Chelsea Football Club is a professional association football club based in Fulham, London. Founded in 1905, they were elected to play in The Football League as members of the Second Division. They were promoted into the First Division in the club's second season. Chelsea remained in the Football League, in the First or Second division, until 1992 when clubs in the First Division broke away from The Football League to form the Premier League. The club has remained in the top division of the English football league system since 1989. In their latest spell in the Second Division Chelsea achieved their highest points total achieving 99 in the 1988–89 season. As of the 2017–18 season, the club holds the records for the most clean sheets in a single Premier League season with 25 in 2004–05. Chel