all-time era- leaders, minimum 500 ip, maximum 300 saves

Darren O'Day has the lowest career ERA- when pitching at least 500 innings with 300 or fewer saves, with an ERA- of 61.

	NAME	ERA-	IP	SV	G	W	L	W%	GS	ERA	SO	CG	SHO	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	FIP	FIP-	H/9	PRAA
1	Darren O'Day D. O'Day	61	609.0	21	644	42	21	.667	0	2.59	637	0	0	458	175	189	64	172	50	155	24	2,461	3	9.41	2.54	3.70	0.95	25.9	7.0	1.03	.256	2.79	3.48	82	6.77	52.4
2	Josh Hader J. Hader	64	512.1	226	468	34	31	.523	0	2.64	829	0	0	282	150	164	65	198	24	321	6	2,019	19	14.56	3.48	4.19	1.14	41.1	9.8	0.94	.240	2.88	2.88	69	4.95	75.8
3	Clayton Kershaw C. Kershaw	64	2814.1	0	446	218	96	.694	443	2.52	3,014	25	15	2,162	787	864	233	697	46	1	28	11,112	107	9.64	2.23	4.32	0.75	27.1	6.3	1.02	.271	2.76	2.84	70	6.91	369.9
4	Jacob deGrom J. deGrom	65	1502.1	0	241	94	62	.603	241	2.55	1,809	4	2	1,149	426	463	139	338	24	0	13	5,901	28	10.84	2.02	5.35	0.83	30.7	5.7	0.99	.281	2.77	2.67	65	6.88	238.4
5	Pedro Martinez P. Martinez	66	2827.1	3	476	219	100	.687	409	2.93	3,154	46	17	2,221	919	1,006	239	760	141	23	30	11,394	62	10.04	2.42	4.15	0.76	27.7	6.7	1.05	.279	3.20	2.91	68	7.07	454.6
6	Jim Devlin J. Devlin	67	1181.0	0	129	65	60	.520	129	1.89	263	127	9	1,183	248	597	7	78		0		4,896	34	2.00	0.59	3.37	0.05	5.4	1.6	1.07		4.55	2.35	84	9.02	88.9
7	Walter Johnson W. Johnson	68	5914.1	34	802	417	279	.599	666	2.17	3,509	531	110	4,913	1,424	1,902	97	1,363	205	127		23,405	154	5.34	2.07	2.57	0.15	15.0	5.8	1.06	.264	2.89	2.42	76	7.48	472.8
8	Blake Treinen B. Treinen	68	562.1	82	513	43	36	.544	7	2.82	579	0	0	473	176	201	42	212	19	193	22	2,320	23	9.27	3.39	2.73	0.67	25.0	9.1	1.22	.294	3.22	3.30	79	7.57	53.5
9	Brad Ziegler B. Ziegler	68	717.1	105	739	37	38	.493	0	2.75	479	0	0	654	219	251	32	248	25	264	55	2,947	7	6.01	3.11	1.93	0.40	16.3	8.4	1.26	.288	3.15	3.49	87	8.21	41.9
10	Lefty Grove L. Grove	68	3940.2	54	616	300	141	.680	457	3.06	2,266	298	35	3,849	1,339	1,594	162	1,187	42	123		16,622	51	5.18	2.71	1.91	0.37	13.6	7.1	1.28	.284	3.64	3.36	76	8.79	462.8
11	Hoyt Wilhelm H. Wilhelm	68	2254.1	228	1,070	143	122	.540	52	2.52	1,610	20	5	1,757	632	773	150	778	62	651	61	9,164	90	6.43	3.11	2.07	0.60	17.6	8.5	1.12	.245	3.09	3.06	82	7.01	167.6
12	Ed Walsh E. Walsh	69	2964.1	35	430	195	126	.607	315	1.82	1,736	250	57	2,346	598	873	23	617	52	105		11,413	76	5.27	1.87	2.81	0.07	15.2	5.4	1.00	.259	2.65	2.02	79	7.12	164.3
