The most popular sports to bet on include football, basketball, baseball, and soccer, each attracting millions of fans and bettors worldwide. Football, particularly the NFL, dominates the betting landscape in the United States, while basketball, especially the NBA, offers exciting wagering opportunities. Soccer, with its global appeal, sees significant betting activity during major tournaments like the World Cup and UEFA Champions League. Baseball, known for its statistical depth, also captivates bettors with its unique betting formats. These sports not only provide thrilling entertainment but also present diverse betting options for enthusiasts.