lowest era by a starter all-time with 4000 ip since 1950

Since 1950, Tom Seaver has the lowest ERA by a starting pitcher when pitching at least 4000 innings, with an ERA of 2.86.

Interpreted as:

lowest era by a starter all-time with 4000 or more ip since 1950

	NAME	ERA	IP	G	W	L	W%	GS	SO	CG	SHO	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	2.86	4776.1	647	310	203	.604	647	3,634	231	61	3,961	1,517	1,670	378	1,387	76	115	19,337	123	6.85	2.61	2.62	0.71	18.8	7.2	1.12	.258	3.15	7.46
2	Warren Spahn W. Spahn	3.09	4139.0	539	293	187	.610	539	2,058	310	49	3,826	1,420	1,574	357	1,098	33	52	16,978	58	4.47	2.39	1.87	0.78	12.1	6.5	1.19	.258	3.42	8.32
3	Gaylord Perry G. Perry	3.10	5156.2	690	305	252	.548	690	3,372	303	53	4,762	1,778	2,045	382	1,314	101	144	21,140	150	5.89	2.29	2.57	0.67	16.0	6.2	1.18	.274	3.57	8.31
4	Roger Clemens R. Clemens	3.12	4913.2	707	354	184	.658	707	4,671	118	46	4,182	1,706	1,884	363	1,579	159	63	20,227	143	8.56	2.89	2.96	0.66	23.1	7.8	1.17	.284	3.45	7.66
5	Greg Maddux G. Maddux	3.15	5001.0	740	355	226	.611	740	3,366	109	35	4,717	1,750	1,974	351	996	137	177	20,388	70	6.06	1.79	3.38	0.63	16.5	4.9	1.14	.281	3.55	8.49
6	Nolan Ryan N. Ryan	3.18	5326.0	773	318	291	.522	773	5,654	222	61	3,880	1,884	2,151	314	2,748	156	75	22,310	275	9.55	4.64	2.06	0.53	25.3	12.3	1.24	.265	3.63	6.56
7	Steve Carlton S. Carlton	3.20	5165.1	709	327	240	.577	709	4,104	254	55	4,616	1,835	2,096	405	1,814	53	145	21,457	177	7.15	3.16	2.26	0.71	19.1	8.5	1.24	.279	3.65	8.04
8	Don Sutton D. Sutton	3.27	5248.1	756	321	253	.559	756	3,545	178	58	4,670	1,905	2,095	469	1,333	81	96	21,500	110	6.08	2.29	2.66	0.80	16.5	6.2	1.14	.261	3.59	8.01
9	Randy Johnson R. Johnson	3.30	4103.0	603	301	166	.645	603	4,818	100	37	3,320	1,504	1,692	408	1,491	188	37	16,937	109	10.57	3.27	3.23	0.89	28.4	8.8	1.17	.290	3.71	7.28
10	Bert Blyleven B. Blyleven	3.31	4957.1	685	286	248	.536	685	3,694	242	60	4,614	1,823	2,021	428	1,316	155	67	20,429	114	6.71	2.39	2.81	0.78	18.1	6.4	1.20	.282	3.67	8.38
11	Fergie Jenkins F. Jenkins	3.32	4358.2	594	278	218	.560	594	3,082	267	49	4,021	1,608	1,786	463	951	83	101	17,815	61	6.36	1.96	3.24	0.96	17.3	5.3	1.14	.269	3.69	8.30
12	Tommy John T. John	3.35	4622.1	700	284	228	.555	700	2,191	162	46	4,699	1,718	1,981	295	1,223	98	99	19,321	178	4.27	2.38	1.79	0.57	11.3	6.3	1.28	.284	3.86	9.15
13	Phil Niekro P. Niekro	3.37	5149.2	716	302	262	.535	716	3,181	245	45	4,815	1,928	2,227	465	1,703	116	73	21,585	207	5.56	2.98	1.87	0.81	14.7	7.9	1.27	.270	3.89	8.42
14	Robin Roberts R. Roberts	3.41	4207.1	558	256	218	.540	558	2,118	285	42	4,100	1,592	1,755	473	741	45	63	17,180	30	4.53	1.59	2.86	1.01	12.3	4.3	1.15	.263	3.75	8.77
15	Jim Kaat J. Kaat	3.43	4137.2	625	260	217	.545	625	2,294	180	31	4,203	1,579	1,850	366	955	115	77	17,336	116	4.99	2.08	2.40	0.80	13.2	5.5	1.25	.282	4.02	9.14
16	Tom Glavine T. Glavine	3.54	4413.1	682	305	203	.600	682	2,607	56	25	4,298	1,734	1,900	356	1,500	66	145	18,604	65	5.32	3.06	1.74	0.73	14.0	8.1	1.31	.280	3.87	8.76
17	Frank Tanana F. Tanana	3.67	4136.1	616	236	236	.500	616	2,734	143	34	4,019	1,688	1,893	445	1,227	128	110	17,413	114	5.95	2.67	2.23	0.97	15.7	7.0	1.27	.278	4.12	8.74