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
Cuban baseball league system Cuban baseball league system The Cuban baseball league system is not a single baseball league; rather it is a structure of leagues and series that are governed by the Baseball Federation of Cuba and culminate in national championships and the selection of the Cuba national baseball team. The players are professionals and play for the provinces in which they reside. All of the provinces in Cuba are represented by teams. The National Series generally runs from November through April with a schedule of 90 games per team in the regular season. The series is then followed by 3 playoff rounds