Alex Pereira put on a star-making performance in the main event of UFC 303 over the weekend. It elevated him in the ESPN pound-for-pound rankings.
Pereira’s second-round TKO of Jirí Procházka enabled him to remain light heavyweight champion, and the way he did it — taking the fight on short notice, then completely shutting down a former champ who had given him problems in their first meeting seven months ago — enhanced the Brazilian’s…