Professional foul Football League, recommended in 1982 that any offence that denies the attacking player an obvious scoring opportunity should be deemed "serious foul play" by English referees and would therefore receive a red card, in order to deter offenders. The subcommittee produced several suggestions, including making the professional foul a mandatory red card offence, which they submitted to the IFAB for consideration. All the suggestions were defeated. The rule was finally fixed into the Laws of the Game by IFAB in 1990 and referees were instructed by FIFA for the 1990 World Cup to send off players for a professional foul.
Sport break these rules in order to gain advantage. Participants may cheat in order to unfairly increase their chance of winning, or in order to achieve other advantages such as financial gains. The widespread existence of gambling on the results of sports fixtures creates a motivation for match fixing, where a participant or participants deliberately work to ensure a given outcome rather than simply playing to win. The competitive nature of sport encourages some participants to attempt to enhance their performance through the use of medicines, or through other means such as increasing the volume of blood in their bodies through