lowest era in mlb history, minimum 500 ip, maximum 0 starts

Billy Wagner has the lowest career ERA in starts when pitching at least 500 innings, with an ERA of 2.31.

Interpreted as:

lowest era by a player in MLB history, minimum 500 ip, maximum 0 starts

	NAME	ERA	IP	GS	G	W	L	W%	SO	CG	SHO	SV	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	Billy Wagner B. Wagner	2.31	903.0	0	853	47	40	.540	1,196	0	0	422	601	232	262	82	300	33	703	26	3,600	43	11.92	2.99	3.99	0.82	33.2	8.3	1.00	.261	2.61	54	2.72	63	5.99	159
2	Aroldis Chapman A. Chapman	2.54	806.2	0	847	59	46	.562	1,312	0	0	356	468	228	253	54	406	33	549	7	3,287	84	14.64	4.53	3.23	0.60	39.9	12.4	1.08	.279	2.82	62	2.38	57	5.22	156.6
3	Kenley Jansen K. Jansen	2.58	914.1	0	921	53	38	.582	1,266	0	0	469	606	262	281	87	276	31	689	20	3,631	21	12.46	2.72	4.59	0.86	34.9	7.6	0.96	.263	2.77	65	2.60	64	5.97	146.7
4	Darren O'Day D. O'Day	2.59	609.0	0	644	42	21	.667	637	0	0	21	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	61	3.48	82	6.77	52.4
5	Craig Kimbrel C. Kimbrel	2.59	810.2	0	838	56	47	.544	1,266	0	0	440	483	233	259	73	340	40	651	11	3,260	70	14.06	3.77	3.72	0.81	38.8	10.4	1.02	.266	2.88	63	2.58	63	5.36	131.9
6	Josh Hader J. Hader	2.64	512.1	0	468	34	31	.523	829	0	0	226	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	64	2.88	69	4.95	75.7
7	Tom Henke T. Henke	2.67	789.2	0	642	41	42	.494	861	0	0	311	607	234	252	64	255	9	548	29	3,194	30	9.81	2.91	3.38	0.73	27.0	8.0	1.09	.271	2.87	64	2.71	66	6.92	123.5
8	Brad Ziegler B. Ziegler	2.75	717.1	0	739	37	38	.493	479	0	0	105	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	68	3.49	87	8.21	41.9
9	Bob Locker B. Locker	2.75	879.0	0	576	57	39	.594	577	0	0	95	776	269	329	40	257	36	288	80	3,643	37	5.91	2.63	2.25	0.41	15.8	7.1	1.18	.269	3.37	82	2.79	80	7.95	68.1
10	Dan Quisenberry D. Quisenberry	2.76	1043.1	0	674	56	46	.549	379	0	0	244	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	69	3.23	82	9.18	81.6
11	Bruce Sutter B. Sutter	2.83	1042.0	0	661	68	71	.489	861	0	0	300	879	328	370	77	309	13	512	83	4,251	37	7.44	2.67	2.79	0.67	20.3	7.3	1.14	.268	3.20	75	2.93	80	7.59	88
12	Kent Tekulve K. Tekulve	2.85	1436.2	0	1,050	94	90	.511	779	0	0	184	1,305	455	526	63	491	17	638	179	6,001	23	4.88	3.08	1.59	0.39	13.0	8.2	1.25	.267	3.30	77	3.25	88	8.18	71.1
13	Francisco Rodriguez F. Rodriguez	2.86	976.0	0	948	52	53	.495	1,142	0	0	437	738	310	336	98	389	17	677	42	4,011	68	10.53	3.59	2.94	0.90	28.5	9.7	1.15	.271	3.10	69	3.30	79	6.81	97
14	Trevor Hoffman T. Hoffman	2.87	1089.1	0	1,035	61	75	.449	1,133	0	0	601	846	347	378	100	307	9	856	58	4,388	49	9.36	2.54	3.69	0.83	25.8	7.0	1.06	.263	3.12	71	3.07	73	6.99	143.1
15	Sparky Lyle S. Lyle	2.88	1390.1	0	899	99	76	.566	873	0	0	238	1,292	445	519	84	481	14	634	81	5,794	66	5.65	3.11	1.81	0.54	15.1	8.3	1.28	.278	3.36	79	3.19	86	8.36	81.4
16	John Franco J. Franco	2.89	1245.2	0	1,119	90	87	.508	975	0	0	424	1,166	400	466	81	495	22	774	78	5,312	54	7.04	3.58	1.97	0.59	18.4	9.3	1.33	.290	3.37	73	3.44	86	8.42	76
17	Tony Watson T. Watson	2.90	648.1	0	689	47	29	.618	570	0	0	32	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	73	3.59	91	7.33	24.5
18	Mark Melancon M. Melancon	2.94	726.2	0	732	37	40	.481	643	0	0	262	657	237	276	44	192	25	454	23	2,981	44	7.96	2.38	3.35	0.54	21.6	6.4	1.17	.295	3.42	73	3.03	76	8.14	75.9
19	Huston Street H. Street	2.95	680.0	0	668	42	34	.553	665	0	0	324	542	223	237	70	183	8	525	37	2,718	20	8.80	2.42	3.63	0.93	24.5	6.7	1.07	.263	3.14	71	3.32	81	7.17	61.7
20	Jared Hughes J. Hughes	2.96	541.1	0	542	30	26	.536	371	0	0	12	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	74	4.17	103	7.98	-8.5
21	Steve Cishek S. Cishek	2.98	710.2	0	737	33	43	.434	743	0	0	133	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	75	3.48	86	7.16	41.6
22	Joe Hoerner J. Hoerner	2.99	563.0	0	493	39	34	.534	412	0	0	98	519	187	213	50	181	18	268	59	2,375	19	6.59	2.89	2.28	0.80	17.3	7.6	1.24	.274	3.40	83	3.27	94	8.30	10.9
23	Steve Howe S. Howe	3.03	606.0	0	497	47	41	.534	328	0	0	91	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	76	3.20	81	8.70	49.4
24	Jesse Crain J. Crain	3.05	532.0	0	532	45	30	.600	440	0	0	4	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	71	3.76	89	7.60	27.6
25	J.J. Putz	3.08	566.2	0	572	37	33	.529	599	0	0	189	469	194	203	50	184	19	357	18	2,329	24	9.51	2.92	3.26	0.79	25.7	7.9	1.15	.284	3.22	73	3.20	76	7.45	63.2