Original Kappa football shirt Portsmouth FC 2011/12

Portsmouth Football Club is a professional football club based in Portsmouth, Hampshire, England, which compete in EFL League One. They are also known as Pompey, a local nickname used by both HMNB Portsmouth and the city of Portsmouth; the Pompey nickname predates the club and has various unconfirmed origin sources and theories. The club was founded on 5 April 1898 by Sir John Brickwood and began playing home matches at Fratton Park the following year. Portsmouth are one of only five English football clubs to have been champions of all four tiers of the professional English football pyramid. Portsmouth's arch-rivals are Southampton, a rivalry based in part to geographic proximity and both cities' respective maritime histories.