All Time Longest MLB Winning Streaks

Which MLB team has the longest regular season winning streak?

The New York Giants have the longest winning streak of regular season games in MLB history at 26 straight games. During this streak they beat their opponents by an average of 3.4 runs. The streak occurred entirely during the 1916 season.

Which MLB team has the longest winning streak?

The New York Giants have the longest winning streak in MLB history at 26 straight games, which happened during the regular season. The streak occurred entirely during the 1916 season.

Which MLB team has the longest active regular season winning streak?

The Boston Red Sox have the longest winning active streak of regular season games at 7 straight games. The streak started in the 2022 season with a win over the St. Louis Cardinals. The most recent win was over the Cleveland Guardians.

Which team has the most 10 game winning streaks in the MLB Postseason?

The San Francisco Giants have the most separate 10-game winning streaks in the postseason, having done it 11 times.

	Team	Year(s)	Winning Streak	Avg Margin of Victory
1	New York Giants	1916	26	3.4 runs
2	Cleveland Indians	2017	22	4.8 runs
3	Chicago Cubs	1935	21	4.1 runs
4	Oakland Athletics	2002	20	3.8 runs
5	New York Yankees	1947	19	4.1 runs
	Chicago White Sox	1906	19	4.0 runs
7	New York Yankees	1953	18	4.7 runs
8	St. Louis Cardinals	2021	17	3.6 runs
	Pittsburgh Pirates	1937 - 1938	17	2.4 runs
	Philadelphia Athletics	1931	17	4.6 runs
	New York Giants	1916	17	3.8 runs
	Washington Senators	1912	17	3.7 runs
	New York Giants	1907	17	2.7 runs
14	Milwaukee Brewers	1986 - 1987	16	2.7 runs
	Kansas City Royals	1977	16	3.7 runs
	New York Giants	1951	16	1.9 runs
	New York Yankees	1926	16	2.8 runs
	New York Giants	1912	16	3.9 runs
	Pittsburgh Pirates	1909	16	3.8 runs
20	San Francisco Giants	2002 - 2003	15	3.8 runs
	Seattle Mariners	2001	15	3.7 runs
	Atlanta Braves	2000	15	2.9 runs
	Minnesota Twins	1991	15	3.2 runs
	New York Yankees	1960	15	2.5 runs
	Boston Red Sox	1946	15	3.9 runs
	New York Giants	1936	15	2.7 runs
	Chicago Cubs	1936	15	4.2 runs
	Brooklyn Robins	1924	15	3.2 runs
	Philadelphia Athletics	1913	15	4.5 runs
	New York Highlanders	1906	15	3.3 runs
	Pittsburgh Pirates	1903	15	4.9 runs
32	Atlanta Braves	2022	14	4.3 runs
	Cleveland Indians	2016	14	3.9 runs
	Atlanta Braves	2013	14	3.6 runs
	San Diego Padres	1999	14	4.1 runs
	Texas Rangers	1991	14	4.1 runs
	Oakland Athletics	1988	14	3.9 runs
	Baltimore Orioles	1973	14	3.7 runs
	Baltimore Orioles	1970 - 1971	14	2.5 runs
	San Francisco Giants	1965	14	3.3 runs
	Brooklyn Dodgers	1954 - 1955	14	3.5 runs
	Chicago White Sox	1951	14	2.9 runs
	New York Yankees	1941	14	3.7 runs
	St. Louis Cardinals	1935	14	4.2 runs
	Detroit Tigers	1934	14	5.3 runs
	Chicago Cubs	1932	14	3.1 runs
	St. Louis Browns	1916	14	2.5 runs
	New York Giants	1913	14	3.3 runs
	Pittsburgh Pirates	1909	14	3.1 runs
	Detroit Tigers	1909	14	3.1 runs
	Chicago Cubs	1906	14	3.8 runs
	Pittsburgh Pirates	1903	14	2.9 runs

	Team	Year(s)	Winning Streak	Avg Margin of Victory
1	New York Giants	1916	26	3.4 runs
2	Cleveland Indians	2017	22	4.8 runs
3	Chicago Cubs	1935	21	4.1 runs
4	Oakland Athletics	2002	20	3.8 runs
5	New York Yankees	1947	19	4.1 runs
	Chicago White Sox	1906	19	4.0 runs
7	New York Yankees	1953	18	4.7 runs
8	St. Louis Cardinals	2021	17	3.6 runs
	Baltimore Orioles	1970	17	3.4 runs
	Pittsburgh Pirates	1937 - 1938	17	2.4 runs
	Philadelphia Athletics	1931	17	4.6 runs
	New York Giants	1916	17	3.8 runs
	Washington Senators	1912	17	3.7 runs
	New York Giants	1907	17	2.7 runs
15	Milwaukee Brewers	1986 - 1987	16	2.7 runs
	Kansas City Royals	1977	16	3.7 runs
	Baltimore Orioles	1971	16	4.6 runs
	New York Giants	1951	16	1.9 runs
	New York Yankees	1926	16	2.8 runs
	New York Giants	1912	16	3.9 runs
	Pittsburgh Pirates	1909	16	3.8 runs
22	Seattle Mariners	2001	15	3.7 runs
	Atlanta Braves	2000	15	2.9 runs
	Minnesota Twins	1991	15	3.2 runs
	New York Yankees	1960	15	2.5 runs
	Boston Red Sox	1946	15	3.9 runs
	New York Giants	1936	15	2.7 runs
	Chicago Cubs	1936	15	4.2 runs
	Brooklyn Robins	1924	15	3.2 runs
	Philadelphia Athletics	1913	15	4.5 runs
	New York Highlanders	1906	15	3.3 runs
	Pittsburgh Pirates	1903	15	4.9 runs
33	Atlanta Braves	2022	14	4.3 runs
	Cleveland Indians	2016	14	3.9 runs
	Atlanta Braves	2013	14	3.6 runs
	San Diego Padres	1999	14	4.1 runs
	Texas Rangers	1991	14	4.1 runs
	Oakland Athletics	1988	14	3.9 runs
	Baltimore Orioles	1973	14	3.7 runs
	San Francisco Giants	1965	14	3.3 runs
	Brooklyn Dodgers	1954 - 1955	14	3.5 runs
	Chicago White Sox	1951	14	2.9 runs
	New York Yankees	1941	14	3.7 runs
	St. Louis Cardinals	1935	14	4.2 runs
	Detroit Tigers	1934	14	5.3 runs
	Chicago Cubs	1932	14	3.1 runs
	St. Louis Browns	1916	14	2.5 runs
	New York Giants	1913	14	3.3 runs
	Pittsburgh Pirates	1909	14	3.1 runs
	Detroit Tigers	1909	14	3.1 runs
	Chicago Cubs	1906	14	3.8 runs
	Pittsburgh Pirates	1903	14	2.9 runs