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
Puget Sound Senior Baseball League Puget Sound Senior Baseball League The Puget Sound Senior Baseball League (PSSBL) is a non-profit 501(c)7 adult baseball organization, which started in 1989 for adults (ages 19–70+) who wanted to "play baseball. The league started in 1989 with only 4 teams. By 1999, the PSSBL grew to 29 teams. The league is affiliated with MSBL/MABL, the national organization which spearheaded the adult baseball movement in the 1980s. The PSSBL has approximately 1,100 players forming 71 teams in 9 divisions. The divisions are organized based on age and skill level, ranging from competitive to recreational. 2018 marks the PSSBL’s 30th season