A tripleheader of world championship title fights. In the main event Erislandy Lara (22-2-2, 13 KOs) defends his super welterweight belt against US Olympian Vanes Martirosyan (36-2-1, 21 KOs). In co-features brothers Jermall (23-0, 18 KOs) and Jermell Charlo (27-0, 12 KOs) look to make history as the first twins to hold titles in the same division as they square off against junior middleweight Austin Trout (30-2, 17 KOs) and super welterweight John Jackson (20-2, 15 KOs), respectively. Live from The Chelsea at The Cosmopolitan in Las Vegas.