https://www.businessinsider.com/sweat-in-the-game-a-gamblers-grind-in-the-nba-2011-4By MATT YOUMANS – LAS VEGAS REVIEW-JOURNAL
Bob Voulgaris had become one of the most successful sports gamblers in the world when, in 2004, he started to lose. It wasn’t just a streak of bad luck, a series of randomly unfavorable outcomes that could last only so long. His edge, he realized, was gone.