Arizona Summer was created in 2003.
Arizona League was created in 1989.
Arizona League Padres was created in 1988.
Arizona League Rockies was created in 1993.
Arizona League Cubs was created in 1997.
Arizona Fall League was created in 1992.
Arizona Winter League was created in 2007.
Arizona League Royals was created in 1969.
Arizona League Mariners was created in 1989.
Arizona League Dodgers was created in 1983.
Arizona League Athletics was created in 1988.
Arizona League Brewers was created in 1988.