Serrano's record for holding a belt in seven different divisions appears like one that will go untouched. Yet, Taylor remains the lone dark mark on her resume.

Katie Taylor will compete against Amanda Serrano for the third time, headlining a historic all-women's card on July 11 at Madison Square Garden.

Netflix ‘s coverage of the the boxing faceoff between Katie Taylor and Amanda Serrano was a huge hit, with the streamer proclaiming it the “most-watched professional women’s sports event in US history.