According to multiple reports, Kid Yamamoto has passed away after a battle with cancer.
— KRAZY BEE OFFICIAL (@KB_official) September 18, 2018
Yamamoto announced earlier this year that he was diagnosed with cancer.
His last MMA bout was at UFC 184 when he fought Roman Salazar to a no-contest. His last win came in 2010 vs. Federico Lopez at Dream 14 via knockout.
Yamamoto and his ex-wife had two sons and a daughter together.
The 41-year-old began his career in 2001 and captured the K-1 Hero 2005 Middleweight Grand Prix Tournament title. He was also a standout wrestler in high school in Arizona.
RIP…. Norifumi “Kid” Yamamoto 😞 pic.twitter.com/K8OJblm0ip
— Dana White (@danawhite) September 18, 2018
A true legend of the sport. Heartbreaking. RIP Kid Yamamoto. pic.twitter.com/9u9Udq7Tn0
— Tom Taylor (@TomTayMMA) September 18, 2018