Katie Taylor eked out a victory to secure a trilogy whitewash over Amanda Serrano (Getty Images for Netflix) The trilogy bout was the cagiest of the three, but still represented something bigger (AP) ...

Katie Taylor went professional in 2016 and quickly ascended to the top. Her four major belts, WBA, WBC, IBF, and WBO, helped her to become the uncontested world lightweight champion in 2019.