Srisaket Sor Rungvisai knocks out ‘Chocolatito’ Gonzalez in 4th

Srisaket Sor Rungvisai, of Thailand, celebrates after knocking out Roman Gonzalez of Nicaragua, during the fourth round of their WBC super flyweight championship boxing match Saturday, Sept. 9, 2017, in Carson, Calif. (AP Photo/Chris Carlson)Srisaket Sor Rungvisai, of Thailand, celebrates after knocking out Roman Gonzalez, of Nicaragua, in the fourth round during their WBC super flyweight championship boxing match Saturday, Sept. 9, 2017, in Carson, Calif. (AP Photo/Chris Carlson)Srisaket Sor Ru