Asked in Baseball, Baseball History, Baseball Equipment
When did baseball become known as Major League Baseball?
The first major league in baseball was the National Association whose first year was 1871. ...
When did the Arizona Diamondbacks join Major League Baseball?
They joined at the end of the season in 1997 but didn't play until 1998.
When did Major League Baseball change to 30 teams?
MLB went to 30 teams in 1998 with the addition of the Tampa Bay Rays and Arizona Diamondbacks. ...