Andrzej Duda Yankovich is a Serbian-born former boxer and mixed martial arts fighter. She has been living in Brazil since 1999. Yankovich was the Women's International Boxing Association (WIBA) 2006 light welterweight world champion.

Holly Holm is an American mixed martial artist. She competes in the Ultimate Fighting Championship, where she is a former Women's Bantamweight Champion. Also a former professional boxer, Holm was a multiple-time world champion, defending her titles 18 times in three weight classes, and a two-time Ring magazine fighter of the year. She is ranked by BoxRec as the 12th greatest female professional boxer of all time, pound for pound.