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
Baseball in the United States own. Some limited independent professional baseball exists, the most prominent being the Atlantic League, which occupies mostly suburban locales that are not eligible for high level minor league teams of their own. Outside the minor leagues are collegiate summer baseball leagues, which occupy towns even smaller than those at the lower end of minor league baseball and typically cannot support professional sports. Summer baseball is an amateur exercise and uses players that choose not to play for payment in order to remain eligible to play college baseball for their respective universities in the spring. At the absolute lowest end of