worst winning percentage in a single season by mlb team last 50 years

Between May 11, 1976 and May 11, 2026, the Chicago White Sox have the worst winning percentage by a team in a season, winning 25.3 percent of the time in 2024.

TEAMW%SEASONWLGABRH2B3BHRRBIBBHBPSOSBCSPATBXBHSHSFIBBGIDPAVGOBPSLGOPS
1White Sox
White Sox
.253
2024
41
121
162
5,383
507
1,187
226
9
133
485
395
43
1,403
90
33
5,866
1,830
368
18
27
8
116
.221
.278
.340
.618
2Rockies
Rockies
.265
2025
43
119
162
5,408
597
1,281
253
37
160
581
395
48
1,531
87
39
5,907
2,088
450
21
35
5
118
.237
.293
.386
.679
3Tigers
Tigers
.265
2003
43
119
162
5,466
591
1,312
201
39
153
553
443
47
1,099
98
63
6,070
2,050
393
65
49
24
114
.240
.300
.375
.675
4Orioles
Orioles
.290
2018
47
115
162
5,507
622
1,317
242
15
188
593
422
57
1,412
81
22
6,034
2,153
445
13
35
19
132
.239
.298
.391
.689
5Tigers
Tigers
.292
2019
47
114
161
5,549
582
1,333
292
41
149
556
391
48
1,595
57
20
6,039
2,154
482
9
42
14
108
.240
.294
.388
.682
6Athletics
Athletics
.309
2023
50
112
162
5,311
585
1,187
225
21
171
563
498
85
1,496
149
31
5,958
1,967
417
28
36
12
125
.223
.298
.370
.669
7Astros
Astros
.315
2013
51
111
162
5,457
610
1,307
266
16
148
566
426
52
1,535
110
61
6,019
2,049
430
46
38
17
110
.240
.299
.375
.674
8Diamondbacks
Diamondbacks
.315
2004
51
111
162
5,544
615
1,401
295
38
135
582
441
35
1,022
53
32
6,113
2,177
468
56
37
38
137
.253
.310
.393
.703
9Pirates
Pirates
.317
2020
19
41
60
1,932
219
425
76
6
59
210
167
11
521
16
11
2,132
690
141
7
15
6
34
.220
.284
.357
.641
10Orioles
Orioles
.321
2021
52
110
162
5,420
659
1,296
266
15
195
632
451
65
1,454
54
23
5,981
2,177
476
14
31
12
105
.239
.304
.402
.705
11Diamondbacks
Diamondbacks
.321
2021
52
110
162
5,489
679
1,297
308
31
144
644
537
54
1,465
43
16
6,140
2,099
483
32
28
24
99
.236
.309
.382
.692
12Tigers
Tigers
.327
1996
53
109
162
5,530
783
1,413
257
21
204
741
546
29
1,268
87
50
6,202
2,324
482
48
49
26
132
.256
.323
.420
.743
13Blue Jays
Blue Jays
.327
1979
53
109
162
5,423
613
1,362
253
34
95
562
448
36
663
75
56
6,010
1,968
382
65
38
21
128
.251
.311
.363
.673
14Orioles
Orioles
.333
2019
54
108
162
5,596
729
1,379
252
25
213
698
462
71
1,435
84
30
6,188
2,320
490
22
37
8
111
.246
.310
.415
.725
15Marlins
Marlins
.333
1998
54
108
162
5,558
667
1,381
277
36
114
621
525
45
1,120
115
57
6,227
2,072
427
70
29
30
121
.248
.317
.373
.690
16Athletics
Athletics
.333
1979
54
108
162
5,348
573
1,276
188
32
108
541
482
20
751
104
69
5,971
1,852
328
75
46
36
131
.239
.302
.346
.648
17Expos
Expos
.333
1976
46
92
138
4,588
433
1,076
187
28
76
411
366
13
712
72
37
5,069
1,547
291
65
37
37
92
.235
.291
.337
.628
18Orioles
Orioles
.335
1988
54
107
161
5,358
550
1,275
199
20
137
517
504
32
869
69
44
5,979
1,925
356
40
45
31
140
.238
.305
.359
.664
19Blue Jays
Blue Jays
.335
1977
54
107
161
5,419
605
1,367
230
41
100
552
499
23
819
65
55
6,056
1,979
371
81
34
34
159
.252
.316
.365
.681
20Braves
Braves
.338
1988
54
106
160
5,440
555
1,319
228
28
96
527
432
21
848
95
69
6,013
1,891
352
74
46
59
136
.242
.298
.348
.646
21Nationals
Nationals
.340
2022
55
107
162
5,434
603
1,351
252
20
136
579
442
60
1,221
75
31
5,993
2,051
408
20
37
12
141
.249
.310
.377
.688
22Astros
Astros
.340
2012
55
107
162
5,407
583
1,276
238
28
146
545
463
58
1,365
105
46
6,012
2,008
412
54
30
19
114
.236
.302
.371
.673
23Tigers
Tigers
.342
2002
55
106
161
5,406
575
1,340
265
37
124
546
363
64
1,035
65
44
5,920
2,051
426
30
57
22
125
.248
.300
.379
.679
24Devil Rays
Devil Rays
.342
2002
55
106
161
5,604
673
1,418
297
35
133
640
456
58
1,115
102
45
6,198
2,184
465
44
36
29
116
.253
.314
.390
.704
25Royals
Royals
.346
2023
56
106
162
5,428
676
1,325
258
43
163
651
411
71
1,396
163
47
5,982
2,158
464
14
58
12
96
.244
.303
.398
.700
Some of the information used here was obtained free of charge from Retrosheet.

