Hard-hitting world heavyweight champion Bermane Stiverne (24-1, 21 KOs) defends his title against unbeaten knockout specialist and mandatory challenger Deontay Wilder (32-0, 32 KOs) in the most significant heavyweight matchup in a decade. Plus, super bantamweight world champion Leo Santa Cruz (28-0-1, 16 KOs) puts his belt on the line against challenger Jesus Ruiz (33-5-5, 22 KOs). Live from MGM Grand Garden Arena in Las Vegas.