what mlb team has the highest win percentage against another mlb team since 1900 including the playoffs

Since 1900, the Seattle Mariners have the highest winning percentage by a team against a team in the regular-season and playoffs, winning 77.8 percent of the time versus the Reds.

TEAMW%OPPWLGABRH2B3BHRRBIBBHBPSOSBCSPATBXBHSHSFIBBGIDPAVGOBPSLGOPS
1Mariners
Mariners
.778
Reds Reds
21
6
27
885
129
219
42
4
46
126
105
18
207
18
9
1,025
407
92
8
9
8
14
.247
.336
.460
.796
2Yankees
Yankees
.750
Cubs Cubs
27
9
36
1,269
198
339
58
3
50
191
154
13
263
21
7
1,458
553
111
13
9
7
23
.267
.350
.436
.786
3Braves
Braves
.719
Athletics Athletics
23
9
32
1,080
156
265
58
6
45
151
89
11
212
23
6
1,195
470
109
7
8
4
19
.245
.307
.435
.742
4Diamondbacks
Diamondbacks
.704
White Sox White Sox
19
8
27
903
151
231
45
8
36
145
79
8
188
18
4
1,009
400
89
4
15
3
19
.256
.316
.443
.759
5Marlins
Marlins
.681
Orioles Orioles
32
15
47
1,642
244
459
80
10
48
235
127
19
327
40
8
1,818
703
138
15
15
7
24
.280
.336
.428
.764
6Cubs
Cubs
.680
Orioles Orioles
17
8
25
862
123
237
50
7
34
123
66
7
185
16
2
948
403
91
5
8
1
13
.275
.329
.468
.796
7Red Sox
Red Sox
.679
Marlins Marlins
36
17
53
1,815
309
532
115
11
58
294
174
19
369
33
14
2,042
843
184
11
23
12
45
.293
.357
.464
.821
8Yankees
Yankees
.677
Padres Padres
21
10
31
1,037
144
255
43
2
42
135
94
8
237
31
4
1,152
428
87
3
10
10
20
.246
.311
.413
.723
9Giants
Giants
.677
Guardians Guardians
21
10
31
1,001
118
232
48
2
21
109
103
9
223
18
9
1,136
347
71
13
10
4
24
.232
.306
.347
.653
10White Sox
White Sox
.676
Orioles Orioles
25
12
39
1,339
245
394
51
13
5
193
136
16
12
97
1,546
486
69
55
.294
.366
.363
.729
11Reds
Reds
.667
Rays Rays
18
9
27
903
131
218
39
4
34
121
96
18
247
21
6
1,027
367
77
7
3
4
12
.241
.325
.406
.732
12Athletics
Athletics
.667
Pirates Pirates
18
9
27
931
140
244
54
5
27
135
101
10
182
14
3
1,056
389
86
2
12
9
17
.262
.337
.418
.755
13Dodgers
Dodgers
.667
Mariners Mariners
32
16
48
1,626
240
408
72
6
63
228
165
22
370
35
16
1,836
681
141
12
11
9
32
.251
.326
.419
.745
14Red Sox
Red Sox
.667
Reds Reds
22
11
33
1,126
169
296
73
6
36
165
118
6
257
12
7
1,268
489
115
8
10
11
23
.263
.333
.434
.768
15
Rebels
.659
Terrapins
29
15
46
1,516
191
410
65
27
7
159
115
16
173
56
1,713
550
99
66
.270
.328
.363
.691
16
Peppers
.659
Tip-Tops
29
15
44
1,480
233
421
66
22
5
182
154
9
64
1,704
546
93
61
.284
.355
.369
.724
17Americans
Americans
.658
Orioles Orioles
25
13
38
1,394
239
426
53
39
9
205
76
8
-32
48
1,506
584
101
28
.306
.345
.419
.764
18Braves
Braves
.657
Twins Twins
23
12
35
1,250
176
344
61
6
57
170
104
9
253
18
4
1,376
588
124
7
6
7
27
.275
.334
.470
.804
19Dodgers
Dodgers
.657
Twins Twins
23
12
35
1,215
177
341
61
6
52
170
113
9
263
35
10
1,360
570
119
12
11
8
18
.281
.343
.469
.813
20Twins
Twins
.656
Padres Padres
21
11
32
1,086
147
275
48
1
40
143
91
19
232
27
8
1,216
445
89
14
6
8
19
.253
.320
.410
.730
21Mariners
Mariners
.654
Pirates Pirates
17
9
26
864
107
205
46
0
30
99
71
12
223
14
4
959
341
76
3
9
4
22
.237
.301
.395
.696
22Nationals
Nationals
.647
Mariners Mariners
22
12
34
1,121
141
284
50
3
41
140
98
8
229
23
11
1,250
463
94
13
10
7
32
.253
.315
.413
.728
23Angels
Angels
.647
Rockies Rockies
33
18
51
1,783
304
518
95
8
82
290
177
22
348
37
12
2,008
875
185
9
17
11
48
.291
.359
.491
.849
24Rays
Rays
.645
Diamondbacks Diamondbacks
20
11
31
1,079
155
281
73
10
27
145
126
18
255
31
9
1,232
455
110
2
7
6
23
.260
.346
.422
.767
25White Sox
White Sox
.645
Giants Giants
20
11
31
1,055
146
285
43
9
27
136
78
7
202
20
2
1,153
427
79
7
6
1
17
.270
.323
.405
.728
Some of the information used here was obtained free of charge from Retrosheet.

