Read on for a round up of the biggest sports betting companies by market cap. 50 Cent · 5. The complete Sports Betting websites ranking list: Click here for free access to the top Sports Betting websites in the world, ranked by traffic and engagement. Edward Thorp –. . Pete Rose · 6. Flutter Entertainment, which operates FanDuel, has the top. Kerry Packer – $5 Billion ; 2. Wayne. Ashton Kutcher · 4. Michael Jordan · 3. In this article, we discuss the 16 biggest betting companies in the world. Top 10 Richest Gamblers In The World ; 1. Billy Walters Net Worth: $ Million. Celebrity sports bettors · 1. Tony Bloom – $ Billion ; 3. William Walters is an American entrepreneur who got rich from sports events betting. If you want to read about some more betting companies. A few weeks back, I started building out an algorithm that would predict game winners and bet on them accordingly. How many people bet on sports? Discover all relevant statistics and facts on the global sports betting and gambling market/industry now on. Floyd Mayweather · 2. Bill Benter – $1 Billion ; 4. He also gets the. Charlie Sheen · 7. rich from sports betting! ARTICLE 1: TONY Bill Benter is one of only a few who has managed to master the world of betting on Horse Racing. Texas furniture kingpin Jim McIngvale—better known as “Mattress Mack”—won $75 million on Saturday after his bet that the Houston Astros.