Harry Brecheen had the lowest ERA in the NL in 1948, with an ERA of 2.24.

Interpreted as:

Who had the best era with a minimum of 1 IP per team game in the nl in 1948?

	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	Harry Brecheen H. Brecheen	2.24	1948	SLN	33	20	7	.741	30	149	21	7	1	233.1	193	58	62	6	49	2	1	931	2	5.75	1.89	3.04	0.23	16.0	5.3	1.04	.258	2.39	55	2.37	57	7.44	45.6
2	Dutch Leonard D. Leonard	2.51	1948	PHN	34	12	17	.414	30	92	16	1	0	225.2	226	63	85	9	54	4	2	920	4	3.67	2.15	1.70	0.36	10.0	5.9	1.24	.285	3.39	65	3.13	80	9.01	20.1
3	Johnny Sain J. Sain	2.60	1948	BSN	42	24	15	.615	39	137	28	4	1	314.2	297	91	105	19	83	5	3	1,313	2	3.92	2.37	1.65	0.54	10.4	6.3	1.21	.260	3.00	69	3.41	89	8.49	15
4	Preacher Roe P. Roe	2.63	1948	BKN	34	12	8	.600	22	86	8	2	2	177.2	156	52	60	14	33	2	7	713	5	4.36	1.67	2.61	0.71	12.1	4.6	1.06	.246	3.04	65	3.31	79	7.90	16.8
5	Johnny Schmitz J. Schmitz	2.64	1948	CHC	34	18	13	.581	30	100	18	2	1	242.0	186	71	92	11	97	2	4	986	6	3.72	3.61	1.03	0.41	10.1	9.8	1.17	.226	3.42	68	3.65	92	6.92	8.4
6	Rex Barney R. Barney	3.10	1948	BKN	44	15	13	.536	34	138	12	4	0	246.2	193	85	101	17	122	6	6	1,028	4	5.04	4.45	1.13	0.62	13.4	11.9	1.28	.236	3.69	76	3.99	96	7.04	5.1
7	Sheldon Jones S. Jones	3.35	1948	NYG	55	16	8	.667	21	82	8	1	5	201.1	204	75	89	15	90	6	17	879	10	3.67	4.02	0.91	0.67	9.3	10.2	1.46	.276	3.98	84	4.25	104	9.12	-3.3
8	Kirby Higbe K. Higbe	3.36	1948	PIT	56	8	7	.533	8	86	3	0	10	158.0	140	59	75	11	83	3	31	681	4	4.90	4.73	1.04	0.63	12.6	12.2	1.41	.259	4.27	82	4.11	98	7.97	2.1
9	Johnny Vander Meer J. Vander Meer	3.41	1948	CIN	33	17	14	.548	33	120	14	3	0	232.0	204	88	97	15	124	1	0	993	2	4.66	4.81	0.97	0.58	12.1	12.5	1.41	.258	3.76	86	4.08	101	7.91	-0.9
10	Elmer Riddle E. Riddle	3.49	1948	PIT	28	12	10	.545	27	63	12	3	1	191.0	184	74	83	17	81	3	1	828	9	2.97	3.82	0.78	0.80	7.6	9.8	1.39	.252	3.91	85	4.48	106	8.67	-5
11	Ralph Branca R. Branca	3.51	1948	BKN	36	14	9	.609	28	122	11	1	1	215.2	189	84	93	24	80	4	4	905	9	5.09	3.34	1.53	1.00	13.5	8.8	1.25	.244	3.88	86	4.14	99	7.89	1
12	Bob Chesnes B. Chesnes	3.57	1948	PIT	25	14	6	.700	23	69	15	0	0	194.1	180	77	92	13	90	4	0	829	6	3.20	4.17	0.77	0.60	8.3	10.9	1.39	.256	4.26	87	4.27	101	8.34	-0.8
13	Joe Hatten J. Hatten	3.58	1948	BKN	42	13	10	.565	30	73	11	1	0	208.2	228	83	93	9	94	3	8	916	4	3.15	4.05	0.78	0.39	8.0	10.3	1.54	.297	4.01	88	3.92	94	9.83	6.1
14	Larry Jansen L. Jansen	3.61	1948	NYG	42	18	12	.600	36	126	15	4	2	277.0	283	111	125	25	54	3	4	1,137	0	4.09	1.75	2.33	0.81	11.1	4.7	1.22	.278	4.06	90	3.54	87	9.19	16.9
15	Bill Voiselle B. Voiselle	3.63	1948	BSN	37	13	13	.500	30	89	9	2	2	215.2	226	87	93	18	90	3	5	940	1	3.71	3.76	0.99	0.75	9.5	9.6	1.47	.281	3.88	97	4.21	110	9.43	-9.9
16	Russ Meyer R. Meyer	3.66	1948	CHC	29	10	10	.500	26	89	8	3	0	164.2	157	67	75	7	77	1	2	702	3	4.86	4.21	1.16	0.38	12.7	11.0	1.42	.284	4.10	94	3.55	90	8.58	7.6
17	Vic Lombardi V. Lombardi	3.70	1948	PIT	38	10	9	.526	17	54	9	0	4	163.0	156	67	72	9	67	2	15	689	1	2.98	3.70	0.81	0.50	7.8	9.7	1.37	.264	3.98	90	3.99	95	8.61	4.3
18	Warren Spahn W. Spahn	3.71	1948	BSN	36	15	12	.556	35	114	16	3	1	257.0	237	106	115	19	77	1	1	1,064	4	3.99	2.70	1.48	0.67	10.7	7.2	1.22	.256	4.03	99	3.65	95	8.30	5.3
19	Al Brazle A. Brazle	3.80	1948	SLN	42	10	6	.625	23	55	6	2	1	156.1	171	66	77	8	50	0	9	673	2	3.17	2.88	1.10	0.46	8.2	7.4	1.41	.291	4.43	93	3.58	86	9.84	10.2
20	Ken Raffensberger K. Raffensberger	3.84	1948	CIN	40	11	12	.478	24	57	7	4	0	180.1	187	77	88	15	37	1	9	772	0	2.84	1.85	1.54	0.75	7.4	4.8	1.24	.260	4.39	97	3.74	92	9.33	6.2
21	Murry Dickson M. Dickson	4.14	1948	SLN	42	12	16	.429	29	113	11	1	1	252.1	257	116	121	39	85	0	8	1,064	1	4.03	3.03	1.33	1.39	10.6	8.0	1.36	.264	4.32	102	4.78	115	9.17	-16.3
22	Ray Poat R. Poat	4.34	1948	NYG	39	11	10	.524	24	57	7	3	0	157.2	162	76	95	22	67	3	8	698	1	3.25	3.82	0.85	1.26	8.2	9.6	1.45	.255	5.42	109	5.08	124	9.25	-17.1
23	Red Munger R. Munger	4.50	1948	SLN	39	10	11	.476	25	72	7	2	0	166.0	179	83	91	13	74	1	3	738	2	3.90	4.01	0.97	0.70	9.8	10.0	1.52	.287	4.93	110	4.17	100	9.70	0.4
24	Howie Fox H. Fox	4.53	1948	CIN	34	6	9	.400	24	63	5	0	1	171.0	185	86	100	11	62	1	3	737	4	3.32	3.26	1.02	0.58	8.5	8.4	1.44	.290	5.26	114	3.87	95	9.74	3.5
25	Howie Pollet H. Pollet	4.54	1948	SLN	36	13	8	.619	26	80	11	0	0	186.1	216	94	102	10	67	2	2	826	3	3.86	3.24	1.19	0.48	9.7	8.1	1.52	.309	4.93	111	3.61	87	10.43	11.6