Claressa Shieldsis an of Flint, Michigan, is a three-division champion. She's the only fighter, man or woman, to be undisputed champion in three different divisions in the four-belt era. Shields is also a former unified super middleweight champion and a two-time Olympic gold medalist representing the U.S.

She began training at Berston Field House in Flint when she was 11, with Jason Crutchfield as her trainer. 

she won the Nickelodeon Kids' Choice Sports Award for biggest powerhouse, and in 2018 was inducted into the USA Boxing Alumni Association's Hall of Fame.