American football in the United States the Fall Experimental Football League played two seasons in 2014 and 2015). Two professional football leagues are pending launch: the Alliance of American Football is scheduled to debut in February 2019, while the XFL, a revamp of a league of the same name that played one season in 2001, is set to return in February 2020. There are several professional indoor football leagues, played at basketball-sized arenas. The oldest one is the Arena Football League, which had several teams co-owned by several NFL owners but is officially independent from the NFL. Indoor football leagues play by significantly different rules that
American football in the United Kingdom American football in the United Kingdom The sport of American football is played in the United Kingdom on both a domestic level and with international representation. The UK has also played host to various different American football games in association with the American National Football League (NFL), including (as of 2015) three regular-season NFL games. The first game of organised American football to be played in the UK was scheduled to be between US Navy servicemen from the USS "Idaho" on November 23, 1910, in a match sponsored by the "Daily Mirror" known as the Silver Cup. However, after the