The largest online sports book in terms of overall customer volume, Sportsbook.com, is giving back 5 percent of customer bonuses through September as part of a recent promotion.

"Not every bet can be a winner; that's why we're giving you the chance to earn 5% Cash Back on the net losses of your sports wagers every month up to $5,000.00.

To earn free cash back all you need to do is wager on sports and first register HERE. It's that easy to qualify. On the third business day of the following calendar month your cash back bonus is deposited into your account and the best part is: there are no rollovers whatsoever.

There are terms and conditions that apply so read them carefully.

Sportsbook.com has been in business for 11 years now and continues to thrive.

The company's leading spokesperson, Ms. Carrie Stroup, doubles as a popular senior reporter for the Gambling911.com website. She is a work horse who also models and appears on the hit television series Scrubs in between her impressive work load.

"This promotion has been absolutely huge!" exclaimed Stroup from her Los Angeles home. 

Sportsbook.com also lists a whole slate of future betting odds including on the NFL and College Football.