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
Baseball Challenge League compete for the league championship. Each team carries 27 players. Typically, players earn 150,000 yen (c. U.S. $2,000) per month, with another 50,000 yen in potential bonuses. The league imposes a 7.2 million yen (c. U.S. $60,600) salary limit for team managers. The BC League began play in 2007 as the Hokushinestu Baseball Challenge League. It originally consisted of four teams based in the Hokuriku region: the Ishikawa Million Stars, the Niigata Albirex Baseball Club, the Shinano Grandserows, and the Toyama Thunderbirds. In 2008 the league added two teams, Gunma Diamond Pegasus and the Fukui Miracle Elephants, and split into