The "GWOAT" defeated Danielle Perkins by unanimous decision to become boxing's first-ever women's undisputed heavyweight champion. She also earned the accolade of being the only three-division undisputed champion, male or female, of the four-belt era.

Claressa Shields beat Danielle Perkins at Dort Financial Center, Sunday in Flint for undisputed women's heavyweight championship. Check out recap.

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,