Complex sentence: While still having something of a "joint-contract" with the DREAM organization, with his next bout being at DREAM 18 on 31 December 2012, he faced long time World Victory Road and UFC veteran Michihiro Omigawa.
Split into simpler sentences: While still having something of a "joint-contract" with the DREAM organization, with his next bout being at DREAM 18 on December 31,2012. He faced long time World Victory Road and UFC veteran Michihiro Omigawa.