How Katie Taylor changed boxing: From pretending to be a boy to headlining MSG

Katie Taylor, aged 39, announced her retirement from professional boxing after a decade in the sport, following a September 2025 lunch meeting with promoter Eddie Hearn and manager Brian Peters. The Irish fighter had most recently competed in a third bout against Amanda Serrano, their second time headlining Madison Square Garden, two months prior. Taylor's career achievements include Olympic gold, multiple world titles, and headline bouts drawing 20,000 fans at MSG and tens of millions of television viewers.