Mort Cooper had the lowest ERA in the NL in 1942, with an ERA of 1.78.

Interpreted as:

Who had the best era with a minimum of 1 IP per team game in the nl in 1942?

	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	Mort Cooper M. Cooper	1.78	1942	SLN	37	22	7	.759	35	152	22	10	0	278.2	207	55	73	9	68	5	1	1,100	5	4.91	2.20	2.24	0.29	13.8	6.2	0.99	.229	2.36	53	2.53	72	6.69	30.2
2	Johnny Beazley J. Beazley	2.13	1942	SLN	43	21	6	.778	23	91	13	3	3	215.1	181	51	67	4	73	3	15	890	7	3.80	3.05	1.25	0.17	10.2	8.2	1.18	.246	2.80	63	2.87	82	7.57	15.3
3	Curt Davis C. Davis	2.36	1942	BKN	32	15	6	.714	26	60	13	5	2	206.0	179	54	62	10	51	7	5	840	1	2.62	2.23	1.18	0.44	7.1	6.1	1.12	.237	2.71	70	3.31	94	7.82	4.8
4	Johnny Vander Meer J. Vander Meer	2.43	1942	CIN	33	18	12	.600	33	186	21	4	0	244.0	188	66	78	6	102	1	0	1,017	4	6.86	3.76	1.82	0.22	18.3	10.0	1.19	.252	2.88	76	2.48	74	6.93	23.6
5	Bill Lohrman B. Lohrman	2.48	1942	TOT	31	14	5	.737	19	47	12	2	0	170.2	154	47	55	11	35	2	4	692	5	2.48	1.85	1.34	0.58	6.8	5.1	1.11	.240	2.90	73	3.36	95	8.12	3.2
6	Bucky Walters B. Walters	2.66	1942	CIN	34	15	14	.517	32	109	21	2	0	253.2	223	75	101	8	73	5	1	1,054	2	3.87	2.59	1.49	0.28	10.3	6.9	1.17	.250	3.58	83	2.89	87	7.91	12.6
7	Ray Starr R. Starr	2.67	1942	CIN	37	15	13	.536	33	83	17	4	0	276.2	228	82	88	10	106	3	2	1,136	0	2.70	3.45	0.78	0.33	7.3	9.3	1.21	.233	2.86	83	3.47	104	7.42	-4.6
8	Claude Passeau C. Passeau	2.68	1942	CHC	35	19	14	.576	34	89	24	3	0	278.1	284	83	116	13	74	3	0	1,177	4	2.88	2.39	1.20	0.42	7.6	6.3	1.29	.272	3.75	83	3.22	95	9.18	4.7
9	Whit Wyatt W. Wyatt	2.73	1942	BKN	31	19	7	.731	30	104	16	0	0	217.1	185	66	82	9	63	7	1	900	1	4.31	2.61	1.65	0.37	11.6	7.0	1.14	.245	3.40	81	2.97	84	7.66	13.3
10	Lon Warneke L. Warneke	2.73	1942	TOT	27	11	11	.500	24	59	13	1	2	181.0	173	55	67	10	36	0	3	739	0	2.93	1.79	1.64	0.50	8.0	4.9	1.15	.257	3.33	82	3.08	89	8.60	7.3
11	Max Lanier M. Lanier	2.96	1942	SLN	34	13	8	.619	20	93	8	2	2	161.0	137	53	55	4	60	2	11	657	3	5.20	3.35	1.55	0.22	14.2	9.1	1.22	.267	3.07	88	2.74	78	7.66	13.8
12	Al Javery A. Javery	3.03	1942	BSN	42	12	16	.429	37	85	19	5	0	261.0	251	88	106	8	78	3	2	1,108	1	2.93	2.69	1.09	0.28	7.7	7.0	1.26	.260	3.66	93	3.10	92	8.66	7.9
