This is a complete listing of

Major League Baseball Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (A ...

(MLB)

postseason The playoffs, play-offs, postseason or finals of a sports league are a competition played after the regular season by the top competitors to determine the league champion or a similar accolade. Depending on the league, the playoffs may be eithe ...

series, grouped by franchise. Series featuring relocated teams are kept with their ultimate relocation franchises. Bolded years indicate wins. Tables are sorted first by the number of series, then the number of wins, and then alphabetically. The list only includes postseason series played since the introduction of the

World Series The World Series is the annual championship series of Major League Baseball (MLB) in the United States and Canada, contested since 1903 between the champion teams of the American League (AL) and the National League (NL). The winner of the Worl ...

in 1903.

Arizona Diamondbacks

Atlanta Braves

Baltimore Orioles

Boston Red Sox

Chicago Cubs

Chicago White Sox

Cincinnati Reds

Cleveland Guardians

Colorado Rockies

Detroit Tigers

Houston Astros

Kansas City Royals

Los Angeles Angels

Los Angeles Dodgers

Miami Marlins

Milwaukee Brewers

Minnesota Twins

New York Mets

New York Yankees

Oakland Athletics

Philadelphia Phillies

Pittsburgh Pirates

St. Louis Cardinals

San Diego Padres

San Francisco Giants

Seattle Mariners

Tampa Bay Rays

Texas Rangers

Toronto Blue Jays

Washington Nationals

Most frequent matchups

Notes

References