1970s baseball seasons

246 team seasons across 10 years.

1979

Atlanta Braves — 38 players
Baltimore Orioles — 34 players
Boston Red Sox — 34 players
California Angels — 39 players
Chicago Cubs — 37 players
Chicago White Sox — 44 players
Cincinnati Reds — 35 players
Cleveland Indians — 33 players
Detroit Tigers — 41 players
Houston Astros — 40 players
Kansas City Royals — 38 players
Los Angeles Dodgers — 35 players
Milwaukee Brewers — 31 players
Minnesota Twins — 36 players
Montreal Expos — 34 players
New York Mets — 39 players
New York Yankees — 47 players
Oakland Athletics — 33 players
Philadelphia Phillies — 38 players
Pittsburgh Pirates — 34 players
San Diego Padres — 35 players
San Francisco Giants — 36 players
Seattle Mariners — 35 players
St. Louis Cardinals — 37 players
Texas Rangers — 39 players
Toronto Blue Jays — 39 players

1978

Atlanta Braves — 42 players
Baltimore Orioles — 33 players
Boston Red Sox — 31 players
California Angels — 32 players
Chicago Cubs — 39 players
Chicago White Sox — 43 players
Cincinnati Reds — 35 players
Cleveland Indians — 36 players
Detroit Tigers — 34 players
Houston Astros — 39 players
Kansas City Royals — 38 players
Los Angeles Dodgers — 38 players
Milwaukee Brewers — 35 players
Minnesota Twins — 33 players
Montreal Expos — 36 players
New York Mets — 36 players
New York Yankees — 41 players
Oakland Athletics — 46 players
Philadelphia Phillies — 37 players
Pittsburgh Pirates — 37 players
San Diego Padres — 38 players
San Francisco Giants — 34 players
Seattle Mariners — 34 players
St. Louis Cardinals — 39 players
Texas Rangers — 37 players
Toronto Blue Jays — 37 players

1977

Atlanta Braves — 42 players
Baltimore Orioles — 38 players
Boston Red Sox — 38 players
California Angels — 44 players
Chicago Cubs — 35 players
Chicago White Sox — 45 players
Cincinnati Reds — 37 players
Cleveland Indians — 33 players
Detroit Tigers — 38 players
Houston Astros — 37 players
Kansas City Royals — 33 players
Los Angeles Dodgers — 37 players
Milwaukee Brewers — 36 players
Minnesota Twins — 36 players
Montreal Expos — 37 players
New York Mets — 40 players
New York Yankees — 36 players
Oakland Athletics — 40 players
Philadelphia Phillies — 36 players
Pittsburgh Pirates — 36 players
San Diego Padres — 35 players
San Francisco Giants — 33 players
Seattle Mariners — 43 players
St. Louis Cardinals — 40 players
Texas Rangers — 42 players
Toronto Blue Jays — 36 players

1976

Atlanta Braves — 43 players
Baltimore Orioles — 37 players
Boston Red Sox — 34 players
California Angels — 42 players
Chicago Cubs — 39 players
Chicago White Sox — 42 players
Cincinnati Reds — 29 players
Cleveland Indians — 34 players
Detroit Tigers — 33 players
Houston Astros — 36 players
Kansas City Royals — 37 players
Los Angeles Dodgers — 37 players
Milwaukee Brewers — 41 players
Minnesota Twins — 31 players
Montreal Expos — 47 players
New York Mets — 37 players
New York Yankees — 40 players
Oakland Athletics — 38 players
Philadelphia Phillies — 32 players
Pittsburgh Pirates — 31 players
San Diego Padres — 36 players
San Francisco Giants — 36 players
St. Louis Cardinals — 40 players
Texas Rangers — 36 players

1975

Atlanta Braves — 40 players
Baltimore Orioles — 34 players
Boston Red Sox — 37 players
California Angels — 48 players
Chicago Cubs — 39 players
Chicago White Sox — 40 players
Cincinnati Reds — 29 players
Cleveland Indians — 41 players
Detroit Tigers — 38 players
Houston Astros — 35 players
Kansas City Royals — 32 players
Los Angeles Dodgers — 37 players
Milwaukee Brewers — 36 players
Minnesota Twins — 35 players
Montreal Expos — 38 players
New York Mets — 37 players
New York Yankees — 37 players
Oakland Athletics — 42 players
Philadelphia Phillies — 39 players
Pittsburgh Pirates — 34 players
San Diego Padres — 38 players
San Francisco Giants — 38 players
St. Louis Cardinals — 44 players
Texas Rangers — 39 players

