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September 27, 1940: Tigers clinch American League pennant behind Floyd Giebell

October 1, 1944: Finally, the Browns! St. Louis captures first American League pennant

September 13, 1946: Ted Williams’s inside-the-park home run clinches AL pennant for Red Sox

Murry Dickson

October 3, 1946: Cardinals finish tiebreaker sweep, advance to the World Series

September 26, 1948: Boston Braves win National League pennant

October 4, 1948: Rookie Bearden wins 20th, Boudreau homers twice as Indians win pennant in AL tiebreaker

October 2, 1949: Yankees come out on top in winner-take-all contest

October 1, 1950: Dick Sisler’s 10th-inning home run clinches Phillies’ pennant on the last day of the season

October 3, 1951: The Giants Win The Pennant!

1952 Dodgers Pennant

September 23, 1952: Dodgers clinch National League pennant

September 18, 1956: Mickey Mantle belts 50th homer as Yankees clinch AL pennant

September 30, 1956: Brooklyn Dodgers win NL pennant on final day of season

September 23, 1957: Hank Aaron’s walk-off home run gives Milwaukee Braves the flag

Henry Aaron (THE TOPPS COMPANY)

September 21, 1958: Milwaukee Braves clinch second consecutive National League pennant

September 22, 1959: White Sox clinch first American League pennant in 40 years

September 29, 1959: Surprising Dodgers win their first pennant on the West Coast

September 20, 1961: Roger Maris hits 59th home run as Yankees clinch pennant

September 26, 1961: Cincinnati Reds clinch first NL pennant in 21 years

Willie Mays (NATIONAL BASEBALL HALL OF FAME LIBRARY)

October 3, 1962: The Giants Win the Pennant, Part Two!

October 4, 1964: Cards finally get best of Mets to clinch NL pennant

September 26, 1965: A pennant for the Twins

October 2, 1965: On two days’ rest, Sandy Koufax sends Dodgers to World Series

Jim Palmer (TRADING CARD DB)

September 22, 1966: Jim Palmer strikes out 8 as Orioles clinch American League pennant

October 1, 1967: Tigers drop season finale to give Red Sox the AL pennant

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