Christy Mathewson had the lowest ERA in the NL in 1911, with an ERA of 1.99.

Interpreted as:

Who had the best era with a minimum of 1 IP per team game in the nl in 1911?

	NAME	ERA	SEASON	TM	G	W	L	W%	GS	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Christy Mathewson C. Mathewson	1.99	1911	NYG	45	26	13	.667	37	141	29	5	3	307.0	303	68	102	5	38	1	6	1,208	2	4.13	1.11	3.71	0.15	11.7	3.1	1.11	.291	2.99	60	2.44	70	8.88	34.7
2	Elwood Richie E. Richie	2.31	1911	CHC	36	15	11	.577	29	78	18	4	1	253.0	213	65	88	6	103	2	3	1,010	2	2.77	3.66	0.76	0.21	7.7	10.2	1.25	.252	3.13	70	3.70	107	7.58	-7.6
3	Babe Adams B. Adams	2.33	1911	PIT	40	22	12	.647	37	133	24	6	0	293.1	253	76	97	5	42	8	2	1,117	3	4.08	1.29	3.17	0.15	11.9	3.8	1.01	.267	2.98	69	2.59	74	7.76	29.4
4	Rube Marquard R. Marquard	2.50	1911	NYG	45	24	7	.774	33	237	22	5	3	277.2	221	77	98	9	106	4	6	1,117	10	7.68	3.44	2.24	0.29	21.2	9.5	1.18	.279	3.18	75	2.67	77	7.16	24.2
5	Grover Alexander G. Alexander	2.57	1911	PHN	48	28	13	.683	37	227	31	7	3	367.0	285	105	133	5	129	8	11	1,440	4	5.57	3.16	1.76	0.12	15.8	9.0	1.13	.261	3.26	74	2.83	78	6.99	33.6
6	Earl Moore E. Moore	2.63	1911	PHN	42	15	19	.441	36	174	21	5	1	308.1	265	90	123	11	164	12	5	1,279	5	5.08	4.79	1.06	0.32	13.6	12.8	1.39	.277	3.59	75	3.81	105	7.74	-4.6
7	Doc Crandall D. Crandall	2.63	1911	NYG	41	15	5	.750	15	94	9	2	5	198.2	199	58	82	10	51	6	26	835	2	4.26	2.31	1.84	0.45	11.3	6.1	1.26	.280	3.71	79	3.34	96	9.02	2.3
8	Lefty Leifield L. Leifield	2.63	1911	PIT	42	16	16	.500	37	111	26	2	1	318.0	301	93	114	7	82	16	4	1,254	2	3.14	2.32	1.35	0.20	8.9	6.5	1.20	.283	3.23	78	3.28	94	8.52	7.4
9	Elmer Steele E. Steele	2.67	1911	TOT	36	9	9	.500	18	61	7	2	2	189.0	177	56	75	5	36	4	13	730	1	2.90	1.71	1.69	0.24	8.4	4.9	1.13	.276	3.57	80	3.10	89	8.43	8
10	Red Ames R. Ames	2.68	1911	NYG	34	11	10	.524	23	118	13	1	2	205.0	170	61	80	0	54	4	5	822	8	5.18	2.37	2.19	0.00	14.4	6.6	1.09	.263	3.51	81	2.46	71	7.46	22.7
11	Bobby Keefe B. Keefe	2.69	1911	CIN	39	12	13	.480	26	105	15	0	3	234.1	196	70	88	7	76	3	11	936	4	4.03	2.92	1.38	0.27	11.2	8.1	1.16	.254	3.38	81	3.27	94	7.53	4.5
12	Nap Rucker N. Rucker	2.71	1911	BKN	48	22	18	.550	33	190	23	5	4	315.2	255	95	102	12	110	8	14	1,244	5	5.42	3.14	1.73	0.34	15.3	8.8	1.16	.263	2.91	82	3.18	93	7.27	7.7
