Football
Common elements
In all codes, common skills include passing), tackling), evasion of tackles, catching and kicking). In most codes, there are rules restricting the movement of players offside), and players scoring a goal must put the ball either under or over a crossbar) between the goalposts).
Ancient China

Ancient Greece and Rome
!An [ancient Roman tombstone of a boy with a Harpastum ball from Tilurium (modern Sinj, Croatia)](//upload.wikimedia.org/wikipedia/commons/thumb/8/81/TombstoneofGaiusLaberiuswithharpastumballinSinj%2CCroatia.jpg/250px-TombstoneofGaiusLaberiuswithharpastumballinSinj%2CCroatia.jpg)