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Sheffield United Football Club is a professional football club in Sheffield, South Yorkshire, England, which compete in the EFL Championship. They are nicknamed "the Blades" due to Sheffield's history of cutlery production. The team have played home games at Bramall Lane since their formation. For most of the club's history, United have played in red and white striped shirts with black shorts. Their main rivals are Sheffield Wednesday, with whom they contest the Steel City derby.