Women's boxing is divided between 17 weight classes, from heavyweight to atomweight. The four major sanctioning bodies, WBO, IBF, WBA and WBC have champions in most of the divisions and to make it easier for boxing fans, below is a chart of who holds each of the titles and secondary belts.

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 of Michigan outpointed Danielle Perkins during an undisputed heavyweight bout for women's boxing.

What does it mean to be the undisputed champion in boxing? As of 2007, boxing has four major sanctioning bodies: ▪︎ World Boxing Association (WBA) ▪︎ World Boxing Council (WBC) ▪︎ International Boxing Federation (IBF) ▪︎ World Boxing Organization (WBO) In order for a boxer to be considered the undisputed champion in his or her division,

Claressa Shields oozed confidence ahead of her heavyweight world title fight on Sunday, shutting down any possibility that her opponent Danielle Perkins could win.

Claressa Shields outpoints Danielle Perkins to become first undisputed heavyweight champion in womens boxing; 29-year-old only boxer, female or male, to achieve undisputed status across three different divisions in four-belt era;

Claressa Shields became the first-ever women's undisputed heavyweight champion in boxing when she defeated Danielle Perkins on Feb. 2.

Claressa Shields made history by becoming the first boxer, male or female, to win undisputed world championships in three different weight classes. Shields defeated Danielle Perkins to claim the WBC,