Ronda Rousey (2012-2015) After being announced as the UFC women’s bantamweight champion, Rousey’s first defense would be against Liz Carmouche in the main event of UFC 157 (2/13/2013). (Watch On UFC Fight Pass) Rousey and Carmouche would make history that night by becoming the first women to ever compete in the UFC. In the first round, Rousey would hit her signature armbar, forcing Carmouche to tap out. Rousey would dominate as the champion for 1,074 days, successfully defending her title six times. Defeating each of her opponents by either submission or TKO, Rousey’s title defense record of six has yet to be beaten. In 2018, Rousey also became the first woman inducted into the UFC Hall of Fame.
Holly Holm (2015) Defeats Rousey at UFC 193 (11/15/2015) in Melbourne, Australia. Holly Holm would be the seventh woman to challenge the undefeated Rousey. Holm would become the second UFC women’s bantamweight champion and would remain on top as champion for 111 days. (Watch On UFC Fight Pass)