Why are there 22 players in the football match?

Why are sports called sports? What are the college bowl games from oldest to most recent? Where can you buy a leather baseball mitt chair? How many substitutes are allowed in the English Premier League? If everyone says that curved hockey sticks never came into use until the late fifty's how come in the picture of the first Stanley cup winners there seems to be two sticks that look curved? What is spotting a kick? How much do afl umpires get paid? When did cricket start? Who has scored the second most points in NBA history? What is the name of the Philippines basketball team? How long is one quarter in a regulation NBA Match? What is the nearest rugby union team to Liverpool? Why is there a number 21 on giants helmets? What is the preparation required to hit a ball? Where can one purchase AEG appliances? Why are there sometimes worms in the bags you get crickets in at the pet store.? . After school began Mrs. Weeks realized that she needed more basketballs and footballs. If she spent 135.00 on basketballs and 48.00 on footballs how many more balls did she purchase? Is Derby the worst football team? What is the salary for assistant coaches for Norfolk Admirals? 6 footballers that have played for arsenal Chelsea Liverpool man utd AND Barcelona or real Madrid?