Matchup Index

National League

MLB conference. 15 current members.

Members over time

Each bar is a run of seasons as a member. Bold names are current members.
 
  1. Atlanta Braves since 1876
  2. Chicago Cubs since 1876
  3. Cincinnati Stars 1876 to 1880
  4. Hartfords of Brooklyn 1876 to 1877
  5. Louisville Grays 1876 to 1877
  6. New York Mutuals 1876
  7. Philadelphia Athletics (1871 to 1876) 1876
  8. St. Louis Brown Stockings 1876 to 1877
  9. Indianapolis Blues 1878
  10. Milwaukee Grays 1878
  11. Providence Grays 1878 to 1885
  12. Buffalo Bisons (1879 to 1885) 1879 to 1885
  13. Cleveland Blues 1879 to 1884
  14. Syracuse Stars (1879) 1879
  15. Troy Trojans 1879 to 1882
  16. Worcester Ruby Legs 1880 to 1882
  17. Detroit Wolverines 1881 to 1888
  18. Philadelphia Phillies since 1883
  19. San Francisco Giants since 1883
  20. Indianapolis Hoosiers (1884 to 1889) 1885 to 1889
  21. Kansas City Cowboys (1886) 1886
  22. Washington Nationals (1886 to 1889) 1886 to 1889
  23. Pittsburgh Pirates since 1887
  24. Cleveland Spiders 1889 to 1899
  25. Cincinnati Reds since 1890
  26. Los Angeles Dodgers since 1890
  27. Baltimore Orioles (1882 to 1899) 1892 to 1899
  28. Louisville Colonels 1892 to 1899
  29. St. Louis Cardinals since 1892
  30. Washington Senators 1892 to 1899
  31. Houston Astros 1962 to 2012
  32. New York Mets since 1962
  33. San Diego Padres since 1969
  34. Washington Nationals since 1969
  35. Colorado Rockies since 1993
  36. Miami Marlins since 1993
  37. Arizona Diamondbacks since 1998
  38. Milwaukee Brewers since 1998

Members

All-time conference records

TeamRecordWin %GamesSeasons as a member
San Francisco Giants11419-9898-16553.5%21482Since 1883
Chicago Cubs11221-10648-16051.3%22029Since 1876
Atlanta Braves11027-10873-15350.3%22053Since 1876
Los Angeles Dodgers10948-9648-12153.1%20717Since 1890
Pittsburgh Pirates10492-10386-13950.3%21017Since 1887
St. Louis Cardinals10422-9898-13251.3%20452Since 1892
Cincinnati Reds10275-10233-12350.1%20631Since 1890
Philadelphia Phillies10129-11176-11547.6%21420Since 1883
New York Mets4694-5020-848.3%9722Since 1962
Washington Nationals4101-4428-448.1%8533Since 1969
San Diego Padres4029-4556-246.9%8587Since 1969
Houston Astros3907-4033-549.2%79451962 to 2012
Colorado Rockies2164-257445.7%4738Since 1993
Miami Marlins2162-254346.0%4705Since 1993
Milwaukee Brewers2015-2032-149.8%4048Since 1998
Arizona Diamondbacks1976-204249.2%4018Since 1998
Cleveland Spiders737-763-3449.2%15341889 to 1899
Baltimore Orioles (1882 to 1899)643-445-2758.9%11151892 to 1899
Providence Grays439-277-961.2%7251878 to 1885
Detroit Wolverines426-437-1749.4%8801881 to 1888
Louisville Colonels417-686-2138.0%11241892 to 1899
Washington Senators410-695-2137.3%11261892 to 1899
Buffalo Bisons (1879 to 1885)313-333-1048.5%6561879 to 1885
Cleveland Blues242-299-844.8%5491879 to 1884
Indianapolis Hoosiers (1884 to 1889)225-399-1136.3%6351885 to 1889
Washington Nationals (1886 to 1889)159-337-1832.7%5141886 to 1889
Troy Trojans134-191-541.4%3301879 to 1882
Cincinnati Stars125-217-636.8%3481876 to 1880
Worcester Ruby Legs90-159-336.3%2521880 to 1882
Hartfords of Brooklyn78-48-361.6%1291876 to 1877
St. Louis Brown Stockings73-5158.9%1241876 to 1877
Louisville Grays65-61-451.5%1301876 to 1877
Kansas City Cowboys (1886)30-88-827.0%1261886
Indianapolis Blues24-36-340.5%631878
Syracuse Stars (1879)22-48-131.7%711879
New York Mutuals21-35-137.7%571876
Milwaukee Grays15-45-125.4%611878
Philadelphia Athletics (1871 to 1876)14-45-124.2%601876

Games against fellow members only, counting both teams' conference in the season each game was played. Current members are in bold.

Most played conference rivalries

SeriesRecordAs membersAll meetings
Chicago Cubs vs Pittsburgh Pirates1293-1323-1926352635
Los Angeles Dodgers vs San Francisco Giants1299-1293-1826102610
Atlanta Braves vs Philadelphia Phillies1345-1227-1525872587
Pittsburgh Pirates vs St. Louis Cardinals1314-1285-2425472623
Chicago Cubs vs St. Louis Cardinals1291-1233-1925432543
Cincinnati Reds vs Pittsburgh Pirates1253-1269-1824642540
Chicago Cubs vs Cincinnati Reds1222-1198-2224422442
Atlanta Braves vs San Francisco Giants1113-1275-2724152415
Chicago Cubs vs Philadelphia Phillies1255-1132-1824052405
Cincinnati Reds vs St. Louis Cardinals1193-1317-2123992531
Atlanta Braves vs Chicago Cubs1091-1270-1623532377
Philadelphia Phillies vs Pittsburgh Pirates1093-1235-923372337

"As members" counts the meetings played while both teams were in the conference; the record is every MLB meeting.

Against every other conference

OpponentRecordGamesSeriesMost played
American League5122-5368-310493243San Francisco Giants vs Athletics (180 meetings)

Counts each game by both teams' conference in the season it was played. "Series" is how many different pairs of teams met; "Most played" is the pair that met most often while in these two conferences, with how many of those meetings count here; its bar is the whole series.

Sources

Records are computed from every final game result in the Matchup Index database. About the data.