Professional Gambler Billy Walters Talks Phil Mickelson, NFL Betting Scandal and Golf with Michael Jordan

Billy Walters, author of Gambler: Secrets From a Life at Risk, joins SI to talk about why Phil Mickelson made his book, NFL players betting on games and playing golf with Michael Jordan.

Billy Walters, author of Gambler: Secrets From a Life at Risk, joins SI to talk about why Phil Mickelson made his book, NFL players betting on games and playing golf with Michael Jordan.