Franchise Timeline
1985
Aug. 8: Major League Baseball's new basic agreement permits the National League to expand by two teams to match the American League's 14.
1987
Oct. 31: U.S. Senators from eight states, including Florida, announce they have formed a congressional task force to investigate baseball expansion.
1989
June 15: Major League Baseball says it will announce a timetable for NL expansion within ninety days of the completion of a new basic agreement between the players and owners.