapales.

Anaguchi, competing for the Japanese bantamweight title, experienced knockdowns in the fourth, seventh, ninth, and tenth rounds, ultimately losing by decision. After the bout’s conclusion, he lost consciousness and was swiftly hospitalized.

Despite undergoing an emergency craniotomy to address a subdural hematoma on his brain, Anaguchi sadly never regained consciousness.

His passing was publicly announced on Friday, over a month after the tragic incident, by the Japanese Boxing Commission, leading to a heartfelt response from the boxing community.


Kazuki Anaguchi Remains Unconscious After Loss to Seiya Tsutsumi

Kazuki Anaguchi underwent an emergency craniotomy as he remains unconscious in a hospital.

Kazuki Anaguchi Was 6-1 With Two Knockouts

He Was A Standout Amatuer Boxer

Anaguchi boasted an impressive amateur record of 68-6 before making his professional debut in July 2021. The clash with Tsutsumi marked his first 10-round bout and his third fight in 2023. Despite his promising future, Anaguchi chose to challenge an older, more powerful, and seasoned challenger, displaying the ambition expected of young prospects.

Regrettably, this decision proved fatal. The awareness of potential risks in the ring, exemplified by the tragic deaths of Patrick Day and Maxim Dadashevs, should never be relegated to a mere statistic or abstract concept. It is a stark reality that demands constant acknowledgment, ensuring that fans remain aware and compassionate, rather than becoming desensitized to the inherent dangers of the sport.

Tributes Pour In For Kazuki Anaguchi

The Japanese Boxer Earned The Respect Of Many

The boxing community has mourned the death of Anaguchi with several leaving touching tributes. One person wrote, “I just received news that Kazuki Anaguchi has passed away. WE LOVE YOU BROTHER! #rip He passed giving us one of the greatest fights I’ve ever seen live. It saddens me so much that our community witnessed this but I’m grateful that we got to see this man. Prayers to his family.”

Promoter Lou Di Bella wrote, “Rest in peace, Kazuki Anaguchi. Prayers up for those he’s left behind. Another reminder of #boxing’s deadly risks and the importance of best protecting our fighters from them.”

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