lowest era- by a player with at least 750 ip between 1966 to 1972

Between the 1966 and 1972 seasons, Bob Gibson had the lowest ERA- when pitching at least 750 innings, with an ERA- of 68.

	NAME	ERA-	IP	G	W	L	W%	GS	ERA	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	FIP	FIP-	H/9	PRAA
1	Bob Gibson B. Gibson	68	1892.0	227	134	72	.650	227	2.42	1,576	152	36	0	1,513	509	575	94	527	39	0	52	7,611	48	7.50	2.51	2.99	0.45	20.7	6.9	1.08	.264	2.74	2.37	70	7.20	209.5
2	Wilbur Wood W. Wood	69	1206.1	385	82	68	.547	101	2.34	682	42	15	57	1,050	313	385	79	273	23	170	45	4,854	35	5.09	2.04	2.50	0.59	14.1	5.6	1.10	.256	2.87	2.91	83	7.83	80.6
3	Tom Seaver T. Seaver	71	1641.1	215	116	66	.637	210	2.43	1,404	103	21	1	1,305	444	489	120	429	33	5	32	6,542	40	7.70	2.35	3.27	0.66	21.5	6.6	1.06	.260	2.68	2.57	78	7.16	134.9
4	Gaylord Perry G. Perry	76	2116.0	273	134	95	.585	267	2.62	1,443	142	24	3	1,803	615	731	132	507	49	5	74	8,547	68	6.14	2.16	2.85	0.56	16.9	5.9	1.09	.260	3.11	2.73	81	7.67	147
5	Jim Palmer J. Palmer	78	1299.2	177	95	44	.683	174	2.65	860	74	18	0	1,054	382	414	99	451	7	1	13	5,299	38	5.96	3.12	1.91	0.69	16.2	8.5	1.16	.246	2.87	3.23	91	7.30	45.4
6	Gary Nolan G. Nolan	80	1156.2	169	76	47	.618	166	2.83	817	33	12	0	981	364	407	89	336	12	1	36	4,719	23	6.36	2.61	2.43	0.69	17.3	7.1	1.14	.257	3.17	2.98	88	7.63	51.5
7	Luis Tiant L. Tiant	80	1220.2	233	77	65	.542	160	2.76	1,016	59	23	13	964	374	425	120	457	18	43	27	5,002	13	7.49	3.37	2.22	0.88	20.3	9.1	1.16	.249	3.13	3.26	91	7.11	37.2
8	Fergie Jenkins F. Jenkins	80	2020.1	297	133	92	.591	246	3.03	1,640	142	25	6	1,741	680	749	198	430	37	24	61	8,154	31	7.31	1.92	3.81	0.88	20.1	5.3	1.07	.264	3.34	2.83	79	7.76	171.9
9	Juan Marichal J. Marichal	80	1821.2	234	122	73	.626	230	2.80	1,165	138	24	0	1,651	566	686	158	328	25	3	44	7,360	28	5.76	1.62	3.55	0.78	15.8	4.5	1.09	.263	3.39	2.92	87	8.16	83.9
10	Phil Niekro P. Niekro	81	1579.0	265	95	81	.540	193	2.94	984	91	18	16	1,399	515	620	139	371	33	43	29	6,444	77	5.61	2.11	2.65	0.79	15.3	5.8	1.12	.256	3.53	3.15	90	7.97	57.3
11	Steve Carlton S. Carlton	82	1586.2	216	104	72	.591	211	2.86	1,240	96	24	1	1,399	505	573	103	528	17	2	47	6,555	55	7.03	2.99	2.35	0.58	18.9	8.1	1.21	.278	3.25	2.79	83	7.94	102.2
12	Mike Cuellar M. Cuellar	84	1773.1	254	121	72	.627	236	2.81	1,139	115	23	4	1,511	554	647	137	457	5	12	35	7,140	27	5.78	2.32	2.49	0.70	16.0	6.4	1.11	.254	3.28	3.00	88	7.67	83.1
