Sports Betting Dime provides exclusive sports betting commercial content to Newsweek, including real-time odds, picks, analysis and premier sportsbook offers to help sports fans get in on the action. Please wager responsibly. Yes. You can earn lots of bonus bets by taking advantage of the welcome bonus offers and other promos available at legal online sportsbooks. These promos can greatly increase your bankroll when youre starting out at a New Jersey online sportsbook. As far as the literal definition of the biggest online sportsbook, the answer is Bovada. Bovada serves the highest number of North American clients and is available in countries around the world. With the current generation of bettors, Bovada is the household name, but Bovada got its start as an offshoot of Bodog, which was one of the biggest sportsbooks in the world.