50 pitchers are tied for winning the fewest games in a season, with 0 wins this season. The first three are Jacob Barnes, Tucker Barnhart and Jake Bauers.

	NAME	W	SEASON	TM	L	W%	G	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Jacob Barnes J. Barnes	0	2025	TOR	1	.000	6	0	9.00	5	0	0	0	8.0	10	8	9	1	3	0	2	0	36	0	5.63	3.38	1.67	1.13	13.9	8.3	1.63	.333	10.13	229	4.59	113	11.25	-0.5
2	Tucker Barnhart T. Barnhart	0	2025	TEX	0		1	0	13.50	0	0	0	0	2.0	5	3	3	0	0	1	1	0	11	0	0.00	0.00		0.00	0.0	0.0	2.50	.500	13.50	340	4.59	110	22.50	-0.1
3	Jake Bauers J. Bauers	0	2025	MIL	0		4	0	0.00	0	0	0	0	4.0	4	0	0	0	1	2	4	0	19	0	0.00	2.25	0.00	0.00	0.0	5.3	1.25	.250	0.00	0	5.34	131	9.00	-0.6
4	Félix Bautista F. Bautista	0	2025	BAL	1	.000	13	0	2.77	15	0	0	7	13.0	7	4	4	1	8	0	13	0	53	1	10.38	5.54	1.88	0.69	28.3	15.1	1.15	.207	2.77	71	3.63	91	4.85	0.5
5	Ryan Borucki R. Borucki	0	2025	PIT	1	.000	19	0	3.57	15	0	0	0	17.2	10	7	8	0	7	1	2	1	68	2	7.64	3.57	2.14	0.00	22.1	10.3	0.96	.222	4.08	85	2.75	68	5.09	2.5
6	Matt Bowman M. Bowman	0	2025	BAL	1	.000	16	0	5.19	12	0	0	0	17.1	22	10	11	3	3	1	8	0	79	0	6.23	1.56	4.00	1.56	15.2	3.8	1.44	.317	5.71	133	4.65	116	11.42	-1.3
7	Ryan Brasier R. Brasier	0	2025	CHC	0		1	0	9.00	1	0	0	0	1.0	2	1	1	0	1	0	1	0	6	0	9.00	9.00	1.00	0.00	16.7	16.7	3.00	.500	9.00	224	4.09	104	18.00	0
8	Connor Brogdon C. Brogdon	0	2025	LAA	0		3	0	12.27	3	0	0	0	3.2	6	5	5	2	2	0	1	0	17	1	7.36	4.91	1.50	4.91	17.6	11.8	2.18	.400	12.27	303	10.18	242	14.73	-2.4
9	Aaron Bummer A. Bummer	0	2025	ATL	1	.000	16	0	4.00	20	0	0	0	18.0	18	8	11	0	7	1	4	3	79	1	10.00	3.50	2.86	0.00	25.3	8.9	1.39	.353	5.50	96	2.20	56	9.00	3.6
10	Nick Burdi N. Burdi	0	2025	BOS	0		2	0	0.00	1	0	0	0	2.1	4	0	0	0	1	0	1	0	10	0	3.86	3.86	1.00	0.00	10.0	10.0	2.14	.500	0.00	0	3.52	85	15.43	0.2
11	Génesis Cabrera G. Cabrera	0	2025	NYM	0		5	0	4.76	5	0	0	0	5.2	6	3	3	1	3	0	1	0	26	0	7.94	4.76	1.67	1.59	19.2	11.5	1.59	.294	4.76	120	5.21	131	9.53	-0.8
12	José Castillo J. Castillo	0	2025	TOT	1	.000	6	0	9.82	3	0	0	0	7.1	11	8	8	3	4	0	2	0	36	0	3.68	4.91	0.75	3.68	8.3	11.1	2.05	.308	9.82	235	9.23	235	13.50	-4.5
