Fighters Athletes Katie Taylor Claressa Shields Olympic Games Championships Gender Issues in Sports Eligibility Criteria Katie Taylor vs. Amanda Serrano Olympic Boxing Natasha Jonas Gender Issues Amanda Serrano Fighter Statistics Controversies Controversial Decisions Historical Context Career Progression Athlete Advocacy Championship Titles Athlete Achievements Events Trilogy Fights Cultural Impact Title Fights Championship Fights Amanda Serrano's Career Fight Equality Training Empowerment Equal Rights Round Duration Rules Sanctioning Bodies Featherweight IBF Women's Welterweight Title Natasha Jonas vs. Mikaela Mayer Mikaela Mayer Olympics Christy Martin Women's 54kg Women's 60kg Middleweight Division Gender Controversy Gender Eligibility Competitions Gender Politics Gender Controversies Gender Identity in Sports Match Analysis Fighter Profiles Match History