Highlights Michael Owen has found success and made a solid investment in horse racing, earning hundreds of thousands through ownership of Manor House Stables, with him now estimated to be worth £36 million. Mia Hamm, despite earning a modest salary in football, made the majority of her wealth through endorsements, becoming a member of AS Roma's Board of Directors and co-owner of LAFC, proving the potential for female football players in business ventures. Mathieu Flamini is the best example of a footballer earning a huge sum of money after retiring, with his biochemical company seeing his net worth soar to...