Nicknamed "The Invicincibles", this professional football club is the only English club to do what?
Arsenal F.C. Arsenal Football Club is a professional football club based in Highbury, London, England, that plays in the Premier League, the top flight of English football. The club has won 13 League titles, a record 13 FA Cups, two League Cups, the League Centenary Trophy, 15 FA Community Shields, one UEFA Cup Winners' Cup and one Inter-Cities Fairs Cup. It has won the second-most top flight matches in English football history, and is the only English club to go a 38-match league season unbeaten.
Mossley A.F.C. Mossley Association Football Club is a football club in Mossley, Greater Manchester, England, who play in the Northern Premier League Division One North. They were founded in 1903 and are nicknamed "the Lilywhites" after their colours (white shirts, black shorts and white stockings). They play at Seel Park. In The 2015/16 season they won the Frank Hannah Manchester County Cup.