Sports in Phoenix mirroring the major league teams which play in the Cactus League. The only two Cactus League teams which do not have a rookie league team playing in Phoenix are the Kansas City Royals and the Colorado Rockies. The Arizona Fall League is an off-season league run by Major League Baseball, and consists of six teams made up of some of the most talented minor league players in baseball. Unlike baseball's minor leagues, like AAA teams, the teams are not affiliated with a single major-league team. Each of the six teams is affiliated with five major league teams, all of which
Negro league baseball black baseball, there were only seven leagues that are considered to be of the top quality of play at the time of their existence. None materialized prior to 1920 and by 1950, due to integration, they were in decline. Even though teams were league members, most still continued to barnstorm and play non-league games against local or semi-pro teams. Those games, sometimes approaching 100 per season, did not count in the official standings or statistics. However, some teams were considered "associate" teams and games played against them did count, but an associate team held no place in the league standings.