The tennis legend is now reportedly a billionaire and joins the likes of LeBron James and Lionel Messi, who have leveraged their success in their respective sport to the next level. According to Forbes, Federer's net worth boost is due to the "significant minority stake in publicly traded Swiss shoe and apparel brand On."

Roger Federer is officially one of the highest-paid tennis players — and richest people — ever. On Friday2, Forbes announced Federer, 44, had increased his net worth to $1.1 billion. The outlet, which regularly publishes the wealth status and rankings of celebrities and notable figures,