13	Slim Sallee S. Sallee	2.76	1911	SLN	36	15	9	.625	30	74	18	1	3	245.0	234	75	102	6	64	5	3	981	0	2.72	2.35	1.16	0.22	7.5	6.5	1.22	.274	3.75	82	3.33	95	8.60	4.4
14	Mordecai Brown M. Brown	2.80	1911	CHC	53	21	11	.656	27	129	21	0	13	270.0	267	84	110	5	55	6	24	1,082	5	4.30	1.83	2.35	0.17	11.9	5.1	1.19	.295	3.67	84	2.73	79	8.90	21.7
15	Ed Reulbach E. Reulbach	2.96	1911	CHC	33	16	9	.640	29	79	15	2	0	221.2	191	73	97	3	103	4	4	916	4	3.21	4.18	0.77	0.12	8.6	11.2	1.33	.259	3.94	89	3.68	106	7.75	-6
16	George Suggs G. Suggs	3.00	1911	CIN	36	15	13	.536	29	91	17	1	0	260.2	258	87	110	3	79	10	8	1,050	5	3.14	2.73	1.15	0.10	8.7	7.5	1.29	.294	3.80	90	3.24	94	8.91	5.8
17	George Chalmers G. Chalmers	3.11	1911	PHN	38	13	10	.565	22	101	11	3	4	208.2	196	72	107	5	101	4	13	870	10	4.36	4.36	1.00	0.22	11.6	11.6	1.42	.290	4.62	89	3.62	99	8.45	1.3
18	Howie Camnitz H. Camnitz	3.13	1911	PIT	40	20	15	.571	33	139	18	1	1	267.2	245	93	112	8	84	4	6	1,077	10	4.67	2.82	1.65	0.27	12.9	7.8	1.23	.281	3.77	93	3.10	89	8.24	11.5
19	Bob Harmon B. Harmon	3.13	1911	SLN	51	23	16	.590	41	144	28	2	4	348.0	290	121	155	10	181	7	7	1,424	3	3.72	4.68	0.80	0.26	10.1	12.7	1.35	.259	4.01	93	3.93	112	7.50	-17.5
20	King Cole K. Cole	3.13	1911	CHC	32	18	7	.720	27	101	13	2	0	221.1	188	77	87	3	99	9	4	903	11	4.11	4.03	1.02	0.12	11.2	11.0	1.30	.268	3.54	94	3.49	101	7.64	-1.4
21	Hooks Wiltse H. Wiltse	3.27	1911	NYG	30	12	9	.571	24	92	11	4	0	187.1	177	68	83	7	39	2	5	746	3	4.42	1.87	2.36	0.34	12.3	5.2	1.15	.281	3.99	98	2.93	85	8.50	10.9
22	Harry Gaspar H. Gaspar	3.30	1911	CIN	44	11	17	.393	32	76	11	2	4	253.2	272	93	112	9	69	14	10	1,044	1	2.70	2.45	1.10	0.32	7.3	6.6	1.34	.300	3.97	99	3.61	104	9.65	-4.9
23	Art Fromme A. Fromme	3.46	1911	CIN	38	10	11	.476	26	107	11	1	0	208.0	190	80	111	8	79	16	9	861	5	4.63	3.42	1.35	0.35	12.4	9.2	1.29	.280	4.80	104	3.61	104	8.22	-4
24	Elmer Knetzer E. Knetzer	3.49	1911	BKN	35	11	12	.478	20	66	11	3	0	204.0	202	79	101	1	93	1	11	824	3	2.91	4.10	0.71	0.04	8.0	11.3	1.45	.303	4.46	106	3.57	104	8.91	-4.1
25	Cy Barger C. Barger	3.52	1911	BKN	30	11	15	.423	30	60	21	1	0	217.1	224	85	112	4	71	7	0	882	1	2.48	2.94	0.85	0.17	6.8	8.0	1.36	.297	4.64	107	3.53	103	9.28	-3.4