Watch: Darleys Perez works out for Anthony Crolla clash

WBA Lightweight Champion Darleys Perez (32-1, 20 KOs) is four days away from defending his world championship against U.K.-based Anthony Crolla (29-4-2, 11 KOs). The 12-round fight takes place at Manchester Arena, Saturday, July 18 in Manchester, England.

Perez is co-promoted by Thompson Boxing Promotions and Gary Shaw Productions. For more information, please visit