Most Lopsided MLB Rivalries of All Time

The biggest all-time leads, by winning percentage, among series with plenty of meetings. Most one-sided: Boston Reds (1891) leads Washington Statesmen 18-2, winning 90.0% of 20 meetings.

Team

#	Series	Record	Win %	Games
1	Boston Reds (1891) vs Washington Statesmen20 games	18-2	90.0%	20
2	Boston Red Stockings vs Baltimore Canaries27 games	23-3-1	87.0%	27
3	New York Giants vs Buffalo Bisons (1890)20 games	17-3	85.0%	20
4	Boston Red Stockings vs Brooklyn Atlantics34 games	27-6-1	80.9%	34
5	Philadelphia Athletics (1871 to 1876) vs Brooklyn Atlantics28 games	22-5-1	80.4%	28
6	Philadelphia White Stockings vs Brooklyn Atlantics25 games	20-5	80.0%	25
7	Hartfords of Brooklyn vs Cincinnati Reds20 games	16-4	80.0%	20
8	Philadelphia Athletics (1890) vs Buffalo Bisons (1890)20 games	16-4	80.0%	20
9	New York Mutuals vs Brooklyn Atlantics34 games	27-7	79.4%	34
10	Columbus Buckeyes vs Allegheny City24 games	19-5	79.2%	24
11	Chicago White Stockings vs Worcester Ruby Legs36 games	28-8	77.8%	36
12	Providence Grays vs Detroit Wolverines69 games	53-16	76.8%	69
13	Detroit Wolverines vs Washington Nationals (1886 to 1889)55 games	41-12-2	76.4%	55
14	St. Louis Brown Stockings vs Cincinnati Reds21 games	16-5	76.2%	21
15	New York Giants vs Indianapolis Hoosiers (1884 to 1889)91 games	69-22	75.8%	91
16	Philadelphia Quakers vs Indianapolis Hoosiers (1884 to 1889)86 games	64-21-1	75.0%	86
17	Boston Red Stockings vs Philadelphia White Stockings26 games	19-6-1	75.0%	26
18	Boston Reds (1891) vs Columbus Solons20 games	15-5	75.0%	20
19	Chicago Pirates vs Buffalo Bisons (1890)20 games	15-5	75.0%	20
20	St. Louis Browns vs Kansas City Cowboys (1888 to 1889)41 games	30-10-1	74.4%	41
21	New York Yankees vs Chicago Cubs39 games	29-10	74.4%	39
22	Cincinnati Red Stockings vs Kansas City Cowboys (1888 to 1889)39 games	29-10	74.4%	39
23	Buffalo Bisons (1879 to 1885) vs Worcester Ruby Legs35 games	26-9	74.3%	35
24	Philadelphia Athletics (1882 to 1891) vs Columbus Buckeyes25 games	18-6-1	74.0%	25
25	Chicago White Stockings vs Troy Trojans49 games	35-12-2	73.5%	49
26	Chicago White Stockings vs Indianapolis Hoosiers (1884 to 1889)92 games	67-24-1	73.4%	92
27	Seattle Mariners vs Cincinnati Reds30 games	22-8	73.3%	30
28	Boston Beaneaters vs Louisville Colonels104 games	75-27-2	73.1%	104
29	Boston Reds vs New York Mutuals52 games	38-14	73.1%	52
30	St. Louis Browns vs New York Metropolitans80 games	57-21-2	72.5%	80
31	St. Louis Browns vs Cincinnati Kelly's Killers20 games	14-5-1	72.5%	20
32	Toledo Maumees vs Philadelphia Athletics (1882 to 1891)20 games	14-5-1	72.5%	20
33	Detroit Wolverines vs Indianapolis Hoosiers (1884 to 1889)69 games	49-18-2	72.5%	69
34	Chicago White Stockings vs Washington Nationals (1886 to 1889)74 games	53-21	71.6%	74
35	Boston Beaneaters vs Washington Senators105 games	74-29-2	71.4%	105
36	Atlanta Braves vs Athletics35 games	25-10	71.4%	35
37	Providence Grays vs Philadelphia Quakers45 games	32-13	71.1%	45
38	Boston Red Caps vs Cincinnati Stars58 games	41-17	70.7%	58
39	Philadelphia White Stockings vs Chicago White Stockings20 games	14-6	70.0%	20
40	Louisville Colonels vs Toledo Maumees20 games	14-6	70.0%	20
41	Brooklyn Ward's Wonders vs Pittsburgh Burghers20 games	14-6	70.0%	20
42	Brooklyn Ward's Wonders vs Philadelphia Athletics (1890)20 games	14-6	70.0%	20
43	New York Giants vs Pittsburgh Burghers20 games	14-6	70.0%	20
44	New York Giants vs Washington Nationals (1886 to 1889)73 games	49-20-4	69.9%	73
45	Boston Beaneaters vs Washington Nationals (1886 to 1889)76 games	52-22-2	69.7%	76
46	Philadelphia Athletics (1882 to 1891) vs Kansas City Cowboys (1888 to 1889)38 games	26-11-1	69.7%	38
47	New York Metropolitans vs Columbus Buckeyes23 games	16-7	69.6%	23
48	Boston Reds vs Philadelphia Athletics (1871 to 1876)54 games	36-15-3	69.4%	54
49	Boston Beaneaters vs Cleveland Blues78 games	54-24	69.2%	78