13	Luis F. Castillo L. F. Castillo	0	2025	SEA	0		2	2	7.71	5	0	0	0	7.0	12	6	7	0	7	0	0	0	41	0	6.43	9.00	0.71	0.00	12.2	17.1	2.71	.414	9.00	206	4.66	119	15.43	-0.6
14	Miguel Castro M. Castro	0	2025	CWS	0		2	0	10.13	2	0	0	0	2.2	4	3	3	0	2	0	1	0	14	0	6.75	6.75	1.00	0.00	14.3	14.3	2.25	.400	10.13	252	3.84	91	13.50	0.1
15	Willi Castro W. Castro	0	2025	MIN	0		1	0	0.00	0	0	0	0	1.0	1	0	0	0	0	0	1	0	4	0	0.00	0.00		0.00	0.0	0.0	1.00	.250	0.00	0	3.09	76	9.00	0.1
16	Andrew Chafin A. Chafin	0	2025	WSH	0		9	0	1.59	7	0	0	0	5.2	6	1	2	0	7	0	2	0	29	3	11.12	11.12	1.00	0.00	24.1	24.1	2.29	.400	3.18	39	4.33	106	9.53	-0.2
17	Jesse Chavez J. Chavez	0	2025	ATL	0		2	0	6.00	3	0	0	0	3.0	4	2	2	1	3	0	0	0	16	0	9.00	9.00	1.00	3.00	18.8	18.8	2.33	.333	6.00	144	8.43	213	12.00	-1.5
18	Mike Clevinger M. Clevinger	0	2025	CWS	2	.000	8	0	7.94	3	0	0	0	5.2	5	5	5	0	8	0	3	0	31	1	4.76	12.71	0.38	0.00	9.7	25.8	2.29	.250	7.94	198	6.27	149	7.94	-1.3
19	Chris Devenski C. Devenski	0	2025	NYM	0		1	0	9.00	2	0	0	0	2.0	2	2	2	0	1	0	1	0	9	0	9.00	4.50	2.00	0.00	22.2	11.1	1.50	.333	9.00	227	2.59	65	9.00	0.3
20	Jhonathan Díaz J. Díaz	0	2025	SEA	0		1	0	0.00	1	0	0	0	1.1	1	0	0	0	0	0	1	0	5	0	6.75	0.00		0.00	20.0	0.0	0.75	.250	0.00	0	1.59	41	6.75	0.4
21	Dane Dunning D. Dunning	0	2025	TEX	0		1	0	6.00	3	0	0	1	3.0	4	2	2	1	2	0	1	0	14	1	9.00	6.00	1.50	3.00	21.4	14.3	2.00	.375	6.00	151	7.43	178	12.00	-1.1
22	Carl Edwards Jr. C. Edwards Jr.	0	2025	LAA	0		2	0	9.00	2	0	0	0	3.0	4	3	3	1	1	0	1	0	13	0	6.00	3.00	2.00	3.00	15.4	7.7	1.67	.333	9.00	222	7.09	169	12.00	-0.9
23	Tyler Ferguson T. Ferguson	0	2025	ATH	2	.000	22	0	4.71	20	0	0	1	21.0	15	11	13	2	13	1	5	1	89	0	8.57	5.57	1.54	0.86	22.5	14.6	1.33	.245	5.57	119	4.43	109	6.43	-0.8
24	J.P. Feyereisen	0	2025	TOT	2	.000	4	0	11.25	4	0	0	0	4.0	11	5	7	2	1	0	3	1	23	0	9.00	2.25	4.00	4.50	17.4	4.3	3.00	.563	15.75	274	8.34	208	24.75	-1.9
25	Kyle Finnegan K. Finnegan	0	2025	WSH	1	.000	17	0	2.70	17	0	0	14	16.2	16	5	5	0	7	0	15	0	71	4	9.18	3.78	2.43	0.00	23.9	9.9	1.38	.340	2.70	66	2.31	57	8.64	3.2