The Totteridge XI was created in 1897.
London XI was created in 1955.
Ebase Xi was created in 2002.
The Xi Effect was created in 1950.
Sigma Xi was created in 1886.
Theta Xi was created in 1864.
Police XI was created in 1977.
Virtual XI was created in 1998-02.
Kings XI Punjab was created in 2008.
XI Fighter Command was created in 1943.
Prime Minister's XI was created in 1951.
XI International Brigade was created in 1936.
The King of Fighters XI was created in 2005.