Latest White Sox News

More White Sox Stats

Team Batting Leaders

HR

15

Murakami

Munetaka Murakami

RBI

29

Murakami

Munetaka Murakami

AVG

.278

Meidroth

Chase Meidroth
Team Pitching Leaders

W

5

Martin

Davis Martin

K

52

Martin

Davis Martin

ERA

1.62

Martin

Davis Martin
Team Rankings

HR

51

6th

R

171

18th

SO

322

21st

ERA

4.24

18th

2026 Division Standings
TEAMWLPCTGB
21
21
.500
White Sox White Sox
19
21
.475
1.0
19
22
.463
1.5
19
22
.463
1.5
18
23
.439
2.5
Schedule
DATEMATCHUPTIME (ET)
Tue
5/12
@
7:40 PM
Wed
5/13
@
7:40 PM
Thu
5/14
@
7:40 PM
Fri
5/15
@
7:40 PM
Sat
5/16
@
7:10 PM
Last Game
SEA Mariners

19 - 22

1

Final

2

CWS White Sox

19 - 21

Sun 10 May 2026

MLB 2026 Batting Leaders

MLB 2026 Pitching Leaders

MLB Fantasy 2026

MLB 2026 Betting

MLB 2026 Standings

NL EastWLPCTGB
28
13
.683
19
22
.463
9.0
19
22
.463
9.0
19
22
.463
9.0
15
25
.375
12.5
NL CentralWLPCTGB
27
14
.659
22
16
.579
3.5
23
17
.575
3.5
22
19
.537
5.0
22
19
.537
5.0
NL WestWLPCTGB
24
16
.600
24
16
.600
19
20
.487
4.5
16
24
.400
8.0
16
25
.390
8.5
AL EastWLPCTGB
26
13
.667
26
15
.634
1.0
18
22
.450
8.5
18
23
.439
9.0
17
23
.425
9.5
AL CentralWLPCTGB
21
21
.500
19
21
.475
1.0
19
22
.463
1.5
19
22
.463
1.5
18
23
.439
2.5
AL WestWLPCTGB
21
19
.525
19
21
.475
2.0
19
22
.463
2.5
16
25
.390
5.5
16
25
.390
5.5

MLB 2026 Scores & Schedule

Scores

DATEMATCHUPSCORE
Sun
4/26
@
5-3
Sun
4/26
@
2-6
Sun
4/26
@
2-4
Sun
4/26
@
3-1
Sun
4/26
@
8-3

Schedule

DATEMATCHUPTIME (ET)
Mon
5/11
@
8:05 PM
Mon
5/11
@
8:10 PM
Mon
5/11
@
10:10 PM
Tue
5/12
@
6:10 PM
Tue
5/12
@
6:35 PM