mlb relief pitchers best era since 1950, min 750 ip

Since 1950, Mariano Rivera has the lowest ERA by a relief pitcher when pitching at least 750 innings, with an ERA of 2.06.

	NAME	ERA	IP	G	W	L	W%	GS	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	H/9
1	Mariano Rivera M. Rivera	2.06	1233.2	1,105	79	57	.581	0	1,135	0	0	652	934	282	305	63	266	44	952	41	4,870	13	8.28	1.94	4.27	0.46	23.3	5.5	0.97	.259	2.23	6.81
2	Billy Wagner B. Wagner	2.31	903.0	853	47	40	.540	0	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	5.99
3	Hoyt Wilhelm H. Wilhelm	2.49	1872.1	1,018	124	103	.546	0	1,363	0	0	228	1,436	518	636	125	661	51	651	58	7,619	83	6.55	3.18	2.06	0.60	17.9	8.7	1.12	.242	3.06	6.90
4	Joe Nathan J. Nathan	2.50	761.0	758	52	29	.642	0	881	0	0	377	540	211	222	60	248	18	587	27	3,048	41	10.42	2.93	3.55	0.71	28.9	8.1	1.04	.261	2.63	6.39
5	Aroldis Chapman A. Chapman	2.52	821.1	863	60	47	.561	0	1,331	0	0	367	475	230	255	54	408	33	563	7	3,341	87	14.58	4.47	3.26	0.59	39.8	12.2	1.08	.278	2.79	5.20
6	Kenley Jansen K. Jansen	2.57	927.1	934	54	40	.574	0	1,278	0	0	475	610	265	284	88	282	32	700	20	3,680	21	12.40	2.74	4.53	0.85	34.7	7.7	0.96	.261	2.76	5.92
7	Craig Kimbrel C. Kimbrel	2.58	821.2	851	56	48	.538	0	1,282	0	0	440	492	236	263	75	346	40	656	11	3,306	70	14.04	3.79	3.71	0.82	38.8	10.5	1.02	.267	2.88	5.39
8	Dave Smith D. Smith	2.64	807.1	608	53	53	.500	0	548	0	0	216	696	237	277	34	281	13	432	64	3,345	28	6.11	3.13	1.95	0.38	16.4	8.4	1.21	.268	3.09	7.76
9	Tom Henke T. Henke	2.67	789.2	642	41	42	.494	0	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	6.92
10	Rollie Fingers R. Fingers	2.73	1505.2	907	107	101	.514	0	1,183	0	0	341	1,276	456	502	97	429	29	709	105	6,104	37	7.07	2.56	2.76	0.58	19.4	7.0	1.13	.270	3.00	7.63
11	Bob Locker B. Locker	2.75	879.0	576	57	39	.594	0	577	0	0	95	776	269	329	40	258	36	288	80	3,639	37	5.91	2.64	2.24	0.41	15.9	7.1	1.18	.270	3.37	7.95
12	Dan Quisenberry D. Quisenberry	2.76	1043.1	674	56	46	.549	0	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	9.18
13	Rich Gossage R. Gossage	2.77	1556.2	965	115	85	.575	0	1,340	0	0	310	1,235	479	537	98	628	38	681	87	6,408	56	7.75	3.63	2.13	0.57	20.9	9.8	1.20	.264	3.10	7.14
14	John Hiller J. Hiller	2.78	963.0	502	72	57	.558	0	831	0	0	125	792	297	334	82	439	11	363	69	4,054	33	7.77	4.10	1.89	0.77	20.5	10.8	1.28	.264	3.12	7.40
15	Ron Perranoski R. Perranoski	2.78	1170.2	736	79	74	.516	0	685	0	0	178	1,091	362	440	48	467	24	458	121	5,002	28	5.27	3.59	1.47	0.37	13.7	9.3	1.33	.276	3.38	8.39
16	Jim Brewer J. Brewer	2.80	860.2	549	62	49	.559	0	698	0	0	133	703	268	303	72	304	9	351	69	3,524	38	7.30	3.18	2.30	0.75	19.8	8.6	1.17	.259	3.17	7.35
17	Clay Carroll C. Carroll	2.82	1204.2	703	88	66	.571	0	613	0	0	143	1,141	377	438	57	397	35	373	105	5,047	38	4.58	2.97	1.54	0.43	12.1	7.9	1.28	.275	3.27	8.52
18	Frank Linzy F. Linzy	2.83	812.1	514	62	57	.521	0	356	0	0	110	778	255	311	35	282	13	342	97	3,432	30	3.94	3.12	1.26	0.39	10.4	8.2	1.30	.271	3.45	8.62
19	Dick Hall D. Hall	2.83	780.1	421	71	41	.634	0	501	0	0	71	668	245	268	72	131	12	237	59	3,085	2	5.78	1.51	3.82	0.83	16.2	4.2	1.02	.252	3.09	7.70
20	Bruce Sutter B. Sutter	2.83	1042.0	661	68	71	.489	0	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	7.59
21	Kent Tekulve K. Tekulve	2.85	1436.2	1,050	94	90	.511	0	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	8.18
22	Dennis Eckersley D. Eckersley	2.85	807.1	710	48	41	.539	0	792	0	0	390	680	256	278	79	126	19	577	29	3,204	4	8.83	1.40	6.29	0.88	24.7	3.9	1.00	.275	3.10	7.58
23	Francisco Rodriguez F. Rodriguez	2.86	976.0	948	52	53	.495	0	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	6.81
24	Tug McGraw T. McGraw	2.86	1301.1	785	89	69	.563	0	974	0	0	180	1,104	414	467	74	494	20	541	123	5,391	51	6.74	3.42	1.97	0.51	18.1	9.2	1.23	.269	3.23	7.64
25	Gary Lavelle G. Lavelle	2.86	1077.2	742	80	75	.516	0	766	0	0	136	993	343	403	50	438	13	399	126	4,571	19	6.40	3.66	1.75	0.42	16.8	9.6	1.33	.285	3.37	8.29