1980s baseball seasons

260 team seasons across 10 years.

1989

Atlanta Braves — 46 players
Baltimore Orioles — 40 players
Boston Red Sox — 35 players
California Angels — 37 players
Chicago Cubs — 36 players
Chicago White Sox — 42 players
Cincinnati Reds — 41 players
Cleveland Indians — 47 players
Detroit Tigers — 46 players
Houston Astros — 37 players
Kansas City Royals — 36 players
Los Angeles Dodgers — 40 players
Milwaukee Brewers — 40 players
Minnesota Twins — 43 players
Montreal Expos — 39 players
New York Mets — 42 players
New York Yankees — 49 players
Oakland Athletics — 41 players
Philadelphia Phillies — 48 players
Pittsburgh Pirates — 45 players
San Diego Padres — 40 players
San Francisco Giants — 45 players
Seattle Mariners — 40 players
St. Louis Cardinals — 33 players
Texas Rangers — 41 players
Toronto Blue Jays — 43 players

1988

Atlanta Braves — 40 players
Baltimore Orioles — 43 players
Boston Red Sox — 37 players
California Angels — 44 players
Chicago Cubs — 39 players
Chicago White Sox — 44 players
Cincinnati Reds — 45 players
Cleveland Indians — 44 players
Detroit Tigers — 37 players
Houston Astros — 39 players
Kansas City Royals — 41 players
Los Angeles Dodgers — 38 players
Milwaukee Brewers — 35 players
Minnesota Twins — 41 players
Montreal Expos — 40 players
New York Mets — 32 players
New York Yankees — 41 players
Oakland Athletics — 35 players
Philadelphia Phillies — 43 players
Pittsburgh Pirates — 41 players
San Diego Padres — 35 players
San Francisco Giants — 43 players
Seattle Mariners — 40 players
St. Louis Cardinals — 41 players
Texas Rangers — 41 players
Toronto Blue Jays — 35 players

1987

Atlanta Braves — 41 players
Baltimore Orioles — 40 players
Boston Red Sox — 35 players
California Angels — 37 players
Chicago Cubs — 36 players
Chicago White Sox — 36 players
Cincinnati Reds — 37 players
Cleveland Indians — 43 players
Detroit Tigers — 37 players
Houston Astros — 43 players
Kansas City Royals — 38 players
Los Angeles Dodgers — 47 players
Milwaukee Brewers — 37 players
Minnesota Twins — 36 players
Montreal Expos — 41 players
New York Mets — 39 players
New York Yankees — 48 players
Oakland Athletics — 45 players
Philadelphia Phillies — 38 players
Pittsburgh Pirates — 49 players
San Diego Padres — 39 players
San Francisco Giants — 46 players
Seattle Mariners — 41 players
St. Louis Cardinals — 39 players
Texas Rangers — 39 players
Toronto Blue Jays — 38 players

1986

Atlanta Braves — 36 players
Baltimore Orioles — 41 players
Boston Red Sox — 38 players
California Angels — 38 players
Chicago Cubs — 39 players
Chicago White Sox — 47 players
Cincinnati Reds — 34 players
Cleveland Indians — 36 players
Detroit Tigers — 40 players
Houston Astros — 41 players
Kansas City Royals — 36 players
Los Angeles Dodgers — 38 players
Milwaukee Brewers — 39 players
Minnesota Twins — 38 players
Montreal Expos — 43 players
New York Mets — 36 players
New York Yankees — 43 players
Oakland Athletics — 44 players
Philadelphia Phillies — 41 players
Pittsburgh Pirates — 40 players
San Diego Padres — 39 players
San Francisco Giants — 40 players
Seattle Mariners — 40 players
St. Louis Cardinals — 38 players
Texas Rangers — 37 players
Toronto Blue Jays — 36 players

1985

Atlanta Braves — 33 players
Baltimore Orioles — 38 players
Boston Red Sox — 36 players
California Angels — 41 players
Chicago Cubs — 40 players
Chicago White Sox — 42 players
Cincinnati Reds — 37 players
Cleveland Indians — 38 players
Detroit Tigers — 36 players
Houston Astros — 38 players
Kansas City Royals — 35 players
Los Angeles Dodgers — 40 players
Milwaukee Brewers — 39 players
Minnesota Twins — 36 players
Montreal Expos — 44 players
New York Mets — 38 players
New York Yankees — 39 players
Oakland Athletics — 36 players
Philadelphia Phillies — 37 players
Pittsburgh Pirates — 43 players
San Diego Padres — 33 players
San Francisco Giants — 36 players
Seattle Mariners — 42 players
St. Louis Cardinals — 37 players
Texas Rangers — 43 players
Toronto Blue Jays — 40 players