13	Dan Quisenberry D. Quisenberry	69	1043.1	244	674	56	46	.549	0	2.76	379	0	0	1,064	320	356	59	162	7	553	70	4,247	4	3.27	1.40	2.34	0.51	8.9	3.8	1.18	.276	3.07	3.23	82	9.18	81.6
14	David Robertson D. Robertson	70	877.2	177	862	66	46	.589	1	2.90	1,155	0	0	657	283	306	77	358	25	354	37	3,617	57	11.84	3.67	3.23	0.79	31.9	9.9	1.16	.290	3.14	2.94	69	6.74	123.6
15	Joe Wood J. Wood	70	1434.1	10	225	117	57	.672	158	2.03	989	121	28	1,138	324	497	10	421	49	56		5,640	43	6.21	2.64	2.35	0.06	17.5	7.5	1.09	.270	3.12	2.26	78	7.14	105.8
16	Addie Joss A. Joss	70	2327.0	5	286	160	97	.623	260	1.89	920	234	45	1,888	488	730	19	364	58	22		8,891	28	3.56	1.41	2.53	0.07	10.3	4.1	0.97	.248	2.82	2.25	86	7.30	88.8
17	Roger Clemens R. Clemens	70	4916.2	0	709	354	184	.658	707	3.12	4,672	118	46	4,185	1,707	1,885	363	1,580	159	0	63	20,240	143	8.55	2.89	2.96	0.66	23.1	7.8	1.17	.284	3.45	3.08	71	7.66	680.4
18	Raisel Iglesias R. Iglesias	70	717.1	240	581	42	55	.433	21	2.99	849	0	0	563	238	264	83	196	27	441	17	2,894	17	10.65	2.46	4.33	1.04	29.3	6.8	1.06	.276	3.31	3.22	77	7.06	78.3
19	Mordecai Brown M. Brown	71	3172.1	49	481	239	130	.648	332	2.06	1,375	271	55	2,708	725	1,044	43	673	61	138		12,422	61	3.90	1.91	2.04	0.12	11.1	5.4	1.07	.259	2.96	2.42	83	7.68	161.9
20	Jesse Crain J. Crain	71	532.0	4	532	45	30	.600	0	3.05	440	0	0	449	180	205	44	206	18	116	27	2,221	14	7.44	3.48	2.14	0.74	19.8	9.3	1.23	.268	3.47	3.76	89	7.60	27.6
21	Rafael Soriano R. Soriano	71	636.1	207	591	24	28	.462	8	2.89	641	0	0	489	204	213	62	197	15	343	20	2,571	13	9.07	2.79	3.25	0.88	24.9	7.7	1.08	.258	3.01	3.34	81	6.92	58.6
22	Chris Sale C. Sale	71	2047.2	12	387	143	87	.622	307	3.02	2,528	16	3	1,668	686	739	209	481	126	25	15	8,249	47	11.11	2.11	5.26	0.92	30.6	5.8	1.05	.297	3.25	2.88	69	7.33	297.2
23	Shohei Ohtani S. Ohtani	71	505.0	0	95	38	19	.667	95	3.03	640	1	1	369	170	178	55	178	24	0	2	2,047	48	11.41	3.17	3.60	0.98	31.3	8.7	1.08	.273	3.17	3.24	76	6.58	55.4
24	Brandon Woodruff B. Woodruff	71	719.2	1	137	50	26	.658	122	3.04	837	2	1	556	243	252	82	184	30	4	1	2,874	8	10.47	2.30	4.55	1.03	29.1	6.4	1.03	.272	3.15	3.21	75	6.95	84
25	Armando Benitez A. Benitez	72	779.0	289	762	40	47	.460	0	3.13	946	0	0	545	271	296	95	403	16	527	32	3,253	18	10.93	4.66	2.35	1.10	29.1	12.4	1.22	.251	3.42	3.86	88	6.30	48.8