Macklin: I am going to knock Golovkin out on June 29th

NEW YORK CITY (April 13, 2013) - Earlier this afternoon in front of a jam-packed room of media at NYC's historic Gallagher's Steak House in midtown Manhattan, K2 Promotions and DiBella Entertainment hosted the initial press conference to announce the highly-anticipated Middleweight Championship between defending champion Gennady "GGG" Golovkin (26-0, 23KO's) and Ireland's top-rated, former