Sports gambling, often known as sports betting, involves prediction of sport results by making a wager on the outcome of a sporting event. The legality and acceptance of sports betting varies from one nation to another. It also varies from one state to another. The legal age limit for sports gambling will be twenty-one years.

Several of the sports that a person can bet on are NFL games, horseracing, professional hockey, hound racing, and baseball. Some of the sports that are not usually accessible for gambling are golf, great online casino football Indy 500, and tennis. A gambler can wager on sports in Nevada and Oregon where betting is legal. Wyoming also allows betting on sports but there is some ambiguity about the subject.

Although it is illegal to bet on sports within the US, there are various illegal bookmakers in every town and city.