On the heels of a devastating loss to Gilbert Melendez in a Strikeforce championship bout last April, Aoki is back in action in Japan to defend his Dream lightweight belt against rival Kawajiri.
Full Dream.15 results are below.
Shinya Aoki def. Tatsuya Kawajiri via first-round submission (achilles lock) (live blog)
JZ Calvan def. Katsunori Kikuno by split decision (live blog)
Gegard Mousasi def. Jake O'Brien by first-round submission (guillotine) (live blog)
Tatsuya Mizuno def. Melvin Manhoef by first-round submission (kimura) (live blog)
Michihiro Omigawa def. Jung Young Sam by first-round submission (guillotine) (live blog)
Mitsuhiro Ishida def. DJ.taiki by unanimous decision (live blog)
Kazuhiro Nakamura def. Karl Amoussou by unanimous decision (live blog)