Nobumitsu Tyson, nicknamed “Tyson”, is a professional mixed martial arts fighter from Japan. He has fought both Shooto and the RIZIN Fighting Federation. As of January 2023, he ranked the Number 14 Japan Pro Lightweight fighter.

Player Profile

Nobumitsu Osawa (大澤伸光) was born on July 3, 1986 in Noda, Chiba, Japan. He still lives in and fights out of Noda. He has been fighting professionally since 2011 and has been a part of the Noda Bodybuilding Club.

Height / weight 1.7 m / 70 kg
Born 3 Jul 1986
Nationality Japan Japan
Nickname Tyson

Osawa stands 170 cm tall and his reach is 176 cm. His weight was last listed at 70 kg and he fights in the lightweight division.


His first professional fight was against Jin Suzuki in February 2011. He followed this with another win from Yuya Onodera – both fights were from Shooto. He had his first loss in December 2011. He continued fighting for Shooto through 2021.

During that time, he had won against fighters like Komei Kimura, Hiroki Aoki, and Maz Sugimoto. On December 31, 2022, he had his first fight for the RIZIN Fighting Federation. It was against Johnny Case. As of January 2023, he is not yet scheduled for a new fight. He has a record of 21 fights, 14 wins, and 7 losses.

Career Record

Total - 21

  • Wins - 14
  • By knockout - 7
  • By submission - 1
  • By decision - 6

  • Losses - 7
  • By knockout - 3
  • By submission - 3
  • By decision - 1

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