Overeem submitted James Thompson with a guillotine choke in under a minute in the DREAM 12 main event, while Alvarez used an arm-triangle choke to defeat Katsunori Kikuno in the second-round of their featured matchup.
Also at DREAM 12, welterweight champ Marius Zaromskis picked up a first-round headkick knockout of Myeon Ho Bae in non-title action, Kazushi Sakuraba submitted Zelg Galesic with a kneebar in the opening frame, and Yoshiro Maeda choked out Chase Beebe in the first.
The complete results for DREAM 12 were:
- Alistair Overeem def. James Thomson via submission (guillotine choke) — Round 1
- Eddie Alvarez def. Katsunori Kikuno via submission (arm-triangle choke) — Round 2
- Marius Zaromskis def. Myeon Ho Bae via KO (head kick) — Round 1
- Kazushi Sakuraba def. Zelg Galesic via submission (kneebar) — Round 1
- Katsuyori Shibata def. Tokimitsu Ishizawa by TKO (strikes) — Round 1
- Dong Sik Yoon def. Tarec Saffiedine via split decision
- Yoshiro Maeda def. Chase Beebe via submission (rear naked choke) — Round 1
- Kuniyoshi Hironaka def. Won Sik Park via TKO (corner stoppage) — Round 1
- Tomoya Miyashita def. Keisuke Fujiwara via unanimous decision