most saves without an earned run in a season

Francisco Rodriguez has the most saves with exactly 0 earned runs in a season, with 58 saves in 2008.

Interpreted as:

most saves without an earned run by a player in a season

	NAME	SV	ER	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	IP	H	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Francisco Rodriguez F. Rodriguez	58	0	2008	LAA	65	2	1	.667	0	0.00	69	0	0	59.0	31	4	0	29	2	62	4	234	4	10.53	4.42	2.38	0.00	29.5	12.4	1.02	.231	0.61	4.73
2	Bobby Thigpen B. Thigpen	56	0	1990	CWS	67	2	0	1.000	0	0.00	63	0	0	77.1	37	2	0	26	1	64	3	285	2	7.33	3.03	2.42	0.00	22.1	9.1	0.81	.190	0.23	4.31
3	Edwin Díaz E. Díaz	54	0	2018	SEA	62	0	1	.000	0	0.00	109	0	0	62.2	22	1	0	12	6	59	0	224	0	15.65	1.72	9.08	0.00	48.7	5.4	0.54	.227	0.14	3.16
4	Eric Gagne E. Gagne	53	0	2003	LAD	70	1	0	1.000	0	0.00	127	0	0	75.0	22	0	0	15	3	62	1	264	2	15.24	1.80	8.47	0.00	48.1	5.7	0.49	.185	0.00	2.64
5	Trevor Hoffman T. Hoffman	51	0	1998	SDP	57	2	0	1.000	0	0.00	78	0	0	62.1	26	0	0	13	1	54	1	222	4	11.26	1.88	6.00	0.00	35.1	5.9	0.63	.200	0.00	3.75
6	Craig Kimbrel C. Kimbrel	49	0	2013	ATL	62	4	0	1.000	0	0.00	86	0	0	62.0	30	0	0	14	3	56	1	227	3	12.48	2.03	6.14	0.00	37.9	6.2	0.71	.242	0.00	4.35
7	Mariano Rivera M. Rivera	49	0	2004	NYY	65	3	0	1.000	0	0.00	60	0	0	70.0	40	0	0	16	4	62	2	262	0	7.71	2.06	3.75	0.00	22.9	6.1	0.80	.220	0.00	5.14
8	Jim Johnson J. Johnson	48	0	2013	BAL	60	2	2	.500	0	0.00	47	0	0	58.1	40	2	0	8	5	56	1	213	1	7.25	1.23	5.88	0.00	22.1	3.8	0.82	.261	0.31	6.17
9	John Smoltz J. Smoltz	48	0	2002	ATL	60	2	0	1.000	0	0.00	66	0	0	64.2	25	1	0	14	0	57	0	223	0	9.19	1.95	4.71	0.00	29.6	6.3	0.60	.175	0.14	3.48
10	Mariano Rivera M. Rivera	48	0	2001	NYY	59	1	1	.500	0	0.00	71	0	0	66.2	29	1	0	10	1	56	2	234	1	9.58	1.35	7.10	0.00	30.3	4.3	0.59	.191	0.14	3.91
11	Fernando Rodney F. Rodney	47	0	2012	TBR	72	2	1	.667	0	0.00	74	0	0	71.1	37	4	0	13	3	61	1	264	3	9.34	1.64	5.69	0.00	28.0	4.9	0.70	.213	0.50	4.67
12	Randy Myers R. Myers	47	0	1993	CHC	56	0	0		0	0.00	67	0	0	57.2	27	0	0	18	1	53	1	217	2	10.46	2.81	3.72	0.00	30.9	8.3	0.78	.206	0.00	4.21
13	Jeurys Familia J. Familia	46	0	2016	NYM	63	1	0	1.000	0	0.00	70	0	0	62.2	31	2	0	20	1	56	2	233	1	10.05	2.87	3.50	0.00	30.0	8.6	0.81	.218	0.29	4.45
14	Craig Kimbrel C. Kimbrel	46	0	2014	ATL	54	0	1	.000	0	0.00	84	0	0	53.0	15	2	0	17	1	50	0	193	2	14.26	2.89	4.94	0.00	43.5	8.8	0.60	.165	0.34	2.55
15	Jim Johnson J. Johnson	46	0	2012	BAL	62	1	0	1.000	0	0.00	36	0	0	60.1	31	0	0	13	2	57	1	218	1	5.37	1.94	2.77	0.00	16.5	6.0	0.73	.186	0.00	4.62
16	Jose Valverde J. Valverde	46	0	2011	DET	64	2	1	.667	0	0.00	58	0	0	62.0	31	2	0	24	3	61	2	240	2	8.42	3.48	2.42	0.00	24.2	10.0	0.89	.200	0.29	4.50
17	Craig Kimbrel C. Kimbrel	46	0	2011	ATL	67	3	0	1.000	0	0.00	110	0	0	66.0	24	1	0	22	1	59	0	239	3	15.00	3.00	5.00	0.00	46.0	9.2	0.70	.226	0.14	3.27
18	Brian Fuentes B. Fuentes	46	0	2009	LAA	51	1	0	1.000	0	0.00	38	0	0	46.0	21	0	0	13	4	50	1	171	1	7.43	2.54	2.92	0.00	22.2	7.6	0.74	.181	0.00	4.11
19	Dennis Eckersley D. Eckersley	46	0	1990	OAK	59	3	1	.750	0	0.00	68	0	0	67.0	33	4	0	3	0	57	1	234	0	9.13	0.40	22.67	0.00	29.1	1.3	0.54	.202	0.54	4.43
20	Kenley Jansen K. Jansen	45	0	2016	LAD	62	3	0	1.000	0	0.00	94	0	0	60.0	18	0	0	8	2	58	0	206	0	14.10	1.20	11.75	0.00	45.6	3.9	0.43	.176	0.00	2.70
21	Zack Britton Z. Britton	45	0	2016	BAL	65	2	0	1.000	0	0.00	70	0	0	63.2	31	3	0	17	0	60	3	237	9	9.90	2.40	4.12	0.00	29.5	7.2	0.75	.207	0.42	4.38
22	Mark Melancon M. Melancon	45	0	2015	PIT	68	3	0	1.000	0	0.00	50	0	0	67.0	33	3	0	10	2	54	1	238	2	6.72	1.34	5.00	0.00	21.0	4.2	0.64	.188	0.40	4.43
23	Eric Gagne E. Gagne	45	0	2002	LAD	61	4	0	1.000	0	0.00	93	0	0	66.0	28	0	0	13	1	55	4	235	0	12.68	1.77	7.15	0.00	39.6	5.5	0.62	.219	0.00	3.82
24	Emmanuel Clase E. Clase	44	0	2024	CLE	69	4	2	.667	0	0.00	62	0	0	69.1	32	5	0	10	1	62	1	246	2	8.05	1.30	6.20	0.00	25.2	4.1	0.61	.185	0.65	4.15
25	Mark Melancon M. Melancon	44	0	2016	TOT	64	1	1	.500	0	0.00	58	0	0	59.1	30	3	0	10	0	59	0	213	3	8.80	1.52	5.80	0.00	27.2	4.7	0.67	.207	0.46	4.55