1920s
| Year | American League Champion | National League Champion | World Series Champion |
|---|---|---|---|
| 1920 | Cleveland Indians | Brooklyn Dodgers | Cleveland Indians (5-2) |
| 1921 | New York Yankees | New York Giants | New York Giants (5-3) |
| 1922 | New York Yankees | New York Giants | New York Giants (4-0) |
| 1923 | New York Yankees | New York Giants | New York Yankees (4-2) |
| 1924 | Washington Senators | New York Giants | Washington Senators (4-3) |
| 1925 | Washington Senators | Pittsburgh Pirates | Pittsburgh Pirates (4-3) |
| 1926 | New York Yankees | St. Louis Cardinals | St. Louis Cardinals (4-3) |
| 1927 | New York Yankees | Pittsburgh Pirates | New York Yankees (4-0) |
| 1928 | New York Yankees | St. Louis Cardinals | New York Yankees (4-0) |
| 1929 | Philadelphia Athletics | Chicago Cubs | Philadelphia Athletics (4-1) |
Read more about this topic: List Of Major League Baseball Seasons