Mike Tyson's Knockout Net Worth: The Champ's Riches! Mike Tyson, one of the most feared boxers in history, has amassed an enormous fortune throughout his career. With a net worth estimated at over $300 million, Tyson's success in the ring has translated to a life of luxury outside of it. From mansions to sports cars, Tyson's riches are the stuff of legend. So sit back, relax, and let's take a closer look at the champ's incredible wealth.