BOLD indicates the team has been taken...
1931:St. Louis Cardinals, New York Yankees, Philadelphia Athletics, Washington Senators
1930:St. Louis Cardinals, Chicago Cubs, Philadelphia Athletics, Washington Senators
1929:Chicago Cubs, Pittsburgh Pirates, Philadelphia Athletics, New York Yankees
1928:St. Louis Cardinals, New York Giants, Philadelphia Athletics, New York Yanees
1927:St. Louis Cardinals, Pittsburgh Pirates, New York Giants, New York Yankees
1926:St. Louis Cardinals, Cincinnati Reds, New York Yankees, Cleveland Indians
1925:Pittsburgh Pirates, New York Giants, Washington Senators, Philadelphia Athletics
1924:New York Giants, Brooklyn Robins, Pittsburgh Pirates, Washington Senators
1923:New York Giants, Cincinnati Reds, Pittsburgh Pirates, New York Yankees
1922:New York Giants, Cincinnati Reds, New York Yankees, St. Louis Browns
1921:New York Giants, Pittsburgh Pirates, New York Yankees, Cleveland Indians
1920:Brooklyn Robins, Cleveland Indians, Chicago White Sox, New York Yankees
1919:Cincinnati Reds, New York Giants, Chicago White Sox, Cleveland Indians
1918:Chicago Cubs, New York Giants, Boston Red Sox, Cleveland Indians
1917:New York Giants, Philadelphia Phillies, Chicago White Sox, Boston Red Sox
1916:Brooklyn Robins, Philadelphia Phillies, Boston Braves, Boston Red Sox
1915:Philadelphia Phillies, Boston Red Sox, Detroit Tigers, Chicago White Sox
1914:Boston Braves, New York Giants, Philadelphia Athletics, Boston Red Sox
1913:New York Giants, Philadelphia Phillies, Philadelphia Athletics, Washington Senators
1912:New York Giants, Pittsburgh Pirates, Chicago Cubs, Boston Red Sox
1911:New York Giants, Chicago Cubs, Philadelphia Athletics, Detroit Tigers
1910:Chicago Cubs, New York Giants, Philadelphia Athletics, New York Highlanders
1909:Pittsburgh Pirates, Chicago Cubs, Detroit Tigers, Philadelphia Athletics
1908:New York Giants, Pittsburgh Pirates, Chicago Cubs, Detroit Tigers
1907:Chicago Cubs, Pittsburgh Pirates, Detroit Tigers, Philadelphia Athletics
1906:New York Giants, Pittsburgh Pirates, Chicago Cubs, Chicago White Sox
1905:New York Giants, Pittsburgh Pirates, Philadelphia Athletics, Chicago White Sox
1904:New York Giants, Chicago Cubs, Boston Americans, New York Highlanders
1903:New York Giants, Pittsburgh Pirates, Chicago Cubs, Boston Americans
1902:Pittsburgh Pirates, Philadelphia Athletics, St. Louis Browns, Boston Americans