Katie Taylor and Amanda Serrano have developed the greatest rivalry in the history of women's boxing with two fantastic fights. The women are set to face off one more time, headlining a card from New York's Madison Square Garden this Friday night with Taylor's four junior welterweight championships on the line.

Katie Taylor faces Amanda Serrano in an unprecedented trilogy bout at Madison Square Garden on Friday night, as one of sport’s greatest rivalries reaches a dramatic conclusion in New York.

Here's what you need to know ahead of the unprecedented trilogy bout between Katie Taylor and Amanda Serrano from Madison Square Garden.