1998 Major League Baseball expansion 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 the Tampa Bay Devil Rays (currently the Tampa Bay Rays), would subsequently begin play for the 1998 season. With the successes of
Timeline of Negro league baseball teams and leagues. The two thick black lines represent the formation of organized league play in 1920 and the integration of Major League Baseball in 1946. After integration, the level of play deteriorated rapidly and dramatically. By 1950 all teams were considered to be of minor league status. Timeline of Negro league baseball teams The following is a timeline of the evolution of major-league-caliber franchises in Negro league baseball. The franchises included are those of high-caliber independent teams prior to the organization of formal league play in 1920 and concludes with the dissolution of the remnant of the last major Negro