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
Baseball in the United States the organized baseball system is senior amateur baseball (also known as Town Team Baseball), which typically plays its games only on weekends. Major League Baseball (MLB) is a professional baseball organization that is the oldest of the four major professional sports leagues in the United States and Canada. A total of 30 teams now play in the American League (AL) and National League (NL), with 15 teams in each league. The AL and NL operated as separate legal entities from 1901 and 1876 respectively. After cooperating but remaining legally separate entities since 1903, in 2000 the leagues merged into a