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MMA

Aoki returns to RIZIN after a decade, chasing the ending that DREAM never got.

He headlined the promotion’s first card in 2015 and never came back. Thursday in Osaka, at 43, the greatest submission artist Japan has ever produced fights Mikuru Asakura in the Super RIZIN 5 co-main, and on the same card fights the son of a man he once beat.

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Andrew Weissmann
September 10, 2026 · 5 min read
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Shinya Aoki has fought once in a RIZIN ring, and it was the first RIZIN ring there was. In December 2015, on the promotion’s inaugural card, he destroyed Kazushi Sakuraba in six minutes, a passing-of-the-torch moment between generations of Japanese MMA, and then left for a decade. On Thursday at Kyocera Dome Osaka, at 43, he returns, meeting Mikuru Asakura in the co-main event of Super RIZIN 5, and he has been unusually precise about what he is actually there to do.

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