Claressa Maria Shields is an American professional boxer and professional mixed martial artist. She has held multiple world championships in five weight classes, including the undisputed female light middleweight title in March 2021; the undisputed female middleweight title twice between 2019 and 2024; the World Boxing Council and International Boxing Federation female super middleweight titles from 2017 to 2018; the World Boxing Organization female light heavyweight title and the undisputed female heavyweight title since February 2025.