More Mariners Stats

Team Rankings

HR

238

3rd

R

766

9th

SO

1,426

7th

ERA

3.87

13th

2025 Division Standings
TEAMWLPCTGB
Mariners Mariners
90
72
.556
Astros Astros
87
75
.537
3.0
Rangers Rangers
81
81
.500
9.0
Athletics Athletics
76
86
.469
14.0
Angels Angels
72
90
.444
18.0
Last Game
SEA Mariners

3 - 4

3

Final

4

TOR Blue Jays

4 - 3

Mon 20 Oct 2025

MLB 2025 Batting Leaders

MLB 2025 Pitching Leaders

MLB Fantasy 2025

MLB 2025 Betting

MLB 2025 Division Standings

NL EastWLPCTGB
Phillies Phillies
96
66
.593
Mets Mets
83
79
.512
13.0
NL CentralWLPCTGB
Brewers Brewers
97
65
.599
Cubs Cubs
92
70
.568
5.0
NL WestWLPCTGB
Dodgers Dodgers
93
69
.574
Padres Padres
90
72
.556
3.0
AL EastWLPCTGB
Blue Jays Blue Jays
94
68
.580
Yankees Yankees
94
68
.580
AL CentralWLPCTGB
Guardians Guardians
88
74
.543
Tigers Tigers
87
75
.537
1.0
AL WestWLPCTGB
Mariners Mariners
90
72
.556
Astros Astros
87
75
.537
3.0

MLB 2025 Scores & Schedule

Scores

DATEMATCHUPSCORE
Tue
9/16
CHC CHC
@
PIT PIT
8-4
Tue
9/16
CIN CIN
@
STL STL
6-2
Tue
9/16
SFG SFG
@
AZ AZ
5-1
Tue
9/16
ATL ATL
@
WSH WSH
9-4
Tue
9/16
CLE CLE
@
DET DET
4-0

Schedule

DATEMATCHUPTIME (ET)
Tue
10/28
TOR TOR
@
LAD LAD
8:00 PM
Wed
10/29
TOR TOR
@
LAD LAD
8:00 PM
Fri
10/31
LAD LAD
@
TOR TOR
8:00 PM
Sat
11/1
LAD LAD
@
TOR TOR
8:00 PM