1984

Atlanta Braves — 38 players
Baltimore Orioles — 37 players
Boston Red Sox — 33 players
California Angels — 37 players
Chicago Cubs — 40 players
Chicago White Sox — 40 players
Cincinnati Reds — 43 players
Cleveland Indians — 40 players
Detroit Tigers — 35 players
Houston Astros — 36 players
Kansas City Royals — 36 players
Los Angeles Dodgers — 37 players
Milwaukee Brewers — 36 players
Minnesota Twins — 39 players
Montreal Expos — 43 players
New York Mets — 40 players
New York Yankees — 41 players
Oakland Athletics — 37 players
Philadelphia Phillies — 39 players
Pittsburgh Pirates — 37 players
San Diego Padres — 31 players
San Francisco Giants — 39 players
Seattle Mariners — 40 players
St. Louis Cardinals — 41 players
Texas Rangers — 35 players
Toronto Blue Jays — 33 players

1983

Atlanta Braves — 40 players
Baltimore Orioles — 37 players
Boston Red Sox — 31 players
California Angels — 39 players
Chicago Cubs — 43 players
Chicago White Sox — 39 players
Cincinnati Reds — 35 players
Cleveland Indians — 40 players
Detroit Tigers — 39 players
Houston Astros — 33 players
Kansas City Royals — 38 players
Los Angeles Dodgers — 40 players
Milwaukee Brewers — 35 players
Minnesota Twins — 35 players
Montreal Expos — 41 players
New York Mets — 40 players
New York Yankees — 40 players
Oakland Athletics — 43 players
Philadelphia Phillies — 44 players
Pittsburgh Pirates — 38 players
San Diego Padres — 41 players
San Francisco Giants — 39 players
Seattle Mariners — 41 players
St. Louis Cardinals — 42 players
Texas Rangers — 37 players
Toronto Blue Jays — 33 players

1982

Atlanta Braves — 39 players
Baltimore Orioles — 34 players
Boston Red Sox — 33 players
California Angels — 37 players
Chicago Cubs — 37 players
Chicago White Sox — 39 players
Cincinnati Reds — 33 players
Cleveland Indians — 36 players
Detroit Tigers — 39 players
Houston Astros — 38 players
Kansas City Royals — 40 players
Los Angeles Dodgers — 39 players
Milwaukee Brewers — 33 players
Minnesota Twins — 39 players
Montreal Expos — 42 players
New York Mets — 40 players
New York Yankees — 47 players
Oakland Athletics — 43 players
Philadelphia Phillies — 37 players
Pittsburgh Pirates — 43 players
San Diego Padres — 38 players
San Francisco Giants — 37 players
Seattle Mariners — 40 players
St. Louis Cardinals — 33 players
Texas Rangers — 40 players
Toronto Blue Jays — 36 players

1981

Atlanta Braves — 40 players
Baltimore Orioles — 34 players
Boston Red Sox — 32 players
California Angels — 37 players
Chicago Cubs — 39 players
Chicago White Sox — 34 players
Cincinnati Reds — 33 players
Cleveland Indians — 33 players
Detroit Tigers — 33 players
Houston Astros — 37 players
Kansas City Royals — 35 players
Los Angeles Dodgers — 37 players
Milwaukee Brewers — 33 players
Minnesota Twins — 38 players
Montreal Expos — 43 players
New York Mets — 38 players
New York Yankees — 39 players
Oakland Athletics — 40 players
Philadelphia Phillies — 36 players
Pittsburgh Pirates — 37 players
San Diego Padres — 34 players
San Francisco Giants — 35 players
Seattle Mariners — 37 players
St. Louis Cardinals — 35 players
Texas Rangers — 37 players
Toronto Blue Jays — 34 players

1980

Atlanta Braves — 32 players
Baltimore Orioles — 34 players
Boston Red Sox — 43 players
California Angels — 41 players
Chicago Cubs — 34 players
Chicago White Sox — 39 players
Cincinnati Reds — 34 players
Cleveland Indians — 33 players
Detroit Tigers — 34 players
Houston Astros — 33 players
Kansas City Royals — 37 players
Los Angeles Dodgers — 35 players
Milwaukee Brewers — 33 players
Minnesota Twins — 36 players
Montreal Expos — 37 players
New York Mets — 40 players
New York Yankees — 39 players
Oakland Athletics — 34 players
Philadelphia Phillies — 39 players
Pittsburgh Pirates — 37 players
San Diego Padres — 36 players
San Francisco Giants — 38 players
Seattle Mariners — 34 players
St. Louis Cardinals — 42 players
Texas Rangers — 41 players
Toronto Blue Jays — 37 players