Professional sports teams in Arizona Professional sports teams in Arizona Arizona has four Major League sports teams, all within the Phoenix metropolitan area, plus a professional WNBA team. The Arizona Diamondbacks are a professional baseball team based in Phoenix, Arizona. They play their home games at Chase Field. They were founded in 1998 as an expansion team in the National League's West Division of the MLB. They became the fastest expansion team to win a World Series title (four seasons) when they beat three-time defending champ the New York Yankees in 2001. The Phoenix Suns play in the NBA's Pacific Division and are the only
Amateur baseball in the United States Amateur Baseball Federation (NABF), PONY baseball, Major League Baseball's Reviving Baseball in Inner Cities (RBI), and at-large teams from USA Baseball (the governing body of amateur baseball). School baseball is played throughout the United States. High schools often have freshman, junior-varsity, and varsity teams. Some middle schools offer baseball programs. In the 2014-15 season, 486,567 boys and 1,203 girls played baseball at the National Federation of State High School Associations. American Legion Baseball is popular with junior-high- and senior-high-school students from ages 13 to 19. American Legion also provides regional, state, and national playoffs. College baseball players, especially professional prospects,