Claressa Shields, of Flint, Michigan, is a three-division champion. She's the only fighter, man or woman, to be undisputed champion in three different divisions in the four-belt era. Shields is ...

In the early hours of February 7, it was revealed that Saul "Canelo" Alvarez had signed a four-fight deal with Turki ...

For a list of the best fighters regardless of weight class, check ESPN's pound-for-pound rankings. WBO: Claressa Shields IBF: Claressa Shields WBA: Claressa Shields/p> WBC: Claressa Shields WBO ...

Claressa Shields became the first-ever women's undisputed heavyweight champion in boxing when she defeated Danielle Perkins ...