13	Bill Hands B. Hands	84	1564.0	276	92	86	.517	213	3.18	900	64	14	9	1,485	552	636	132	389	27	36	50	6,464	32	5.18	2.24	2.31	0.76	13.9	6.0	1.20	.270	3.66	3.24	89	8.55	71.7
14	Jerry Koosman J. Koosman	84	1067.2	166	65	53	.551	146	2.88	730	46	15	1	934	342	389	81	330	21	6	47	4,390	38	6.15	2.78	2.21	0.68	16.6	7.5	1.18	.264	3.28	3.08	93	7.87	24.7
15	Tommy John T. John	85	1496.1	227	79	78	.503	221	2.93	879	54	21	0	1,372	487	574	101	442	42	1	47	6,182	69	5.29	2.66	1.99	0.61	14.2	7.1	1.21	.269	3.45	3.17	89	8.25	61.8
16	Andy Messersmith A. Messersmith	85	972.1	168	59	47	.557	123	2.78	768	42	11	12	706	300	345	62	402	21	26	31	3,984	32	7.11	3.72	1.91	0.57	19.3	10.1	1.14	.236	3.19	3.04	89	6.53	40.1
17	Clay Carroll C. Carroll	86	826.0	445	58	45	.563	15	3.02	441	1	0	103	786	277	318	41	275	25	244	71	3,471	27	4.81	3.00	1.60	0.45	12.7	7.9	1.28	.277	3.46	3.16	94	8.56	21.3
18	Sam McDowell S. McDowell	88	1668.2	251	98	88	.527	235	3.07	1,641	78	16	5	1,285	569	650	118	807	46	12	53	7,002	85	8.85	4.35	2.03	0.64	23.4	11.5	1.25	.266	3.51	2.99	83	6.93	116
19	Jim Kaat J. Kaat	88	1622.1	252	106	77	.579	227	3.09	1,006	75	12	1	1,597	557	666	137	337	33	8	40	6,742	56	5.58	1.87	2.99	0.76	14.9	5.0	1.19	.279	3.69	3.05	84	8.86	104.7
20	Dock Ellis D. Ellis	89	914.2	147	64	48	.571	129	3.09	586	34	9	0	845	314	370	48	297	20	5	31	3,812	19	5.77	2.92	1.97	0.47	15.4	7.8	1.25	.279	3.64	2.92	88	8.31	42.4
21	Jim Perry J. Perry	90	1482.0	263	101	71	.587	204	3.13	817	52	14	2	1,341	515	576	124	414	44	18	46	6,111	25	4.96	2.51	1.97	0.75	13.4	6.8	1.18	.258	3.50	3.41	94	8.14	39.6
22	Dean Chance D. Chance	90	1170.1	224	66	66	.500	163	3.05	857	46	14	8	1,016	397	483	79	391	38	31	43	4,853	45	6.59	3.01	2.19	0.61	17.7	8.1	1.20	.269	3.71	3.02	85	7.81	64.1
23	Pat Dobson P. Dobson	90	1081.0	240	61	61	.500	127	3.08	724	42	9	18	952	370	426	94	324	15	46	34	4,435	26	6.03	2.70	2.23	0.78	16.3	7.3	1.18	.262	3.55	3.21	93	7.93	29.6
24	Sonny Siebert S. Siebert	90	1464.0	241	95	71	.572	207	3.14	974	54	15	10	1,266	510	609	142	459	40	18	27	6,045	39	5.99	2.82	2.12	0.87	16.1	7.6	1.18	.254	3.74	3.45	95	7.78	31.6
25	Dave McNally D. McNally	90	1635.0	240	120	61	.663	236	3.01	992	76	19	0	1,438	547	600	148	446	35	2	29	6,638	34	5.46	2.46	2.22	0.81	14.9	6.7	1.15	.257	3.30	3.34	96	7.92	23.9