Bookmakers are excluding persistent winners as "liabilities". It's perfectly legal, if not entirely fair. But these high-stakes gamblers still find ways to bet – and now the liabilities are starting to fight back.
Initially intended as a no-spin-zone, where injuries were out in the open so all fans—and, yes, bettors—felt comfortable they were watching an unadulterated game of pigskin, the NFL injury report has morphed into something far murkier.
Operating in an unregulated corner of the internet, Twitter tipsters can earn money when the very people they are advising lose their bets. Despite their ties to major bookmakers, many ignore industry guidelines without facing sanctions.
Once upon a time, Alan "Dink" Denkenson was one of the biggest illegal bookmakers in America. Today, he's a professional gambler in Las Vegas, and we tagged along as he prepared for the Kentucky Derby.