nl era leaders by a starter from 1971 to 1976, minimum 150 starts

Between the 1971 and 1976 seasons, Tom Seaver had the lowest ERA by an NL starting pitcher when starting 150+ games, with an ERA of 2.45.

	NAME	ERA	GS	G	W	L	W%	SO	CG	SHO	IP	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Tom Seaver T. Seaver	2.45	208	208	107	62	.633	1,467	92	25	1624.2	1,268	442	478	107	441	24	34	6,453	40	8.13	2.44	3.33	0.59	22.7	6.8	1.05	.263	2.65	7.02
2	Don Sutton D. Sutton	2.70	212	212	109	63	.634	1,114	80	29	1588.0	1,284	477	536	102	398	26	23	6,384	39	6.31	2.26	2.80	0.58	17.4	6.2	1.06	.249	3.04	7.28
3	Jon Matlack J. Matlack	2.88	173	173	74	66	.529	892	60	23	1271.1	1,131	407	469	72	375	13	49	5,221	40	6.31	2.65	2.38	0.51	17.1	7.2	1.18	.274	3.32	8.01
4	Phil Niekro P. Niekro	3.01	215	215	93	72	.564	952	85	15	1604.0	1,463	536	631	132	451	38	23	6,635	61	5.34	2.53	2.11	0.74	14.3	6.8	1.19	.263	3.54	8.21
5	Don Gullett D. Gullett	3.06	154	154	77	37	.675	644	35	13	1033.1	895	351	390	90	344	9	27	4,262	24	5.61	3.00	1.87	0.78	15.1	8.1	1.20	.254	3.40	7.80
6	Steve Carlton S. Carlton	3.18	228	228	111	73	.603	1,332	110	21	1711.0	1,515	604	678	133	610	17	48	7,101	51	7.01	3.21	2.18	0.70	18.8	8.6	1.24	.276	3.57	7.97
7	Jerry Koosman J. Koosman	3.24	184	184	79	72	.523	940	61	11	1320.1	1,229	476	538	98	423	21	36	5,495	36	6.41	2.88	2.22	0.67	17.1	7.7	1.25	.282	3.67	8.38
8	Burt Hooton B. Hooton	3.34	155	155	59	61	.492	603	43	15	1045.0	984	388	440	70	309	7	21	4,354	28	5.19	2.66	1.95	0.60	13.8	7.1	1.24	.272	3.79	8.47
9	Dave Roberts D. Roberts	3.36	155	155	57	60	.487	508	48	13	1063.2	1,081	397	440	64	308	14	26	4,488	21	4.30	2.61	1.65	0.54	11.3	6.9	1.31	.283	3.72	9.15
10	Fred Norman F. Norman	3.36	157	157	59	56	.513	723	41	14	1054.2	930	394	428	94	421	11	38	4,439	46	6.17	3.59	1.72	0.80	16.3	9.5	1.28	.262	3.65	7.94
11	Larry Dierker L. Dierker	3.38	152	152	65	55	.542	605	46	16	1029.0	955	387	414	76	333	26	17	4,271	41	5.29	2.91	1.82	0.66	14.2	7.8	1.25	.272	3.62	8.35
12	Rick Reuschel R. Reuschel	3.54	166	166	60	64	.484	706	35	11	1086.2	1,122	427	498	69	298	28	36	4,613	28	5.85	2.47	2.37	0.57	15.3	6.5	1.31	.300	4.12	9.29
13	Jack Billingham J. Billingham	3.61	200	200	85	68	.556	672	50	19	1312.1	1,282	527	585	101	423	50	51	5,501	44	4.61	2.90	1.59	0.69	12.2	7.7	1.30	.278	4.01	8.79
14	Clay Kirby C. Kirby	3.65	170	170	55	67	.451	768	34	7	1081.0	983	438	504	104	473	14	38	4,635	65	6.39	3.94	1.62	0.87	16.6	10.2	1.35	.268	4.20	8.18
15	Jerry Reuss J. Reuss	3.67	201	201	86	71	.548	806	63	16	1373.1	1,359	560	629	90	533	22	53	5,908	44	5.28	3.49	1.51	0.59	13.6	9.0	1.38	.285	4.12	8.91
16	Carl Morton C. Morton	3.73	200	200	69	78	.469	479	41	9	1328.0	1,436	551	634	91	422	21	45	5,732	15	3.25	2.86	1.14	0.62	8.4	7.4	1.40	.285	4.30	9.73
17	Steve Renko S. Renko	3.87	171	171	57	74	.435	661	33	6	1130.0	1,076	486	551	109	483	5	55	4,852	49	5.26	3.85	1.37	0.87	13.6	10.0	1.38	.269	4.39	8.57