Soccer

The equipment needed are:

a shirt, shorts, socks, footwear and adequate shin guards. Players are forbidden to wear or use anything that is dangerous to themselves or another player (including jewellery or watches). The goalkeeper must wear clothing that is easily distinguishable from that worn by the other players and the match officials.a shirt, shorts, socks, footwear and adequate shin guards. Players are forbidden to wear or use anything that is dangerous to themselves or another player (including jewellery or watches). The goalkeeper must wear clothing that is easily distinguishable from that worn by the other players and the match officials.

Rules of the the game:

direct free kick or penalty kick depending on where the offence occurred. Other fouls are punishable by an indirect free kick.
The referee may punish a player or substitute's misconduct by a caution (yellow card) or sending-off (red card). A second yellow card at the same game leads to a red card, and therefore to a sending-off. Misconduct may occur at any time, and while the offences that constitute misconduct are listed, the definitions are broad. In particular, the offence of "unsporting behaviour" may be used to deal with most events that violate the spirit of the game, even if they are not listed as specific offences. Non-players, such as managers and support staff, may be dismissed from the field and its surrounds by the referee if they fail to conduct themselves in a responsible manner.
Rather than stopping play, the referee may allow play to continue when its continuation will benefit the team against which an offence has been committed. This is known as "playing an advantage". The referee may "call back" play and penalise the original offence if the anticipated advantage does not ensue within a short period of time, typically taken to be four to five seconds. Even if an offence is not penalised because the referee plays an advantage, the offender may still be sanctioned for any associated misconduct at the next stoppage of play.
The offside law effectively limits the ability of attacking players to remain forward (i.e. closer to the opponent's goal-line) of the ball, the second-to-last defending player (which can include the goalkeeper), and the half-way line.[14]

The history of this interesting sport:

These ongoing efforts contributed to the formation of The Football Association (The FA) in 1863 which first met on the morning of 26 October 1863 at the Freemason's Tavern in Great Queen Street, London.[5] The only school to be represented on this occasion was Charterhouse. The Freemason's Tavern was the setting for five more meetings between October and December, which eventually produced the first comprehensive set of rules. At the final meeting, the first FA treasurer, the representative from Blackheath, withdrew his club from the FA over the removal of two draft rules at the previous meeting, the first which allowed for the running with the ball in hand and the second, obstructing such a run by hacking (kicking an opponent in the shins), tripping and holding. Other English rugby football clubs followed this lead and did not join the FA, or subsequently left the FA and instead in 1871 formed the Rugby Football Union. The eleven remaining clubs, under the charge of Ebenezer Cobb Morley, went on to ratify the original thirteen laws of the game. These rules included handling of the ball by "marks" and the lack of a crossbar, rules which made it remarkably similar to Victorian rules football being developed at that time in Australia. The Sheffield FA played by its own rules until the 1870s with the FA absorbing some of its rules until there was little difference between the games.