1. Tour de France 3.5 Billion
2. World Cup 3.2 Billion
3. Cricket World Cup 2.6 Billion
4. Summer Games 2 Billion
5. Winter Games 2 Billion
6. Women's World Cup 1.2 Billion
7. Boxing 1 Billion
8. UEFA Champions Leagues 380 Million
9. Super Bowl 96.4 Billion
But in the US for sure Football is king. Outside the US Soccer/Football is a huge sport for sure.