basketball
it involves balls
hot dog eating contests
Basketball
This question has know actual answer because people have different opinions, but I believe it is basketball.
Tenpin bowling is played all over the world. It is most popular in the US and UK, but is very popular in Asian countries as well. It is the most popular indoor sport in the world.
basket ball
No, but it is the most played sport (or popular) in the world.
Genealogy is said to be the most popular indoor hobby in the US.
Football (soccer) is the most popular sport among American Latinos.
Baseball used to be the favorite sport played and watched in the US but now football is the most-watched sport, while BASKETBALL reigns supreme in terms of MOST PLAYED.
Basketball