Informed sources close to the situation reported on the organization of the fight.
Bogdan Guskov, 31, made an unsuccessful debut for the organization last September, losing by rear-naked choke to former title challenger Volkan Ozdemir in the first round, but five months later he put his career back on track by knocking out Zach Pauga in the opening five minutes.
Ryan Spann, 32, ranked eleventh in the UFC’s bantamweight division rankings, is riding a two-fight losing streak, having lost by triangle choke to Nikita Krylov and split decision to Anthony Smith.