I would say football in the US and soccer in Europe.
The NFL (National Football League) is the sport that makes the most money followed by MLB (Major League Baseball), NBA (National Basketball Association) and finally NASCAR.
I would say foot ball.
Just behind the NFL is the MLB. Major League Baseball franchises average $237 million per year, with a low of $159 million (Miami Marlins). The Premier League checks in at number three for average revenue at $215 million, followed by the NBA ($152), and the NHL ($88).
The NFL (National Football League) is the sport that makes the most money followed by MLB (Major League Baseball), NBA (National Basketball Association) and finally NASCAR.