UFC middleweight champion Israel Adesanya says that his upcoming opponent at UFC 253, Paulo Costa, is the dirtiest fighter in MMA. Adesanya and Costa do not like each other and next Saturday at UFC 253 on Fight Island both men will finally get the chance to rip each other’s head off when they square off … Continue reading Israel Adesanya claims UFC 253 opponent Paulo Costa is the dirtiest fighter in MMA