Miriam Gutiérrez Parra is a Spanish professional boxer who has held the WBA interim female lightweight title since 2019. As of September 2020, she is ranked as world's fifth best active female lightweight by The Ring.

Amanda Serrano is a Puerto Rican professional boxer, mixed martial artist and professional wrestler. As a boxer, she is the unified featherweight world champion, having held the WBO title since 2019, IBO title since 2021, IBF title since 2022 and the WBA title since 2023. She is the only female, and Puerto Rican, to win world titles in more than four weight classes, and holds the Guinness World Record for the most boxing world championships won in different weight-classes by a female, having held 9 major world titles across seven different weight classes.