Paint ball
Because a competitive marksman sport where you can shoot projectiles is something that many people fine enjoyable, like dodge ball or corner-ball (Amish sport) or airsoft.
Paint ball isn't an official game/sport, so, it's not on TV at all. Unless someone dies in public because of playing paint ball, then, it might make it in the news. Or watch the show 'America's Funniest Videos' (AFV) and keep an eye out for a video on paint ball.
Paintball is the #3 most popular extreme sport in America and growing.
You can use the ball as defense in the sport of dodgeball.
Sport with a lead ball on a chain
Someone can find a Mitsubishi shotgun sport at any paintballing store. Just find your local paint ball store and if they do not have it in stock they can order it.
Bocce ball is NOT an Olympic sport, sadly.
Yes you can get a paint ball gun in a winchester! See.
It is not advisable to paint a soccer ball. If it is a quality leather ball, any kind of paint would degrade the surface.
The regulation sport that uses the largest ball is basketball.
Yes softball is a sport.