1998 Major League Baseball expansion the American League. Following that transaction, MLB consequently altered its season structure so as to include interleague play throughout the regular season. 1998 Major League Baseball expansion The 1998 Major League Baseball expansion resulted in the establishment of Major League Baseball (MLB)'s 29th and 30th teams beginning play for the 1998 season. After initiating an expansion committee in March 1994, 27 groups representing nine cities submitted bids for the proposed expansion teams. After a yearlong process, on March 9, 1995, the league awarded the National League franchise to Phoenix and the American League franchise to Tampa. The Arizona Diamondbacks and
Pacific West Baseball League will be a season ending championship series to crown the PWBL champion during the last week of July and first week of August. The PWBL comprised 10 teams throughout Northern California and Western Nevada. The league folded in 2012 and led to the creation of the Golden State Collegiate Baseball League, where many of the below teams play today. American Division National Division Pacific West Baseball League The Pacific West Baseball League (PWBL) was a 10-team, wooden bat collegiate summer baseball league founded in 2009. It was a showcase for top college-level players, giving professional baseball scouts a chance to