who has the lowest career era since 1920, minimum 2,000 innings pitched

Since 1920, Hoyt Wilhelm has the lowest ERA when pitching at least 2000 innings, with an ERA of 2.52.

	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	ERA-	FIP	FIP-	H/9	PRAA
1	Hoyt Wilhelm H. Wilhelm	2.52	2254.1	1,070	143	122	.540	52	1,610	20	5	228	1,757	632	773	150	778	62	651	61	9,164	90	6.43	3.11	2.07	0.60	17.6	8.5	1.12	.245	3.09	68	3.06	82	7.01	167.6
2	Clayton Kershaw C. Kershaw	2.53	2855.1	455	223	96	.699	451	3,052	25	15	0	2,193	804	881	235	713	46	1	28	11,279	108	9.62	2.25	4.28	0.74	27.1	6.3	1.02	.271	2.78	65	2.85	70	6.91	375.1
3	Whitey Ford W. Ford	2.75	3170.1	498	236	106	.690	438	1,956	156	45	11	2,766	967	1,107	228	1,086	28	35	44	13,036	75	5.55	3.08	1.80	0.65	15.0	8.3	1.22	.261	3.14	75	3.26	88	7.85	156.9
4	Sandy Koufax S. Koufax	2.76	2324.1	397	165	87	.655	314	2,396	137	40	9	1,754	713	806	204	817	18	44	48	9,497	87	9.28	3.16	2.93	0.79	25.2	8.6	1.11	.256	3.12	75	2.69	75	6.79	226.6
5	Jim Palmer J. Palmer	2.86	3948.0	558	268	152	.638	521	2,212	211	53	4	3,349	1,253	1,395	303	1,311	38	15	37	16,114	85	5.04	2.99	1.69	0.69	13.7	8.1	1.18	.249	3.18	80	3.50	95	7.63	83.2
6	Andy Messersmith A. Messersmith	2.86	2230.1	344	130	99	.568	295	1,625	98	27	14	1,719	709	812	174	831	40	30	44	9,120	70	6.56	3.35	1.96	0.70	17.8	9.1	1.14	.240	3.28	83	3.28	92	6.94	68.3
7	Tom Seaver T. Seaver	2.86	4783.0	656	311	205	.603	647	3,640	231	61	1	3,971	1,521	1,674	380	1,390	76	6	116	19,369	126	6.85	2.62	2.62	0.72	18.8	7.2	1.12	.259	3.15	79	3.03	85	7.47	286.1
8	Juan Marichal J. Marichal	2.89	3507.0	471	243	142	.631	457	2,303	244	52	2	3,153	1,126	1,329	320	709	40	11	82	14,236	51	5.91	1.82	3.25	0.82	16.2	5.0	1.10	.261	3.41	81	3.04	88	8.09	154.8
9	Bob Gibson B. Gibson	2.91	3884.1	528	251	174	.591	482	3,117	255	56	6	3,279	1,258	1,420	257	1,336	102	21	118	16,068	108	7.22	3.10	2.33	0.60	19.4	8.3	1.19	.268	3.29	78	2.89	81	7.60	290.5
10	Dean Chance D. Chance	2.92	2147.1	406	128	115	.527	294	1,534	83	33	23	1,864	697	832	122	739	65	61	75	8,906	70	6.43	3.10	2.08	0.51	17.2	8.3	1.21	.270	3.49	85	2.96	83	7.81	140.2
11	Pedro Martinez P. Martinez	2.93	2827.1	476	219	100	.687	409	3,154	46	17	3	2,221	919	1,006	239	760	141	23	30	11,394	62	10.04	2.42	4.15	0.76	27.7	6.7	1.05	.279	3.20	66	2.91	68	7.07	454.6
12	Don Drysdale D. Drysdale	2.95	3432.0	518	209	166	.557	465	2,486	167	49	6	3,084	1,124	1,292	280	855	154	34	123	14,097	82	6.52	2.24	2.91	0.73	17.6	6.1	1.15	.272	3.39	83	3.02	88	8.09	162.2
