which starting pitcher has the lowest era ever with 2000+ ip

Bob Ewing has the best career ERA by a starting pitcher when pitching at least 2000 innings, with an ERA of 0.15.

	NAME	ERA	IP	G	W	L	W%	GS	SO	CG	SHO	SV	H	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Bob Ewing B. Ewing	0.15	2170.1	264	118	112	.513	264	962	205	19	0	1,998	881	28	591	51	0		44	3.99	2.45	1.63	0.12		6.7	1.19	.277	3.65	8.29
2	Ed Walsh E. Walsh	0.35	2617.1	315	173	113	.605	315	1,506	250	57	0	2,071	751	20	553	50	0		65	5.18	1.90	2.72	0.07		5.6	1.00	.267	2.58	7.12
3	Vic Willis V. Willis	0.54	3000.0	366	177	165	.518	366	1,294	302	42	0	2,713	1,158	43	820	83	0		66	3.88	2.46	1.58	0.13		6.8	1.18	.271	3.47	8.14
4	Addie Joss A. Joss	0.71	2231.1	260	155	93	.625	260	892	234	45	0	1,811	685	18	338	57	0		26	3.60	1.36	2.64	0.07		4.0	0.96	.248	2.76	7.30
5	Mordecai Brown M. Brown	0.77	2737.1	332	201	112	.642	332	1,158	271	55	0	2,348	887	35	592	56	0		42	3.81	1.95	1.96	0.12		5.7	1.07	.269	2.92	7.72
6	Tully Sparks T. Sparks	0.81	2040.0	252	108	128	.458	252	699	194	19	0	1,956	916	30	516	74	0		21	3.08	2.28	1.35	0.13		6.3	1.21	.281	4.04	8.63
7	Cy Young C. Young	0.87	3186.0	369	213	143	.598	369	1,520	331	44	0	2,798	1,075	41	398	71	0		47	4.29	1.12	3.82	0.12		3.3	1.00	.274	3.04	7.90
8	Joe McGinnity J. McGinnity	0.88	2556.0	303	173	108	.616	303	832	244	27	0	2,376	991	43	571	106	0		20	2.93	2.01	1.46	0.15		5.5	1.15	.266	3.49	8.37
9	Christy Mathewson C. Mathewson	0.96	4540.0	551	343	177	.660	551	2,408	434	79	0	4,018	1,513	82	801	51	0		107	4.77	1.59	3.01	0.16		4.5	1.06	.269	3.00	7.97
10	Nap Rucker N. Rucker	0.98	2170.0	274	119	121	.496	274	1,121	187	38	0	1,912	738	34	638	66	0	8,778	43	4.65	2.65	1.76	0.14	12.8	7.3	1.18	.271	3.06	7.93
11	Jack Coombs J. Coombs	0.99	2067.0	269	135	98	.579	269	951	187	35	0	1,795	793	29	732	89	0		49	4.14	3.19	1.30	0.13		8.8	1.22	.270	3.45	7.82
12	Doc White D. White	0.99	2828.2	364	173	151	.534	364	1,305	262	45	0	2,551	1,029	31	630	114	0		55	4.15	2.00	2.07	0.10		5.9	1.12	.290	3.27	8.12
13	Cy Falkenberg C. Falkenberg	1.01	2075.0	266	124	117	.515	266	1,080	180	27	0	1,907	849	22	618	61	0		87	4.68	2.68	1.75	0.10		8.1	1.22	.321	3.68	8.27
14	Ed Reulbach E. Reulbach	1.02	2337.0	300	165	97	.630	300	999	200	40	0	1,869	768	29	776	97	0		36	3.85	2.99	1.29	0.11		8.4	1.13	.252	2.96	7.20
15	George Mullin G. Mullin	1.08	3478.0	428	205	189	.520	428	1,424	353	35	0	3,325	1,549	42	1,186	122	0		80	3.68	3.07	1.20	0.11		8.7	1.30	.300	4.01	8.60
16	Rube Waddell R. Waddell	1.10	2468.0	308	155	125	.554	308	1,997	235	47	0	2,062	871	28	682	89	0		66	7.28	2.49	2.93	0.10		7.5	1.11	.324	3.18	7.52
17	Jack Chesbro J. Chesbro	1.21	2352.0	289	164	107	.605	289	1,110	225	32	0	2,090	875	30	503	80	0		44	4.25	1.92	2.21	0.11		6.0	1.10	.310	3.35	8.00
18	Bill Donovan B. Donovan	1.24	2705.1	314	174	125	.582	314	1,452	279	35	0	2,372	1,045	28	923	71	0		56	4.83	3.07	1.57	0.09		8.7	1.22	.287	3.48	7.89
19	Chief Bender C. Bender	1.24	2680.0	334	187	112	.625	334	1,505	255	40	0	2,344	963	34	616	89	0		57	5.05	2.07	2.44	0.11		6.0	1.10	.287	3.23	7.87
20	Eddie Plank E. Plank	1.33	4216.0	529	299	179	.626	529	2,118	410	69	0	3,725	1,458	39	998	179	0		74	4.52	2.13	2.12	0.08		6.2	1.12	.287	3.11	7.95
21	Harry Howell H. Howell	1.35	2044.2	245	101	128	.441	245	854	214	18	0	1,858	845	20	522	77	0		40	3.76	2.30	1.64	0.09		6.7	1.16	.288	3.72	8.18
22	Red Ames R. Ames	1.35	2766.2	371	160	151	.514	371	1,491	208	27	0	2,508	1,130	38	883	56	0	11,390	122	4.85	2.87	1.69	0.12	13.1	7.8	1.23	.277	3.68	8.16
23	Jack Powell J. Powell	1.38	2976.2	369	155	188	.452	369	1,231	294	33	0	2,834	1,243	70	643	71	0		46	3.72	1.94	1.91	0.21		5.6	1.17	.290	3.76	8.57
24	Tom Hughes T. Hughes	1.52	2366.2	310	116	160	.420	310	1,230	224	25	0	2,371	1,184	50	777	91	0		73	4.68	2.95	1.58	0.19		8.3	1.33	.322	4.50	9.02
25	Bill Dinneen B. Dinneen	1.54	2155.1	253	120	124	.492	253	832	221	23	0	1,976	868	53	502	35	0		34	3.47	2.10	1.66	0.22		6.1	1.15	.282	3.62	8.25