1974

Atlanta Braves — 36 players
Baltimore Orioles — 32 players
Boston Red Sox — 37 players
California Angels — 45 players
Chicago Cubs — 38 players
Chicago White Sox — 40 players
Cincinnati Reds — 35 players
Cleveland Indians — 45 players
Detroit Tigers — 37 players
Houston Astros — 35 players
Kansas City Royals — 34 players
Los Angeles Dodgers — 35 players
Milwaukee Brewers — 36 players
Minnesota Twins — 32 players
Montreal Expos — 41 players
New York Mets — 37 players
New York Yankees — 44 players
Oakland Athletics — 36 players
Philadelphia Phillies — 40 players
Pittsburgh Pirates — 39 players
San Diego Padres — 43 players
San Francisco Giants — 35 players
St. Louis Cardinals — 43 players
Texas Rangers — 38 players

1973

Atlanta Braves — 43 players
Baltimore Orioles — 33 players
Boston Red Sox — 32 players
California Angels — 40 players
Chicago Cubs — 36 players
Chicago White Sox — 39 players
Cincinnati Reds — 36 players
Cleveland Indians — 35 players
Detroit Tigers — 39 players
Houston Astros — 39 players
Kansas City Royals — 39 players
Los Angeles Dodgers — 33 players
Milwaukee Brewers — 35 players
Minnesota Twins — 33 players
Montreal Expos — 41 players
New York Mets — 40 players
New York Yankees — 36 players
Oakland Athletics — 40 players
Philadelphia Phillies — 35 players
Pittsburgh Pirates — 36 players
San Diego Padres — 32 players
San Francisco Giants — 32 players
St. Louis Cardinals — 46 players
Texas Rangers — 42 players

1972

Atlanta Braves — 36 players
Baltimore Orioles — 32 players
Boston Red Sox — 39 players
California Angels — 40 players
Chicago Cubs — 41 players
Chicago White Sox — 40 players
Cincinnati Reds — 31 players
Cleveland Indians — 36 players
Detroit Tigers — 43 players
Houston Astros — 32 players
Kansas City Royals — 34 players
Los Angeles Dodgers — 36 players
Milwaukee Brewers — 35 players
Minnesota Twins — 33 players
Montreal Expos — 30 players
New York Mets — 34 players
New York Yankees — 36 players
Oakland Athletics — 47 players
Philadelphia Phillies — 38 players
Pittsburgh Pirates — 33 players
San Diego Padres — 41 players
San Francisco Giants — 36 players
St. Louis Cardinals — 47 players
Texas Rangers — 38 players

1971

Atlanta Braves — 35 players
Baltimore Orioles — 31 players
Boston Red Sox — 36 players
California Angels — 36 players
Chicago Cubs — 42 players
Chicago White Sox — 36 players
Cincinnati Reds — 35 players
Cleveland Indians — 37 players
Detroit Tigers — 38 players
Houston Astros — 36 players
Kansas City Royals — 35 players
Los Angeles Dodgers — 34 players
Milwaukee Brewers — 43 players
Minnesota Twins — 36 players
Montreal Expos — 33 players
New York Mets — 34 players
New York Yankees — 36 players
Oakland Athletics — 40 players
Philadelphia Phillies — 35 players
Pittsburgh Pirates — 35 players
San Diego Padres — 40 players
San Francisco Giants — 37 players
St. Louis Cardinals — 43 players
Washington Senators — 39 players

1970

Atlanta Braves — 37 players
Baltimore Orioles — 32 players
Boston Red Sox — 40 players
California Angels — 40 players
Chicago Cubs — 43 players
Chicago White Sox — 43 players
Cincinnati Reds — 33 players
Cleveland Indians — 36 players
Detroit Tigers — 35 players
Houston Astros — 38 players
Kansas City Royals — 38 players
Los Angeles Dodgers — 37 players
Milwaukee Brewers — 45 players
Minnesota Twins — 35 players
Montreal Expos — 40 players
New York Mets — 34 players
New York Yankees — 34 players
Oakland Athletics — 39 players
Philadelphia Phillies — 39 players
Pittsburgh Pirates — 39 players
San Diego Padres — 37 players
San Francisco Giants — 38 players
St. Louis Cardinals — 47 players
Washington Senators — 40 players