What is the longest winning streak in MLB history?

With an MLB season that's 162 games long, there are plenty of chances for teams to rack up wins or losses in the standings. When those wins are chained together, it can be a thrilling time for fans and the sport as a whole.

In 2026, the Boston Red Sox tied a franchise record with their 15th straight win.

Check out the longest winning streaks in MLB history below.

• New York Giants, 26 (1916)


• Cleveland Guardians, 22 (2017)


• Chicago Cubs, 21 (1935)


• Chicago White Stockings, 21 (1880)


• Oakland Athletics, 20 (2002)


• Providence Grays, 20 (1884)


• New York Yankees, 19 (1947)


• Chicago White Sox, 19 (1906)

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