13	Hal Schumacher H. Schumacher	3.04	1942	NYG	29	12	13	.480	29	49	12	3	0	216.0	208	73	81	12	82	3	0	926	3	2.04	3.42	0.60	0.50	5.3	8.9	1.34	.251	3.38	90	3.87	110	8.67	-8
14	Tommy Hughes T. Hughes	3.06	1942	PHN	40	12	18	.400	31	77	19	0	1	253.0	224	86	105	8	99	0	5	1,069	1	2.74	3.52	0.78	0.28	7.2	9.3	1.28	.244	3.74	93	3.39	100	7.97	0.3
15	Paul Derringer P. Derringer	3.06	1942	CIN	29	10	11	.476	27	68	13	1	0	208.2	203	71	83	4	49	4	0	872	0	2.93	2.11	1.39	0.17	7.8	5.6	1.21	.266	3.58	95	2.78	83	8.76	13.1
16	Bob Carpenter B. Carpenter	3.15	1942	NYG	28	11	10	.524	25	53	12	2	0	185.2	192	65	73	13	51	1	2	790	3	2.57	2.47	1.04	0.63	6.7	6.5	1.31	.266	3.54	93	3.60	102	9.31	-1.4
17	Bob Klinger B. Klinger	3.24	1942	PIT	37	8	11	.421	19	58	8	1	1	152.2	151	55	69	6	45	3	9	657	4	3.42	2.65	1.29	0.35	8.8	6.8	1.28	.266	4.07	96	3.11	89	8.90	6.9
18	Kirby Higbe K. Higbe	3.25	1942	BKN	38	16	11	.593	32	115	13	2	0	221.2	180	80	89	17	106	2	3	929	3	4.67	4.30	1.08	0.69	12.4	11.4	1.29	.237	3.61	96	3.84	109	7.31	-7.5
19	Harry Gumbert H. Gumbert	3.26	1942	SLN	38	9	5	.643	19	52	5	0	5	163.0	156	59	67	3	59	1	12	695	5	2.87	3.26	0.88	0.17	7.5	8.5	1.32	.264	3.70	96	3.12	89	8.61	7.2
20	Rip Sewell R. Sewell	3.41	1942	PIT	40	17	15	.531	33	69	18	5	2	248.0	259	94	117	13	72	2	7	1,067	4	2.50	2.61	0.96	0.47	6.5	6.7	1.33	.270	4.25	101	3.44	98	9.40	2.4
21	Hi Bithorn H. Bithorn	3.68	1942	CHC	38	9	14	.391	16	65	9	0	2	171.1	191	70	93	8	81	0	14	744	2	3.41	4.25	0.80	0.42	8.7	10.9	1.59	.310	4.89	113	3.68	109	10.03	-6.2
22	Si Johnson S. Johnson	3.69	1942	PHN	39	8	19	.296	26	78	10	1	0	195.1	198	80	96	6	72	1	8	834	2	3.59	3.32	1.08	0.28	9.4	8.6	1.38	.284	4.42	112	3.14	92	9.12	5.8
23	Elmer Riddle E. Riddle	3.69	1942	CIN	29	7	11	.389	19	78	7	1	0	158.1	157	65	74	7	79	4	5	700	2	4.43	4.49	0.99	0.40	11.1	11.3	1.49	.282	4.21	115	3.58	107	8.92	-4.6
24	Rube Melton R. Melton	3.70	1942	PHN	42	9	20	.310	29	107	10	1	4	209.1	180	86	95	7	114	3	9	903	8	4.60	4.90	0.94	0.30	11.8	12.6	1.40	.257	4.08	113	3.51	103	7.74	-2.4
25	Bill Lee B. Lee	3.85	1942	CHC	32	13	13	.500	30	75	18	1	0	219.2	221	94	99	4	67	1	1	939	3	3.07	2.75	1.12	0.16	8.0	7.1	1.31	.274	4.06	119	2.90	86	9.05	11.6