American League Pennant Past Winners
AL Pennant Winners 1901 to 1968 |
| Season | Winner | Manager | Games Won | Games Lost | Win Pct |
| 1968 | Detroit Tigers | Mayo Smith | 103 | 59 | .636 |
| 1967 | Boston Red Sox | Dick Williams | 92 | 70 | .568 |
| 1966 | Baltimore Orioles | Hank Bauer | 97 | 63 | .606 |
| 1965 | Minnesota Twins | Sam Mele | 102 | 60 | .630 |
| 1964 | New York Yankees | Yogi Berra | 99 | 63 | .611 |
| 1963 | New York Yankees | Ralph Houk | 104 | 57 | .646 |
| 1962 | New York Yankees | Ralph Houk | 96 | 66 | .593 |
| 1961 | New York Yankees | Ralph Houk | 109 | 53 | .673 |
| 1960 | New York Yankees | Casey Stengel | 97 | 57 | .630 |
| 1959 | Chicago White Sox | Al Lopez | 94 | 60 | .610 |
| 1958 | New York Yankees | Casey Stengel | 92 | 62 | .597 |
| 1957 | New York Yankees | Casey Stengel | 98 | 56 | .636 |
| 1956 | New York Yankees | Casey Stengel | 97 | 57 | .630 |
| 1955 | New York Yankees | Casey Stengel | 96 | 58 | .623 |
| 1954 | Cleveland Indians | Al Lopez | 111 | 43 | .721 |
| 1953 | New York Yankees | Casey Stengel | 99 | 52 | .656 |
| 1952 | New York Yankees | Casey Stengel | 95 | 59 | .617 |
| 1951 | New York Yankees | Casey Stengel | 98 | 56 | .636 |
| 1950 | New York Yankees | Casey Stengel | 98 | 56 | .636 |
| 1949 | New York Yankees | Casey Stengel | 97 | 57 | .630 |
| 1948 | Cleveland Indians | Lou Boudreau | 97 | 58 | .626 |
| 1947 | New York Yankees | Bucky Harris | 97 | 57 | .630 |
| 1946 | Boston Red Sox | Joe Cronin | 104 | 50 | .675 |
| 1945 | Detroit Tigers | Steve O'Neill | 88 | 65 | .575 |
| 1944 | St Louis Browns | Luke Sewell | 89 | 65 | .578 |
| 1943 | New York Yankees | Joe McCarthy | 98 | 56 | .636 |
| 1942 | New York Yankees | Joe McCarthy | 103 | 51 | .669 |
| 1941 | New York Yankees | Joe McCarthy | 101 | 53 | .656 |
| 1940 | Detroit Tigers | Del Baker | 90 | 64 | .584 |
| 1939 | New York Yankees | Joe McCarthy | 106 | 45 | .702 |
| 1938 | New York Yankees | Joe McCarthy | 99 | 53 | .651 |
| 1937 | New York Yankees | Joe McCarthy | 102 | 52 | .662 |
| 1936 | New York Yankees | Joe McCarthy | 102 | 51 | .667 |
| 1935 | Detroit Tigers | Mickey Cochrane | 93 | 58 | .616 |
| 1934 | Detroit Tigers | Mickey Cochrane | 101 | 53 | .656 |
| 1933 | Washington Nationals | Joe Cronin | 99 | 53 | .651 |
| 1932 | New York Yankees | Joe McCarthy | 107 | 47 | .695 |
| 1931 | Philadelphia Athletics | Connie Mack | 107 | 45 | .704 |
| 1930 | Philadelphia Athletics | Connie Mack | 102 | 52 | .662 |
| 1929 | Philadelphia Athletics | Connie Mack | 104 | 46 | .693 |
| 1928 | New York Yankees | Miller Huggins | 101 | 53 | .656 |
| 1927 | New York Yankees | Miller Huggins | 110 | 44 | .714 |
| 1926 | New York Yankees | Miller Huggins | 91 | 63 | .591 |
| 1925 | Washington Nationals | Bucky Harris | 96 | 55 | .636 |
| 1924 | Washington Nationals | Bucky Harris | 92 | 62 | .597 |
| 1923 | New York Yankees | Miller Huggins | 98 | 54 | .645 |
| 1922 | New York Yankees | Miller Huggins | 94 | 60 | .610 |
| 1921 | New York Yankees | Miller Huggins | 98 | 55 | .641 |
| 1920 | Cleveland Indians | Tris Speaker | 98 | 56 | .636 |
| 1919 | Chicago White Sox | Kid Gleason | 88 | 52 | .629 |
| 1918 | Boston Red Sox | Ed Barrow | 75 | 51 | .595 |
| 1917 | Chicago White Sox | Pants Rowland | 100 | 54 | .649 |
| 1916 | Boston Red Sox | Bill Carrigan | 91 | 63 | .591 |
| 1915 | Boston Red Sox | Bill Carrigan | 101 | 50 | .669 |
| 1914 | Philadelphia Athletics | Connie Mack | 99 | 53 | .651 |
| 1913 | Philadelphia Athletics | Connie Mack | 96 | 57 | .627 |
| 1912 | Boston Red Sox | Jake Stahl | 105 | 47 | .691 |
| 1911 | Philadelphia Athletics | Connie Mack | 101 | 50 | .669 |
| 1910 | Philadelphia Athletics | Connie Mack | 102 | 48 | .680 |
| 1909 | Detroit Tigers | Hugh Jennings | 98 | 54 | .645 |
| 1908 | Detroit Tigers | Hugh Jennings | 90 | 63 | .588 |
| 1907 | Detroit Tigers | Hugh Jennings | 92 | 58 | .613 |
| 1906 | Chicago White Sox | Fielder Jones | 93 | 58 | .616 |
| 1905 | Philadelphia Athletics | Connie Mack | 92 | 56 | .622 |
| 1904 | Boston Americans | Jimmy Collins | 95 | 59 | .617 |
| 1903 | Boston Americans | Jimmy Collins | 91 | 47 | .659 |
| 1902 | Philadelphia Athletics | Connie Mack | 83 | 53 | .610 |
| 1901 | Chicago White Sox | Clark Griffith | 83 | 53 | .610 |