Claressa Shields has done it again. Shields, an undefeated world champion boxer, captured the undisputed heavyweight title with a unanimous decision victory over previously unbeaten Danielle Perkins on Sunday,

American Claressa Shields was crowned boxing's first undisputed world champion in three weight classes on Sunday after beating compatriot Danielle Perkins for the women's heavyweight title by unanimous decision in front of a home crowd in Flint,