The Nairobi derby, commonly known as the Mashemeji derby, or Ingo-Dala derby, is the name of the local derby between two major association football teams in Nairobi: A.F.C. Leopards and Gor Mahia. It is the oldest rivalry in Kenyan football history. Fans of both A.F.C. Leopards and Gor Mahia (often referred to by their nicknames, Ingwe and K'Ogalo, respectively) recognize each other as arch-rivals. Gor Mahia has won the Kenyan Premier League a record 18 times, while A.F.C. Leopards have 12 league titles to their name as at 2019.