K-1 PREMIUM 2006 Dynamite!! was held by K-1 and Hero's on New Year's Eve, Sunday, December 31, 2006 at the Kyocera Dome Osaka in Osaka, Japan. It featured 10 HERO'S MMA rules fights, and 4 K-1 rules fights. The event attracted a sellout crowd of 51,930. The main event between Kazushi Sakuraba and Yoshihiro Akiyama was ruled to be a No Contest after it was determined that Akiyama had applied an illegal substance causing Sakuraba to be unable to secure a takedown due to slipiness. Sakuraba can be heard loudly protesting to the referee. Akiyama later said that this substance was a lotion that he always used for dry skin Dynamite!! 2006 was also the final time Genki Sudo stepped into the ring as after his match, Sudo shocked the crowd by announcing his retirement
Kazushi Sakuraba
Yoshihiro Akiyama
"Sexyama"
Genki Sudo
"The Neo Samurai"
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