13	Mel Stottlemyre M. Stottlemyre	2.97	2661.1	360	164	139	.541	356	1,257	152	40	1	2,435	878	1,003	171	809	44	3	75	10,972	57	4.25	2.74	1.55	0.58	11.5	7.4	1.22	.260	3.39	90	3.36	98	8.23	14.4
14	Carl Hubbell C. Hubbell	2.98	3590.1	535	253	154	.622	433	1,677	260	36	33	3,461	1,188	1,380	227	725	53	82		14,805	53	4.20	1.82	2.31	0.57	11.3	4.9	1.17	.267	3.46	76	3.55	89	8.68	174.2
15	Chris Sale C. Sale	3.01	2084.0	393	145	88	.622	312	2,579	16	3	12	1,692	697	750	213	487	130	25	15	8,389	48	11.14	2.10	5.30	0.92	30.7	5.8	1.05	.297	3.24	70	2.87	68	7.31	303.3
16	Hal Newhouser H. Newhouser	3.06	2993.0	488	207	150	.580	374	1,796	212	33	26	2,674	1,016	1,197	136	1,249	19	79	1	12,648	65	5.40	3.76	1.44	0.41	14.2	9.9	1.31	.269	3.60	76	3.19	80	8.04	244.2
17	Lefty Grove L. Grove	3.06	3940.2	616	300	141	.680	457	2,266	298	35	54	3,849	1,339	1,594	162	1,187	42	123		16,622	51	5.18	2.71	1.91	0.37	13.6	7.1	1.28	.284	3.64	68	3.36	76	8.79	462.8
18	Warren Spahn W. Spahn	3.09	5243.2	750	363	245	.597	665	2,583	382	63	28	4,830	1,798	2,016	434	1,434	42	67	60	21,547	81	4.43	2.46	1.80	0.74	12.0	6.7	1.19	.258	3.46	84	3.44	94	8.29	124.4
19	Grover Alexander G. Alexander	3.09	2437.0	334	165	108	.604	293	659	194	20	16	2,568	838	1,006	116	355	15	31		10,002	18	2.43	1.31	1.86	0.43	6.6	3.5	1.20	.277	3.72	78	3.51	88	9.48	124.2
20	Gaylord Perry G. Perry	3.11	5350.0	777	314	265	.542	690	3,534	303	53	10	4,938	1,846	2,128	399	1,379	108	33	164	21,953	160	5.95	2.32	2.56	0.67	16.1	6.3	1.18	.275	3.58	85	3.06	85	8.31	312.9
21	Joe Horlen J. Horlen	3.11	2002.0	361	116	117	.498	290	1,065	59	18	4	1,829	691	783	145	554	53	31	65	8,234	68	4.79	2.49	1.92	0.65	12.9	6.7	1.19	.262	3.52	90	3.31	94	8.22	47.7
22	Roger Clemens R. Clemens	3.12	4916.2	709	354	184	.658	707	4,672	118	46	0	4,185	1,707	1,885	363	1,580	159	0	63	20,240	143	8.55	2.89	2.96	0.66	23.1	7.8	1.17	.284	3.45	70	3.08	71	7.66	680.4
23	Mike Cuellar M. Cuellar	3.14	2808.0	453	185	130	.587	379	1,632	172	36	11	2,538	979	1,130	222	822	12	33	61	11,505	53	5.23	2.63	1.99	0.71	14.2	7.1	1.20	.263	3.62	91	3.28	94	8.13	61.8
24	Greg Maddux G. Maddux	3.16	5008.1	744	355	227	.610	740	3,371	109	35	0	4,726	1,756	1,981	353	999	137	3	177	20,421	70	6.06	1.80	3.37	0.63	16.5	4.9	1.14	.281	3.56	76	3.25	78	8.49	519.5
25	Sam McDowell S. McDowell	3.17	2492.1	425	141	134	.513	346	2,453	103	23	14	1,948	879	999	164	1,312	59	39	74	10,587	140	8.86	4.74	1.87	0.59	23.2	12.4	1.31	.270	3.61	90	3.06	84	7.03	160.4