Arena Football League on ESPN ended in 2008.
Arena Football League ended in 2009.
ESPN Sunday Night Football ended on 2006-01-01.
Denver Dynamite - arena football - ended in 1991.
I found mine by going to my league's home office, then looking at the address bar lol. And there it was at the very end of the address.
AFL is the Arena Football League. Two examples of AFL football etiquette include not fighting with the referee and shaking hands at the end of the game.
New York Knights - arena football - ended in 1988.
Continental Football League ended in 1969.
Intense Football League ended in 2008.
Football League Extra ended in 2004.
World Football League ended in 1975.
Enterprise Football League ended in 2009.
Lancashire League - football - ended in 1903.