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Saturday, after nearly 23 years and almost 50 fights, all-time heavyweight great Fedor Emelianenko will hang up his MMA gloves.      Related StoriesFarewell to Fedor: 'The People's Forever Heavyweight Champion' - EnclosureBellator 290 weigh-in results (noon ET)Jaylon Bates out to set blueprint on how to beat Jornel Lugo at Bellator 290: 'I'm coming to finish him'