UFC 392 Countdown takes a closer look at the co-main event clash between former middleweight champion  Sean Strickland and hard-hitting Brazilian  Paulo Costa . For Strickland (28-6), it’s his first fight since losing the belt to  Dricus Du Plessis in January.  He’ll have to win on June 1 to remain the top contender in the division.  Costa (14-3) has lost three of his last fought fights and is coming off a loss to former champion  Robert Whittaker .