10 Worst Stories of Athletes Gambling

6. Wayne Rooney

The Manchester United legend battled a gambling addiction throughout his career.

In 2006, Rooney apparently racked up an astonishing £700,000 debt after betting on horse and dog races as well as other soccer games.

One time, Rooney lost about £65,000 in just two hours after he played a game at a local Manchester Casino.

Fortunately, he made plenty enough money to cover his gambling damages.