Strikeforce heavyweight champ Alistair Overeem and Bellator lightweight title-holder Eddie Alvarez were among the winners on Sunday at DREAM 12 in Osaka, Japan.

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.

All eighteen fighters scheduled to compete at tomorrow’s DREAM 12 event in Osaka, Japan hit the scales earlier today to weigh-in for their bouts. Lightweight Won Sik Park was the long fighter on the card who failed to make weight on their first attempt, with notables Alistair Overeem, James Thompson, Eddie Alvarez, Kazushi Sakuraba, and Chase Beebe all hitting their marks.

In this weeks addition of MMAFrenzy.com’s Rising Sun Roundup, our weekly look at the MMA happenings in Japan, we take a look at Takanori Gomi’s “last fight in Japan” as well as the rest of the Vale Tudo Japan card. Also included is a look at the upcoming Sengoku 11 and Dream 12 fight card additions, and more.

Marius Zaromskis won the DREAM welterweight grand prix and became the promotion’s first-ever 76kg champion on Sunday by upsetting Hayato “Mach” Sakurai and Jason High with back-to-back knockouts at DREAM 10 in Saitama, Japan.

In other DREAM 10 action, Shinya Aoki topped Vitor Ribeiro by unanimous decision in a lightweight bout that filled to live up to expectations TUF 7 cast member Jesse Taylor defeated Dong Sik Yoon, who was unable to continue due to a left ankle injury, and former WEC champ Paulo Filho submitted kickboxer Melvin Manhoef in the opening round of their middleweight matchup.

Though it wasn’t without a notable struggle, all 14 fighters successfully made weight on Sunday for DREAM 10, which takes place overnight in Saitama, Japan and airs live on HDNet.

Welterweight grand prix participant Hayato “Mach” Sakurai struggled to reach the 76kg limit for his semifinals bout against Marius Zaromskis, but eventually dropped the necessary weight for his third weigh-in attempt.

DREAM has released the finalized fight card and bout order for Monday’s DREAM 10 event, which takes place at the Saitama Super Arena in Saitama, Japan and airs live on HDNet.

The official fight card, which includes Shinya Aoki, Jesse Taylor, Paulo Filho, and Melvin Manhoef, is after the jump.

Former “The Ultimate Fighter 7″ cast member Jesse Taylor, perhaps most famous for getting kicked out of the UFC twice, recently announced he be fighting at the July 20th DREAM 10 event in Japan. He announced the bout via his website, as well as his expected opponent Korean Judoka Dong Sik Yoon.
Taylor is comes [...]

Josh Koscheck has been forced off UFC 98 due to a foot injury, UFC President Dana White will reportedly reduce his public UFC role, Strikeforce is considering a rematch between Mitsuhiro Ishida and Gilbert Melendez for its April 11th event, and more.

DREAM today announced additional bouts for DREAM 8, which takes place on April 5th at the Nippon Gaishi Hall in Nagoya, Japan and features the opening round of the promotion's welterweight grand prix.

Melvin Manhoef def. Kazushi Sakuraba via TKO – Round 1
Middleweight Grand Prix Bout
Ronaldo Souza def. Jason Miller via unanimous decision
Middleweight Grand Prix Bout
Zelg Galesic def. Taiei Kin via TKO (injury) – Round 1, 1:05
Middleweight Grand Prix Bout
Gegard Mousasi def. Dong Sik Yoon via unanimous decision
Middleweight Grand Prix Bout
Hideo Tokoro def. Darren Uyenoyama via unanimous decision
Ralek [...]

MW (84kg/185lbs): Kazushi Sakuraba (83.6 kg) vs. Melvin Manhoef (84 kg)
MW (84kg/185lbs): Ronaldo “Jacare” Souza (83.9 kg) vs. Jason Miller (84 kg)
MW (84kg/185lbs): Taiei Kin (84 kg) vs. Zelg Galesic (83.8 kg)
MW (84kg/185lbs): Dong Sik Yoon (83.9 kg) vs. Gegard Mousasi (83.8 kg)
FW (67kg/145lbs): Hideo Tokoro (62.9 kg) vs. Darren Uyenoyama (62.6 kg)
HW (+93.1kg/+205lbs): Gadzhiev [...]

Wanderlei Silva, Rousimar Palhares, Goran Reljic, and Wilson Gouveia took home $75,000 bonuses for their efforts at UFC 84. Silva won “Knockout of the Night” for his 36-second KO win over Keith Jardine. Palhares was awarded “Submission of the Night” for his slick armbar win over veteran Ivan Salaverry. Reljic and Gouveia took home [...]

Kazushi Sakuraba def. Andrews Nakahara via submission – Round 1, 8:20
Gegard Mousasi def. Denis Kang via submission – Round 1, 3:10
Kiyoshi Tamura def. Masakatsu Funaki via TKO – Round 1, 0:57
Ronaldo “Jacare” Souza def. Ian Murphy via submission – Round 1, 3:38
Zelg Galesic def. Magomed Sultanakhmedov via submission – Round 1, [...]