lowest era- by a player with at least 750 ip between 1966 to 1970

Between the 1966 and 1970 seasons, Bob Gibson had the lowest ERA- when pitching at least 750 innings, with an ERA- of 64.

	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	64	1368.1	162	99	48	.673	162	2.30	1,183	109	27	0	1,072	350	396	66	363	29	0	30	5,466	28	7.78	2.39	3.26	0.43	21.6	6.6	1.05	.263	2.60	2.28	68	7.05	165.6
2	Tom Seaver T. Seaver	72	1093.0	144	75	44	.630	140	2.49	866	69	14	1	880	303	336	79	291	24	4	28	4,379	27	7.13	2.40	2.98	0.65	19.8	6.6	1.07	.257	2.77	2.74	83	7.25	70.4
3	Juan Marichal J. Marichal	76	1377.2	172	98	46	.681	169	2.66	934	114	20	0	1,231	407	491	116	226	19	2	31	5,537	20	6.10	1.48	4.13	0.76	16.9	4.1	1.06	.263	3.21	2.79	84	8.04	82
4	Jim Perry J. Perry	78	994.1	188	71	38	.651	130	2.78	606	39	12	1	887	307	348	71	252	31	17	31	4,067	16	5.49	2.28	2.40	0.64	14.9	6.2	1.15	.263	3.15	3.10	83	8.03	70.2
5	Gaylord Perry G. Perry	79	1493.1	195	94	67	.584	190	2.75	1,051	99	17	2	1,295	456	536	95	358	32	4	54	6,053	49	6.33	2.16	2.94	0.57	17.4	5.9	1.11	.266	3.23	2.73	81	7.80	104.1
6	Luis Tiant L. Tiant	80	969.1	169	61	52	.540	131	2.76	834	46	17	10	763	297	338	105	360	17	27	21	3,968	9	7.74	3.34	2.32	0.97	21.0	9.1	1.16	.248	3.14	3.35	93	7.08	21
7	Phil Niekro P. Niekro	80	1028.0	185	64	55	.538	121	2.89	647	56	13	14	897	330	396	90	248	25	38	20	4,193	59	5.66	2.17	2.61	0.79	15.4	5.9	1.11	.254	3.47	3.19	93	7.85	26.1
8	Tommy John T. John	81	1080.1	160	55	57	.491	157	2.79	631	40	17	0	956	335	391	70	344	34	1	41	4,441	49	5.26	2.87	1.83	0.58	14.2	7.7	1.20	.264	3.26	3.26	91	7.96	40.1
9	Fergie Jenkins F. Jenkins	81	1406.0	222	89	67	.571	171	3.05	1,193	89	17	6	1,184	477	524	137	331	25	24	48	5,679	25	7.64	2.12	3.60	0.88	21.0	5.8	1.08	.262	3.35	2.85	80	7.58	115.2
10	Mike Cuellar M. Cuellar	82	1232.2	181	83	51	.619	163	2.80	883	77	15	4	1,064	383	458	86	308	4	12	30	4,985	21	6.45	2.25	2.87	0.63	17.7	6.2	1.11	.264	3.34	2.77	80	7.77	93.9
11	Sam McDowell S. McDowell	82	1289.2	188	75	63	.543	179	2.85	1,327	66	14	4	970	409	475	84	568	37	8	34	5,341	61	9.26	3.96	2.34	0.59	24.8	10.6	1.19	.266	3.31	2.72	75	6.77	128.9
12	Bill Hands B. Hands	83	1132.2	208	69	60	.535	150	3.15	676	44	10	9	1,069	397	451	93	292	23	32	37	4,675	26	5.37	2.32	2.32	0.74	14.5	6.2	1.20	.272	3.58	3.23	90	8.49	51.9
13	Bill Singer B. Singer	85	886.2	129	53	42	.558	121	2.65	740	40	14	1	739	261	300	51	247	25	4	28	3,622	32	7.51	2.51	3.00	0.52	20.4	6.8	1.11	.269	3.05	2.49	82	7.50	53.5
14	Steve Carlton S. Carlton	85	967.0	138	57	53	.518	134	2.99	758	48	12	1	867	321	369	63	343	11	2	28	4,033	35	7.05	3.19	2.21	0.59	18.8	8.5	1.25	.281	3.43	2.90	86	8.07	49.8
15	Sonny Siebert S. Siebert	87	1032.1	177	67	49	.578	145	3.06	720	35	8	10	842	351	420	105	340	30	18	18	4,218	31	6.28	2.96	2.12	0.92	17.1	8.1	1.14	.244	3.66	3.53	97	7.34	15.1
16	Joe Horlen J. Horlen	87	1100.2	171	60	66	.476	160	3.00	527	32	11	1	1,005	367	409	81	299	33	4	36	4,530	41	4.31	2.44	1.76	0.66	11.6	6.6	1.18	.257	3.34	3.42	98	8.22	10.6
17	Dean Chance D. Chance	89	1080.2	193	62	60	.508	149	3.01	793	46	14	8	925	362	440	74	341	34	26	39	4,448	41	6.60	2.84	2.33	0.62	17.8	7.7	1.17	.265	3.66	2.98	84	7.70	63.3
18	Jim Bunning J. Bunning	89	1207.2	178	63	68	.481	174	3.11	904	44	12	1	1,114	417	468	92	291	55	2	47	4,983	17	6.74	2.17	3.11	0.69	18.1	5.8	1.16	.281	3.49	2.89	87	8.30	63.1
19	Jim Kaat J. Kaat	89	1248.2	198	83	61	.576	174	3.14	805	55	8	1	1,228	435	526	115	270	27	8	29	5,201	46	5.80	1.95	2.98	0.83	15.5	5.2	1.20	.279	3.79	3.15	85	8.85	71.4
20	Bob Veale B. Veale	89	1144.1	175	68	63	.519	167	3.12	970	45	10	0	1,020	397	448	66	500	18	2	36	4,861	44	7.63	3.93	1.94	0.52	20.0	10.3	1.33	.288	3.52	2.93	89	8.02	49.3
21	Fritz Peterson F. Peterson	90	1141.0	182	69	63	.523	163	2.93	590	47	11	0	1,037	372	446	78	195	16	5	41	4,585	10	4.65	1.54	3.03	0.62	12.9	4.3	1.08	.259	3.52	2.94	85	8.18	64.4
22	Ken Holtzman K. Holtzman	90	1077.1	158	65	54	.546	154	3.43	762	45	10	1	990	411	466	103	375	20	1	34	4,531	38	6.37	3.13	2.03	0.86	16.8	8.3	1.27	.271	3.89	3.46	95	8.27	29.4
23	Dave McNally D. McNally	90	1169.2	174	86	39	.688	170	3.05	781	53	12	0	1,030	396	440	109	320	28	2	12	4,760	28	6.01	2.46	2.44	0.84	16.4	6.7	1.15	.261	3.39	3.29	93	7.93	30.5
24	Jim Maloney J. Maloney	91	823.1	132	59	35	.628	123	3.28	659	30	16	1	699	300	337	57	343	18	5	19	3,455	50	7.20	3.75	1.92	0.62	19.1	9.9	1.27	.270	3.68	3.11	90	7.64	33.7
25	Denny McLain D. McLain	91	1251.2	172	95	50	.655	171	3.13	866	76	22	0	1,043	435	472	152	335	19	0	15	5,050	18	6.23	2.41	2.59	1.09	17.1	6.6	1.10	.242	3.39	3.54	100	7.50	1.3