Horse racing has tremendous opposition for the betting dollar from both legal and illegal wagering. Just how much opposition derives from illegal betting is staggering, as shown in CNBC estimates of how many dollars are spent betting illegally on various sports. Pari-mutuel wagering on horse racing is dwarfed by each and all of the following:  National Football League games, the Super Bowl, college football, National Basketball Association games, college basketball, and Major League Baseball. The CNBC list is broken down sport by sport. Click the following link to go to the CNBC information.

The number one sport in the world for legal betting is soccer.