Which MLB teams have won back-to-back World Series titles?

Winning a World Series requires a team to power through 162 regular-season games in a span of about 180 days and leave enough fuel to excel in the postseason.

Since the first World Series in 1903, no team has been more successful than the New York Yankees. The Yankees have also won the most consecutive World Series titles. Here's a look at the MLB teams that have won back-to-back World Series championships.

New York Yankees

1998, 1999, 2000

1977, 1978

1961, 1962

1949, 1950, 1951, 1952, 1953

1936, 1937, 1938, 1939

1927, 1928

Athletics

Oakland Athletics

1972, 1973, 1974

Philadelphia Athletics

1929, 1930

1910, 1911

Toronto Blue Jays

1992, 1993

Cincinnati Reds

1975, 1976

New York Giants

1921, 1922

Boston Red Sox

1915, 1916

Chicago Cubs

1907, 1908

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