Nigel Benn: $20 Million
Former boxer Nigel Benn, known as "The Dark Destroyer," enjoyed a relatively brief but highly successful ten-year career that resulted in a net worth of $20 million in retirement. During his career, Benn held multiple world titles and boasted a record of 42 wins, five losses, and a draw, with 35 of his victories achieved via knockout. After hanging up his gloves, Benn transitioned to a career as an internationally recognized DJ and even appeared on the reality show "I Am A Celebrity…Get Me Out Of Here."