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American Top Team’s Greg Hardy will step inside the cage for the second time in less than a month when he faces former Bellator MMA heavyweight champion Alexander Volkov in the UFC Fight Night 163 co-headliner on Saturday in Moscow. An elite athlete who competed at a high level in the NFL -- he once recorded seven sacks in a two-game period -- Hardy does not appear to have the technique necessary to compete at the highest level of mixed martial arts.