Middleweight world champion and rising star Gennady "GGG" Golovkin says a fight against welterweight champ Kell Brook in September will be the biggest test of his career.
Sports stories from Newsday, Long Island Newsday: Sports
Thu, 07/14/2016 - 12:44pm
Middleweight world champion and rising star Gennady "GGG" Golovkin says a fight against welterweight champ Kell Brook in September will be the biggest test of his career.