all-time era- leaders, minimum 500 ip, maximum 150 saves, maximum 50 starts

Darren O'Day has the best career ERA- with at most 150 saves, when pitching at least 500 innings and starting at most 50 games, with an ERA- of 61.

	NAME	ERA-	IP	SV	GS	G	W	L	W%	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	0	644	42	21	.667	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	Blake Treinen B. Treinen	68	562.1	82	7	513	43	36	.544	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
3	Brad Ziegler B. Ziegler	68	717.1	105	0	739	37	38	.493	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
4	Jesse Crain J. Crain	71	532.0	4	0	532	45	30	.600	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
5	Mark Eichhorn M. Eichhorn	72	885.2	32	7	563	48	43	.527	3.00	640	0	0	825	295	328	49	270	40	226	63	3,702	25	6.50	2.74	2.37	0.50	17.3	7.3	1.24	.287	3.33	3.17	76	8.38	100.3
6	Scot Shields S. Shields	73	697.0	21	15	491	46	44	.511	3.18	631	0	0	589	246	285	55	278	21	114	21	2,916	49	8.15	3.59	2.27	0.71	21.6	9.5	1.24	.277	3.68	3.57	82	7.61	61.2
7	Chad Bradford C. Bradford	73	515.2	11	0	561	36	28	.563	3.26	313	0	0	527	187	214	28	137	29	115	39	2,180	4	5.46	2.39	2.28	0.49	14.4	6.3	1.29	.298	3.73	3.54	79	9.20	53.7
8	Tony Watson T. Watson	73	648.1	32	0	689	47	29	.618	2.90	570	0	0	528	209	222	63	174	33	109	20	2,620	5	7.91	2.42	3.28	0.87	21.8	6.6	1.08	.261	3.08	3.59	91	7.33	24.5
9	Jared Hughes J. Hughes	74	541.1	12	0	542	30	26	.536	2.96	371	0	0	480	178	210	47	190	40	129	25	2,247	29	6.17	3.16	1.95	0.78	16.5	8.5	1.24	.271	3.49	4.17	103	7.98	-8.5
10	Steve Cishek S. Cishek	75	710.2	133	0	737	33	43	.434	2.98	743	0	0	565	235	264	54	288	59	312	38	2,993	29	9.41	3.65	2.58	0.68	24.8	9.6	1.20	.276	3.34	3.48	86	7.16	41.6
11	Tim Burke T. Burke	75	699.1	102	2	498	49	33	.598	2.72	444	0	0	624	211	251	49	219	21	262	71	2,906	25	5.71	2.82	2.03	0.63	15.3	7.5	1.21	.265	3.23	3.45	93	8.03	19.9
12	John Hiller J. Hiller	75	1242.0	125	43	545	87	76	.534	2.83	1,036	13	6	1,040	391	438	110	535	12	363	71	5,206	39	7.51	3.88	1.94	0.80	19.9	10.3	1.27	.265	3.17	3.38	89	7.54	58.9
13	Kelvin Herrera K. Herrera	76	513.2	61	0	522	27	32	.458	3.21	510	0	0	458	183	197	50	160	16	166	17	2,140	26	8.94	2.80	3.19	0.88	23.8	7.5	1.20	.291	3.45	3.43	83	8.02	39
14	Rafael Betancourt R. Betancourt	76	685.2	75	0	680	38	37	.507	3.36	724	0	0	596	256	274	71	164	1	241	40	2,787	17	9.50	2.15	4.41	0.93	26.0	5.9	1.11	.287	3.60	3.04	71	7.82	92
15	B.J. Ryan	76	536.2	117	0	560	21	28	.429	3.37	625	0	0	424	201	216	42	264	17	249	27	2,273	21	10.48	4.43	2.37	0.70	27.5	11.6	1.28	.288	3.62	3.32	73	7.11	71.3
16	Jeff Nelson J. Nelson	76	784.2	33	0	798	48	45	.516	3.41	829	0	0	633	297	329	55	428	64	237	59	3,402	36	9.51	4.91	1.94	0.63	24.4	12.6	1.35	.285	3.77	3.72	84	7.26	67.2
17	Steve Howe S. Howe	76	606.0	91	0	497	47	41	.534	3.03	328	0	0	586	204	239	32	139	18	257	54	2,523	17	4.87	2.06	2.36	0.48	13.0	5.5	1.20	.276	3.55	3.20	81	8.70	49.4
18	Steve Reed S. Reed	77	870.2	18	0	833	49	44	.527	3.63	630	0	0	811	351	384	107	285	61	197	46	3,662	11	6.51	2.95	2.21	1.11	17.2	7.8	1.26	.273	3.97	4.41	97	8.38	12.6
19	Tyler Clippard T. Clippard	77	872.1	74	14	807	56	48	.538	3.16	956	0	0	625	306	327	112	344	32	212	19	3,575	48	9.86	3.55	2.78	1.16	26.7	9.6	1.11	.241	3.37	3.88	95	6.45	18.9
20	Taylor Rogers T. Rogers	77	527.0	83	0	553	30	36	.455	3.26	612	0	0	466	191	223	53	162	35	161	22	2,194	12	10.45	2.77	3.78	0.91	27.9	7.4	1.19	.310	3.81	3.27	77	7.96	57.4
21	Joe Smith J. Smith	77	762.1	30	0	866	55	34	.618	3.14	666	0	0	653	266	289	66	254	40	176	31	3,150	19	7.86	3.00	2.62	0.78	21.1	8.1	1.19	.276	3.41	3.65	89	7.71	39
22	Greg McMichael G. McMichael	77	523.1	53	0	453	31	29	.517	3.25	459	0	0	483	189	215	42	193	9	164	48	2,213	32	7.89	3.32	2.38	0.72	20.7	8.7	1.29	.292	3.70	3.54	82	8.31	41.9
23	Dave Veres D. Veres	77	694.0	95	0	605	36	35	.507	3.44	617	0	0	661	265	287	78	257	28	284	30	2,957	45	8.00	3.33	2.40	1.01	20.9	8.7	1.32	.295	3.72	4.01	91	8.57	30.5
24	Damaso Marte D. Marte	78	503.2	36	0	570	23	27	.460	3.48	533	0	0	405	195	209	48	229	26	137	30	2,118	15	9.52	4.09	2.33	0.86	25.2	10.8	1.26	.278	3.73	3.71	82	7.24	44.9
25	Pedro Strop P. Strop	78	505.2	32	0	561	29	30	.492	3.20	554	0	0	360	180	194	34	232	37	141	19	2,111	54	9.86	4.13	2.39	0.61	26.2	11.0	1.17	.260	3.45	3.40	83	6.41	38.8