LYOTO take part in IGF?

MMA pro-wrestling UFC

Daily sports announced that LYOTO will takepart in IGF.
Is it really?
what is contract with UFC?(It have nothing to do with pro-wrestling?)

YASUDA Tadao(he choked le Banna out in 2002 newyear eve) also fight there


Japanese original article
http://www.daily.co.jp/ring/2007/05/11/0000331052.shtml

さらに、不肖の弟子で元ＩＷＧＰヘビー級王者の借金王・安田忠夫、ＵＦＣでも無敗街道を突き進む愛弟子ＬＹＯＴＯの参戦も有力。旗揚げ戦（６月２９日・両国国技館）まで５０日。ようやくＩＧＦの陣容が整ってきた。