Phil Mickelson wagered more than $1B US, wanted to bet on Ryder Cup, per book

Phil Mickelson has wagered more than $1 billion US over the last three decades and wanted to place a $400,000 bet on the 2012 Ryder Cup while playing for Team USA, according to a much-anticipated book by renowned gambler Billy Walters.

The stunning betting estimates Walters provides — from his own detailed record from what he describes as two reliable sources — are detailed in an excerpt of Walters' book, "Gambler: Secrets from a Life of Risk."

It is schedule to be available Aug. 22. The FirePit Collective obtained an except of the book. Mickelson's management group did not immediately respond to an email from The Associated Press seeking comment.

Walters is widely regarded as America's most famous gambler who claims to have a winning streak of more than 30 straight years.

Walters said he never told Mickelson he had inside information on Dean Foods stock.

"All Phil had to do was publicly say it. He refused," Walters wrote. "The outcome cost me my freedom, tens of millions of dollars and a heartbreak I still struggle with daily. While I was in prison, my daughter committed suicide — I still believe I could have saved her if I'd been on the outside."

Walters said Mickelson told him he had two offshore accounts, and that Mickelson had limits of $400,000 on college games and $400,000 on the NFL.

He said based on his detailed record and additional records provided by sources, Mickelson's gambling between 2010 and 2014 included:

"Based on our relationship and what I've since learned from others, Phil's gambling losses approached not $40 million as has been previously reported, but much closer to $100 million. In all, he wagered a total of more than $1 billion during the past three decades," Walters wrote.

Walters said they met