Kjell Inge Røkke stadium, which got the nickname "Røkkeløkka" (English: "The Røkke Park"). Some estimates suggest that he has spent about NOK 400 million funding the club. Røkke, along with his business partner Bjørn Rune Gjelsten, also bought into Wimbledon Football Club in the late 1990s, becoming a joint owner of the team in 2000. The following year, with the side homeless since leaving their Plough Lane ground in 1991 and playing at Crystal Palace's Selhurst Park stadium in Croydon, southeast London, Røkke and Gjelsten, along with chairman Charles Koppel and businessman Pete Winkelman agreed to relocate the team from London to Milton
Charlton Athletic F.C. rivals are Millwall and Crystal Palace. The rivalry with Crystal Palace grew substantially in the mid-1980s, when the Addicks left their traditional home at The Valley because of safety concerns and played their home fixtures at The Eagles' Selhurst Park stadium. The ground-sharing arrangement – although seen by Crystal Palace chairman Ron Noades as essential for the future of football – was unpopular with both sets of fans. Indeed, the Charlton fans campaigned for a return to The Valley throughout the club's time at Selhurst Park. Charlton left Selhurst Park in 1991, and the rivalry between the teams once again