50	Boston Reds (1890) vs Buffalo Bisons (1890)21 games	14-6-1	69.0%	21
51	New York Giants vs Buffalo Bisons (1879 to 1885)46 games	31-14-1	68.5%	46
52	Providence Grays vs Worcester Ruby Legs38 games	25-11-2	68.4%	38
53	Philadelphia Athletics (1882 to 1891) vs Cleveland Blues38 games	26-12	68.4%	38
54	Los Angeles Dodgers vs Minnesota Twins38 games	26-12	68.4%	38
55	Louisville Grays vs Cincinnati Reds22 games	15-7	68.2%	22
56	Providence Grays vs Cleveland Blues78 games	53-25	67.9%	78
57	Boston Red Sox vs Miami Marlins56 games	38-18	67.9%	56
58	Chicago Cubs vs Baltimore Orioles28 games	19-9	67.9%	28
59	Philadelphia Phillies vs Washington Senators102 games	69-33	67.6%	102
60	Tampa Bay Rays vs Arizona Diamondbacks34 games	23-11	67.6%	34
61	Brooklyn Bridegrooms vs Kansas City Cowboys (1888 to 1889)40 games	27-13	67.5%	40
62	Chicago Orphans vs Washington Senators102 games	67-33-2	66.7%	102
63	Los Angeles Dodgers vs Seattle Mariners51 games	34-17	66.7%	51
64	Providence Grays vs Troy Trojans48 games	32-16	66.7%	48
65	Tampa Bay Rays vs San Diego Padres33 games	22-11	66.7%	33
66	Cincinnati Reds vs Tampa Bay Rays30 games	20-10	66.7%	30
67	Arizona Diamondbacks vs Chicago White Sox30 games	20-10	66.7%	30
68	Hartfords of Brooklyn vs Louisville Grays24 games	15-7-2	66.7%	24
69	St. Louis Browns vs Columbus Buckeyes24 games	16-8	66.7%	24
70	Detroit Wolverines vs Worcester Ruby Legs24 games	16-8	66.7%	24
71	Baltimore Orioles (1882 to 1899) vs Washington Senators122 games	80-40-2	66.4%	122
72	Cleveland Blues vs Worcester Ruby Legs37 games	24-12-1	66.2%	37
73	New York Giants vs Louisville Colonels106 games	69-35-2	66.0%	106
74	Philadelphia Phillies vs Louisville Colonels100 games	66-34	66.0%	100
75	Miami Marlins vs Baltimore Orioles50 games	33-17	66.0%	50
76	Newark Peppers vs Brooklyn Tip-Tops44 games	29-15	65.9%	44
77	Cleveland Spiders vs Washington Senators105 games	67-34-4	65.7%	105
78	Cincinnati Reds vs Washington Senators99 games	64-33-2	65.7%	99
79	Philadelphia Quakers vs Washington Nationals (1886 to 1889)71 games	45-23-3	65.5%	71
80	Buffalo Bisons (1879 to 1885) vs Detroit Wolverines71 games	46-24-1	65.5%	71
81	Pittsburgh Rebels vs Baltimore Terrapins46 games	29-15-2	65.2%	46
82	Chicago White Stockings vs Buffalo Bisons (1879 to 1885)96 games	61-32-3	65.1%	96
83	Chicago Pirates vs Cleveland Infants20 games	13-7	65.0%	20
84	Columbus Solons vs Toledo Maumees20 games	13-7	65.0%	20
85	Washington Nationals vs Seattle Mariners37 games	24-13	64.9%	37
86	San Francisco Giants vs Cleveland Guardians34 games	22-12	64.7%	34
87	New York Yankees vs San Diego Padres34 games	22-12	64.7%	34
88	Chicago White Stockings vs Detroit Wolverines126 games	81-45	64.3%	126
89	New York Yankees vs Pittsburgh Pirates42 games	27-15	64.3%	42
90	Boston Reds (1891) vs Philadelphia Athletics (1882 to 1891)21 games	13-7-1	64.3%	21
91	New York Giants vs Washington Senators102 games	64-35-3	64.2%	102
92	Boston Red Caps vs Hartfords of Brooklyn43 games	27-15-1	64.0%	43
93	Boston Red Sox vs Cincinnati Reds36 games	23-13	63.9%	36
94	Providence Grays vs Cincinnati Stars36 games	23-13	63.9%	36
95	Chicago Whales vs Brooklyn Tip-Tops44 games	28-16	63.6%	44
96	Brooklyn Tip-Tops vs Baltimore Terrapins44 games	28-16	63.6%	44
97	Kansas City Packers vs Baltimore Terrapins44 games	28-16	63.6%	44
98	Toronto Blue Jays vs Cincinnati Reds33 games	21-12	63.6%	33
99	Tampa Bay Rays vs Colorado Rockies33 games	21-12	63.6%	33
100	Louisville Grays vs St. Louis Brown Stockings22 games	14-8	63.6%	22

How this list works

Series with at least 20 meetings (15 in college football), ranked by the leader's winning percentage (a tie counts as half a win), then by the number of games.

Each row links to the full matchup page, opened on the MLB numbers. Think you know who leads a series? Try the MLB rivalry quiz.

More MLB records

Records include games through Oct 27, 2026.

Sources

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