Phil Mickelson wagered $1 billion, according to Billy Walters' book – The Washington Post
Golfer Phil Mickelson wagered more than $1 billion and lost more than $100 million on sporting events over the past three decades and attempted to place a bet on a Ryder Cup he was playing in, professional gambler Billy Walters claims in a book that will be published Aug. 23. In a book excerpt published…