Jaime Bluma and John Lamb are tied for the most career saves in losses, with 5 saves.

Interpreted as:

most regular-season saves by a pitcher with no wins

	NAME	SV	W	L	W%	G	GS	ERA	SO	CG	SHO	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	Jaime Bluma J. Bluma	5	0	0		17	0	3.60	14	0	0	20.0	18	8	9	2	4	2	10	1	82	1	6.30	1.80	3.50	0.90	17.1	4.9	1.10	.267	4.05	71	3.96	79	8.10	2.3
2	John Lamb J. Lamb	5	0	2	.000	47	0	4.07	36	0	0	66.1	63	30	34	5	24	2	18	4	279	2	4.88	3.26	1.50	0.68	12.9	8.6	1.31	.274	4.61	111	3.66	101	8.55	-0.2
3	Zach Agnos Z. Agnos	3	0	1	.000	14	0	1.13	8	0	0	16.0	11	2	4	1	2	0	6	0	60	1	4.50	1.13	4.00	0.56	13.3	3.3	0.81	.204	2.25	24	3.25	78	6.19	1.6
4	Jordan Leasure J. Leasure	3	0	6	.000	56	0	5.72	52	0	0	50.1	51	32	33	10	27	2	11	1	227	4	9.30	4.83	1.93	1.79	22.9	11.9	1.55	.301	5.90	142	5.37	128	9.12	-6.3
5	Ed Olwine E. Olwine	3	0	1	.000	80	0	4.52	54	0	0	89.2	82	45	51	13	29	3	28	9	375	7	5.42	2.91	1.86	1.30	14.4	7.7	1.24	.250	5.12	114	4.54	116	8.23	-5.6
6	Terry Felton T. Felton	3	0	16	.000	55	10	5.53	108	0	0	138.1	123	85	95	21	87	5	21	9	616	2	7.03	5.66	1.24	1.37	17.5	14.1	1.52	.258	6.18	131	5.12	125	8.00	-15.8
7	Chuck Machemehl C. Machemehl	3	0	2	.000	14	0	6.38	9	0	0	18.1	16	13	16	2	15	0	7	3	84	0	4.42	7.36	0.60	0.98	10.7	17.9	1.69	.241	7.85	177	5.34	144	7.85	-3.2
8	Ron Tompkins R. Tompkins	3	0	2	.000	40	1	3.96	24	0	0	50.0	40	22	22	3	24	4	23	3	214	1	4.32	4.32	1.00	0.54	11.2	11.2	1.28	.233	3.96	105	3.96	107	7.20	-1.1
9	Tom Borland T. Borland	3	0	4	.000	27	4	6.75	32	0	0	52.0	70	39	42	4	23	0	13	4	242	4	5.54	3.98	1.39	0.69	13.2	9.5	1.79	.361	7.27	167	3.62	87	12.12	3.1
10	George Estock G. Estock	3	0	1	.000	37	1	4.33	11	0	0	60.1	56	29	33	2	37	0	16		263	2	1.64	5.52	0.30	0.30	4.2	14.1	1.54	.254	4.92	115	4.39	114	8.35	-3.9
11	Lou Polli L. Polli	3	0	2	.000	24	0	4.68	11	0	0	42.1	55	22	33	3	23	0	11		201	2	2.34	4.89	0.48	0.64	5.5	11.4	1.84	.317	7.02	122	4.65	123	11.69	-3.7
12	Bob Smith B. Smith	3	0	0		17	1	4.31	14	0	0	39.2	43	19	21	3	21	3	9		177	2	3.18	4.76	0.67	0.68	7.9	11.9	1.61	.294	4.76	136	4.53	152	9.76	-6.7
13	Steve Melter S. Melter	3	0	1	.000	23	1	3.50	24	0	0	64.1	79	25	49	1	20	2	18		267	7	3.36	2.80	1.20	0.14	9.0	7.5	1.54	.355	6.85	137	2.70	103	11.05	-0.6
14	Ernie Beam E. Beam	3	0	2	.000	9	1	11.31	3	1	0	24.2	33	31	33	1	25	1	8		130	5	1.09	9.12	0.12	0.36	2.3	19.2	2.35	.320	12.04	242	7.03	150	12.04	-6.7
15	Eric Orze E. Orze	2	0	1	.000	18	0	2.45	16	0	0	22.0	20	6	7	1	9	2	7	0	93	0	6.55	3.68	1.78	0.41	17.2	9.7	1.32	.292	2.86	63	3.71	94	8.18	0.6
16	Guillo Zuñiga G. Zuñiga	2	0	0		17	0	5.03	16	0	0	19.2	18	11	11	5	8	1	8	2	84	1	7.32	3.66	2.00	2.29	19.0	9.5	1.32	.241	5.03	122	6.22	148	8.24	-4.2
17	Darren McCaughan D. McCaughan	2	0	0		20	6	6.02	46	0	0	61.1	73	41	46	13	23	7	9	0	284	2	6.75	3.38	2.00	1.91	16.2	8.1	1.57	.308	6.75	145	5.88	144	10.71	-12.5
18	Chia-Jen Lo C. Lo	2	0	3	.000	19	0	4.19	16	0	0	19.1	14	9	9	2	13	0	11	0	84	1	7.45	6.05	1.23	0.93	19.0	15.5	1.40	.226	4.19	105	4.75	119	6.52	-1.6
19	John Ennis J. Ennis	2	0	0		16	2	7.81	22	0	0	27.2	37	24	25	4	11	0	6	0	131	1	7.16	3.58	2.00	1.30	16.8	8.4	1.73	.351	8.13	175	4.56	102	12.04	-0.3
20	Brian Meyer B. Meyer	2	0	5	.000	34	0	2.84	29	0	0	50.2	41	16	22	5	23	1	14	3	212	0	5.15	4.09	1.26	0.89	13.7	10.8	1.26	.234	3.91	83	4.33	125	7.28	-5.3
21	Jeff Kaiser J. Kaiser	2	0	2	.000	50	0	9.17	38	0	0	52.0	68	53	60	12	46	2	13	6	271	3	6.58	7.96	0.83	2.08	14.0	17.0	2.19	.324	10.38	229	7.10	176	11.77	-17.9
22	Mark Mercer M. Mercer	2	0	1	.000	7	0	4.70	8	0	0	7.2	7	4	4	1	7	0	2	0	36	0	9.39	8.22	1.14	1.17	22.2	19.4	1.83	.300	4.70	132	4.94	137	8.22	-1.2
23	Mike Davey M. Davey	2	0	0		19	0	4.34	7	0	0	18.2	20	9	9	1	10	0	7	4	84	1	3.38	4.82	0.70	0.48	8.3	11.9	1.61	.288	4.34	102	4.26	102	9.64	-0.1
24	Sam Hinds S. Hinds	2	0	3	.000	29	1	4.73	46	0	0	72.1	72	38	42	5	40	2	11	3	324	5	5.72	4.98	1.15	0.62	14.2	12.3	1.55	.290	5.23	117	4.10	102	8.96	-0.7
25	Steve Simpson S. Simpson	2	0	2	.000	9	0	4.76	9	0	0	11.1	10	6	6	0	8	0	4	1	51	0	7.15	6.35	1.13	0.00	17.6	15.7	1.59	.294	4.76	145	2.92	93	7.94	0.3