The Arsenal football team will wear all-white kits for their third-round FA cup game against Nottingham Forrest.
Teams will be allowed to make a fourth substitution during extra-time in the final three rounds of next season's FA Cup.
The most expensive clubs to support have been revealed with London-based teams taking the top spots.
Sports Direct has revealed the UK's most popular sports, teams and athletes in a new ranking. Find out who made the list.