A light heavyweight bout between Gegard Mousasi and UFC veteran Jake O'Brien is close to being finalized for DREAM.15, MMA Fighting has learned has learned from sources close to the event.
Both sides have verbally agreed to the fight, and barring any setbacks, contracts are expected to be signed shortly.
The fight is expected to be a part of the upcoming DREAM light heavyweight tournament, which will also feature an opening round bout between Melvin Manhoef and Tatsuya Mizuno.
DREAM.15 takes place July 10 from the Saitama Super Arena in Saitama, Japan, and will be headlined by Shinya Aoki vs. Tatsuya Kawajiri for the DREAM lightweight title.
DREAM.15 Announced Matchups:
Shinya Aoki vs. Tatsuya Kawajiri--Lightweight Championship
JZ Cavalcante vs. Katsunori Kikuno
Melvin Manhoef vs. Tatsuya Mizuno--Light Heavyweight Grand Prix
Gegard Mousasi vs. Jake O'Brien--Light Heavyweight Grand Prix