Germaine de Randamie, the first-ever UFC Women's Featherweight Champion, has announced her retirement from MMA at the age of 40. De Randamie, who ends her career with a 10-5 record, made her debut in the UFC in 2013 and became the inaugural Women's Featherweight Champion at UFC 208 in 2017. Despite her efforts to secure one last fight this year, all the cards were full, leading to her decision to retire. De Randamie, also known as 'The Iron Lady,' leaves behind a notable legacy in the sport.