lowest era by an starter all-time with 2500 ip live ball era

Since 1920, Clayton Kershaw has the best ERA by a starting pitcher when pitching at least 2500 innings, with an ERA of 2.54.

Interpreted as:

lowest era by an starter all-time with 2500 or more ip live ball era

	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	Clayton Kershaw C. Kershaw	2.54	2850.1	451	223	96	.699	451	3,047	25	15	0	2,191	804	881	235	711	46	0	27	11,261	108	9.62	2.25	4.29	0.74	27.1	6.3	1.02	.271	2.78	6.92
2	Whitey Ford W. Ford	2.71	3038.0	438	227	99	.696	438	1,857	156	45	0	2,647	916	1,050	220	1,014	27	0	39	12,468	72	5.50	3.00	1.83	0.65	14.9	8.1	1.21	.260	3.11	7.84
3	Jim Palmer J. Palmer	2.80	3857.0	521	262	148	.639	521	2,142	211	53	0	3,256	1,202	1,334	292	1,259	37	0	36	15,714	83	5.00	2.94	1.70	0.68	13.6	8.0	1.17	.247	3.11	7.60
4	Tom Seaver T. Seaver	2.86	4776.1	647	310	203	.604	647	3,634	231	61	0	3,961	1,517	1,670	378	1,387	76	0	115	19,337	123	6.85	2.61	2.62	0.71	18.8	7.2	1.12	.258	3.15	7.46
5	Bob Gibson B. Gibson	2.88	3796.1	482	245	170	.590	482	3,044	255	56	0	3,199	1,216	1,376	250	1,277	99	0	107	15,669	105	7.22	3.03	2.38	0.59	19.4	8.1	1.18	.268	3.26	7.58
6	Juan Marichal J. Marichal	2.89	3476.1	457	238	140	.630	457	2,284	244	52	0	3,133	1,118	1,320	318	701	38	0	82	14,118	51	5.91	1.81	3.26	0.82	16.2	5.0	1.10	.261	3.42	8.11
7	Don Drysdale D. Drysdale	2.95	3338.1	465	203	160	.559	465	2,417	167	49	0	2,999	1,095	1,260	275	821	148	0	114	13,700	79	6.52	2.21	2.94	0.74	17.6	6.0	1.14	.271	3.40	8.09
8	Pedro Martinez P. Martinez	2.95	2720.0	409	208	97	.682	409	3,032	46	17	0	2,151	893	979	233	705	136	0	26	10,955	60	10.03	2.33	4.30	0.77	27.7	6.4	1.05	.280	3.24	7.12
9	Mel Stottlemyre M. Stottlemyre	2.96	2654.2	356	164	138	.543	356	1,254	152	40	0	2,428	874	999	170	804	44	0	75	10,942	57	4.25	2.73	1.56	0.58	11.5	7.3	1.22	.260	3.39	8.23
10	Carl Hubbell C. Hubbell	3.05	3357.2	433	233	146	.615	433	1,556	260	36	0	3,261	1,138	1,326	221	682	49	0		13,890	46	4.17	1.83	2.28	0.59	11.2	4.9	1.17	.267	3.55	8.74
11	Warren Spahn W. Spahn	3.08	5101.0	665	358	227	.612	665	2,501	382	63	0	4,703	1,743	1,951	422	1,383	39	0	52	20,960	74	4.41	2.44	1.81	0.74	11.9	6.6	1.19	.258	3.44	8.30
12	Lefty Grove L. Grove	3.08	3560.2	457	268	119	.693	457	2,013	298	35	0	3,513	1,220	1,448	148	1,027	38	0		15,016	38	5.09	2.60	1.96	0.37	13.4	6.8	1.28	.285	3.66	8.88
13	Hal Newhouser H. Newhouser	3.10	2808.0	374	187	140	.572	374	1,674	212	33	0	2,532	966	1,128	128	1,152	19	0		11,865	62	5.37	3.69	1.45	0.41	14.1	9.7	1.31	.270	3.62	8.12
14	Gaylord Perry G. Perry	3.10	5156.2	690	305	252	.548	690	3,372	303	53	0	4,762	1,778	2,045	382	1,314	101	0	144	21,140	150	5.89	2.29	2.57	0.67	16.0	6.2	1.18	.274	3.57	8.31
15	Roger Clemens R. Clemens	3.12	4913.2	707	354	184	.658	707	4,671	118	46	0	4,182	1,706	1,884	363	1,579	159	0	63	20,227	143	8.56	2.89	2.96	0.66	23.1	7.8	1.17	.284	3.45	7.66
16	Mike Cuellar M. Cuellar	3.14	2688.1	379	177	125	.586	379	1,547	172	36	0	2,420	937	1,081	214	774	9	0	52	10,992	48	5.18	2.59	2.00	0.72	14.1	7.0	1.19	.261	3.62	8.10
17	Greg Maddux G. Maddux	3.15	5001.0	740	355	226	.611	740	3,366	109	35	0	4,717	1,750	1,974	351	996	137	0	177	20,388	70	6.06	1.79	3.38	0.63	16.5	4.9	1.14	.281	3.55	8.49
18	Dazzy Vance D. Vance	3.15	2734.2	345	184	128	.590	345	1,899	216	29	0	2,556	957	1,117	123	744	62	0		11,343	30	6.25	2.45	2.55	0.40	16.7	6.6	1.21	.286	3.68	8.41
19	Nolan Ryan N. Ryan	3.18	5326.0	773	318	291	.522	773	5,654	222	61	0	3,880	1,884	2,151	314	2,748	156	0	75	22,310	275	9.55	4.64	2.06	0.53	25.3	12.3	1.24	.265	3.63	6.56
20	Steve Rogers S. Rogers	3.19	2827.2	393	158	152	.510	393	1,616	129	37	0	2,614	1,001	1,121	151	873	43	0	75	11,666	88	5.14	2.78	1.85	0.48	13.9	7.5	1.23	.274	3.57	8.32
21	Steve Carlton S. Carlton	3.20	5165.1	709	327	240	.577	709	4,104	254	55	0	4,616	1,835	2,096	405	1,814	53	0	145	21,457	177	7.15	3.16	2.26	0.71	19.1	8.5	1.24	.279	3.65	8.04
22	Bucky Walters B. Walters	3.20	3047.1	398	195	151	.564	398	1,089	242	42	0	2,906	1,084	1,281	147	1,081	50	0		12,867	60	3.22	3.19	1.01	0.43	8.5	8.4	1.31	.263	3.78	8.58
23	Vida Blue V. Blue	3.21	3292.0	473	207	159	.566	473	2,130	143	37	0	2,876	1,173	1,316	250	1,157	23	0	59	13,601	101	5.82	3.16	1.84	0.68	15.7	8.5	1.23	.262	3.60	7.86
24	Bob Lemon B. Lemon	3.21	2629.2	350	196	118	.624	350	1,174	188	31	0	2,352	939	1,090	165	1,110	51	0	11	11,122	55	4.02	3.80	1.06	0.56	10.6	10.0	1.32	.254	3.73	8.05
25	Lon Warneke L. Warneke	3.22	2565.1	343	175	107	.621	343	1,062	192	30	0	2,522	917	1,079	164	650	25	0		10,690	45	3.73	2.28	1.63	0.58	9.9	6.1	1.24	.268	3.79	8.85