LAS VEGAS – Paulo Costa provided insight into what caused the fight week weight class changes ahead of his fight on Saturday against Marvin Vettori. In the days leading up to UFC Fight Night 196, the main event bout which was originally set to take place at middleweight, ended up being a light heavyweight fight after Costa (13-2 MMA, 5-2 UFC) requested multiple changes during the week. Earlier in the week, Costa said he would talk about why he couldn’t make 185 pounds after the fight, and made good on that promise.