Football (soccer) is the most attended or watched sport in the world.
The Major League Baseball teams use about 850,000 balls per season.
Volleyball was invented by William George Morgan of Holyoke, Massachusetts in 1895.
The very first Olympic race, held in 776 BC, was won by Corubus, a chef.
Basketball and rugby balls are made from synthetic material. Earlier, pigs’ bladders were used as rugby balls.