The organization of the middleweight fight was reported by informed sources close to the situation.
32-year-old Armen Petrosyan has fought three fights in the UFC, winning a split decision against Gregory Rodriguez, losing a unanimous decision to Cayo Borrallo, and defeating AJ Dobson via unanimous decision.
27-year-old Christian Leroy Duncan made a successful debut under the banner of the strongest league in the world in March, finishing with a TKO in the first round of Dusko Todorovic.