Golovkin vs. Martirosyan: "I can't lose this [fight]," says GGG

By Dan Ambrose: Gennady Golovkin knows he cannot afford to lose this Saturday night when he puts his IBO/WBA/WBC middleweight titles on the line for his fight against replacement opponent and 2004 U.S Olympian Vanes Martiroysyan (36-3-1, 21 KOs) at the StubHub Center in Carson, California. Martirosyan is the replacement opponent for Saul Canelo Alvarez. […] Boxing News 24 - Twitter: @boxingnews24