Sergio Mendoza shocks Ricardo Sandoval to become unified flyweight champion

Sergio Mendoza pulled off a major upset in Chicago on Saturday night, stopping Ricardo Sandoval at the 1:43 mark to become the unified WBA/WBC flyweight champion. Mendoza, who stepped in as a late replacement after Oscar Collazo pulled out of the fight, scored three knockdowns during the bout. The victory improved Mendoza's record to 28-1 with 24 KOs, while Sandoval fell to 27-3.