1980 Eastern League season
The Eastern League season [|began] on approximately April 1 and the regular season ended on approximately September 1.
The Holyoke Millers defeated the Waterbury Reds two games to one to win the Eastern League Championship Series.Standings
Notes:
Playoffs
Holyoke Millers defeated Buffalo Bisons 2 games to 0.
Waterbury Reds defeated Reading Phillies 2 games to 0.[|Championship Series]
defeated Waterbury Reds 2 games to 1.Attendance