Previously, we’ve looked at the most recent time I’ve seen each of the 30 major league baseball teams play.  Three weeks into the 2026 season, I thought it would be worth going into the wayback machine and see when the first time was that I saw each team live and in person, to the best of my knowledge.  My records only go back to 1984, so anything before that is as yet unidentified.

Breaking it down by decade, we have twelve teams I saw originally during the 80s, eleven in the 90s, and the remaining seven came in the 2000s.  For franchises that have moved, I have lumped them all together.

Earliest Game

Team Name	Year
Texas Rangers	8/14/1984
Chicago White Sox	8/14/1984
Toronto Blue Jays	8/30/1984
Boston Red Sox	4/19/1985
San Diego Padres	7/8/1985
Chicago Cubs	7/8/1985
Baltimore Orioles	7/26/1985
New York Mets	8/4/1985
Kansas City Royals	8/20/1985
Cleveland Indians/Guardians	7/16/1987
Seattle Mariners	9/18/1987
California/Anaheim/Los Angeles Angels	7/28/1988
Detroit Tigers	4/20/1991
Milwaukee Brewers	7/18/1993
Pittsburgh Pirates	8/2/1993
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