Gennady “GGG” Golovkin DESTROYS Sergey Kovalev In Sparring!

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So many stories have come of the infamous sparring session that took place between Boxing P4P Kingpins Sergey Kovalev and Gennady “GGG” Golovkin. Well Kovalev’s trainer John David Jackson discussed the session in detail with fighthub. Check it out.