The Cleveland Indians have won 18 straight games to surge to the top of the American League standings, but they still have a ways to go before approaching the longest winning streak in Major League history.
Longest Winning Streaks In Major League History:
1. New York Giants (1916) - 26
2 (tie). Chicago White Stockings (1880) - 21
2 (tie). Chicago Cubs (1935) - 21
4. (tie). St. Louis Maroons (1884) - 20
4 (tie). Providence Grays (1884) - 20
4 (tie). Oakland Athletics (2002) - 20
7 (tie). Chicago White Sox (1906) - 19
7 (tie). New York Yankees (1947) - 19
9 (tie). Chicago White Stockings (1885) - 18
9 (tie). Boston Beaneaters (1891) - 18
9 (tie). New York Giants (1904) - 18
9 (tie). New York Yankees (1953) - 18
9 (tie). Cleveland Indians (2017) - 18