Sports betting involves making predictions about the outcome of sports events and putting a wager on the conclusion. Depending on the culture, several sports are more popular to wager on than others. At both the amateur and professional levels, association football, American football, basketball, baseball, hockey, track cycling, auto racing, mixed martial arts, and boxing are the most popular. However, wagering on sports can also be done on non-athletic events like reality show competitions and elections, as well as on non-human competitions like cockfighting, greyhound racing, and horse racing.