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Vitor Belfort's boxing career continues on, as he's scheduled to box Hasim Rahman Jr. in Sheffield, England.      Related StoriesFomer UFC champion Vitor Belfort set to box Hasim Rahman Jr. - Enclosure'Be fluid and chill': Demetrious Johnson explains approach to avenging loss to Adriano Moraes'Be fluid and chill': Demetrious Johnson explains approach to avenging loss to Adriano Moraes - Enclosure