Lefty Grove had the lowest ERA in the AL in 1938, with an ERA of 3.08.

Interpreted as:

Who had the best era with a minimum of 1 IP per team game in the al in 1938?

	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	Lefty Grove L. Grove	3.08	1938	BSA	24	14	4	.778	21	99	12	1	1	163.2	169	56	65	8	52	1	3	706	3	5.44	2.86	1.90	0.44	14.0	7.4	1.35	.295	3.57	62	3.32	70	9.29	25.3
2	Red Ruffing R. Ruffing	3.31	1938	NYY	31	21	7	.750	31	127	22	3	0	247.1	246	91	104	16	82	0	0	1,043	1	4.62	2.98	1.55	0.58	12.2	7.9	1.33	.281	3.78	72	3.73	85	8.95	18.7
3	Lefty Gomez L. Gomez	3.35	1938	NYY	32	18	12	.600	32	129	20	4	0	239.0	239	89	110	7	99	1	0	1,034	5	4.86	3.73	1.30	0.26	12.5	9.6	1.41	.291	4.14	73	3.48	79	9.00	25.1
4	Dutch Leonard D. Leonard	3.43	1938	WSH	33	12	15	.444	31	68	15	3	0	223.1	221	85	109	11	53	7	1	939	11	2.74	2.14	1.28	0.44	7.2	5.6	1.23	.263	4.39	75	3.76	86	8.91	14.9
5	Thornton Lee T. Lee	3.49	1938	CWS	33	13	12	.520	30	77	18	1	1	245.1	252	95	123	12	94	3	3	1,074	2	2.82	3.45	0.82	0.44	7.2	8.8	1.41	.270	4.51	73	4.12	90	9.24	13.1
6	Johnny Rigney J. Rigney	3.56	1938	CWS	38	9	9	.500	12	84	7	1	1	167.0	164	66	74	16	72	2	19	728	7	4.53	3.88	1.17	0.86	11.5	9.9	1.41	.267	3.99	74	4.49	98	8.84	1.9
7	Bump Hadley B. Hadley	3.60	1938	NYY	29	9	8	.529	17	61	8	1	1	167.1	165	67	79	13	66	3	5	728	6	3.28	3.55	0.92	0.70	8.4	9.1	1.38	.260	4.25	78	4.44	101	8.87	-1.1
8	Ted Lyons T. Lyons	3.70	1938	CWS	23	9	11	.450	23	54	17	1	0	194.2	238	80	93	13	52	0	0	862	1	2.50	2.40	1.04	0.60	6.3	6.0	1.49	.303	4.30	77	4.04	88	11.00	12.1
9	Mel Harder M. Harder	3.83	1938	CLE	38	17	10	.630	29	102	15	2	4	240.0	257	102	115	16	62	5	6	1,026	1	3.83	2.33	1.65	0.60	9.9	6.0	1.33	.287	4.31	81	3.78	83	9.64	20.7
10	Monte Pearson M. Pearson	3.97	1938	NYY	28	16	7	.696	27	98	17	1	0	202.0	198	89	107	12	113	0	1	888	9	4.37	5.03	0.87	0.53	11.0	12.7	1.54	.280	4.77	86	4.40	100	8.82	-0.4
11	Monty Stratton M. Stratton	4.01	1938	CWS	26	15	9	.625	22	82	17	0	2	186.1	186	83	95	18	56	7	3	797	2	3.96	2.70	1.46	0.87	10.3	7.0	1.30	.265	4.59	84	4.31	94	8.98	5.9
12	Spud Chandler S. Chandler	4.03	1938	NYY	23	14	5	.737	23	36	14	2	0	172.0	183	77	86	7	47	2	0	737	0	1.88	2.46	0.77	0.37	4.9	6.4	1.34	.273	4.50	88	3.89	88	9.58	9.9
13	Bob Feller B. Feller	4.08	1938	CLE	39	17	11	.607	36	240	20	2	1	277.2	225	126	136	13	208	7	3	1,248	5	7.78	6.74	1.15	0.42	19.2	16.7	1.56	.272	4.41	86	4.13	91	7.29	13
14	George Gill G. Gill	4.12	1938	DET	24	12	9	.571	23	30	13	1	0	164.0	195	75	82	15	50	2	1	719	0	1.65	2.74	0.60	0.82	4.2	7.0	1.49	.289	4.50	83	4.70	98	10.70	1.9
15	Johnny Allen J. Allen	4.19	1938	CLE	30	14	8	.636	27	112	13	0	0	200.0	189	93	107	15	81	3	3	855	7	5.04	3.65	1.38	0.68	13.1	9.5	1.35	.270	4.82	88	4.04	89	8.51	11.4
16	Jack Knott J. Knott	4.19	1938	TOT	27	6	12	.333	22	43	9	0	0	161.0	170	75	89	11	69	0	3	705	0	2.40	3.86	0.62	0.61	6.1	9.8	1.48	.273	4.98	87	4.56	98	9.50	1.5
17	Jim Bagby J. Bagby	4.21	1938	BSA	43	15	11	.577	25	73	10	1	2	198.2	218	93	110	9	90	3	12	873	5	3.31	4.08	0.81	0.41	8.4	10.3	1.55	.299	4.98	85	4.18	88	9.88	12.3
18	Jack Wilson J. Wilson	4.30	1938	BSA	37	15	15	.500	27	96	11	3	1	194.2	200	93	108	16	91	2	7	869	2	4.44	4.21	1.05	0.74	11.0	10.5	1.49	.277	4.99	87	4.44	94	9.25	6.7
19	George Caster G. Caster	4.35	1938	PHA	42	16	20	.444	40	112	20	2	1	281.1	310	136	156	25	117	3	2	1,250	5	3.58	3.74	0.96	0.80	9.0	9.4	1.52	.287	4.99	90	4.56	98	9.92	2.7
20	Fritz Ostermueller F. Ostermueller	4.58	1938	BSA	31	13	5	.722	18	46	10	1	2	176.2	199	90	98	15	58	3	8	795	5	2.34	2.95	0.79	0.76	5.8	7.3	1.45	.273	4.99	93	4.54	96	10.14	4.1
21	Pete Appleton P. Appleton	4.60	1938	WSH	43	7	9	.438	10	62	5	0	5	164.1	175	84	99	12	61	1	23	722	8	3.40	3.34	1.02	0.66	8.6	8.4	1.44	.278	5.42	101	4.25	97	9.58	1.6
22	John Whitehead J. Whitehead	4.76	1938	CWS	32	10	11	.476	24	38	10	2	2	183.1	218	97	108	12	80	3	6	830	1	1.87	3.93	0.48	0.59	4.6	9.6	1.63	.296	5.30	99	4.72	103	10.70	-2.5
23	Bud Thomas B. Thomas	4.92	1938	PHA	42	9	14	.391	29	48	7	1	0	212.1	259	116	138	23	62	2	9	945	5	2.03	2.63	0.77	0.97	5.1	6.6	1.51	.291	5.85	102	4.78	103	10.98	-3.1
24	Vern Kennedy V. Kennedy	5.06	1938	DET	33	12	9	.571	26	53	11	0	2	190.1	215	107	123	13	113	1	6	877	7	2.51	5.34	0.47	0.61	6.0	12.9	1.72	.290	5.82	102	5.05	106	10.17	-4.9
25	Bobo Newsom B. Newsom	5.08	1938	SLA	44	20	16	.556	40	226	31	0	1	329.2	334	186	205	30	192	5	3	1,475	3	6.17	5.24	1.18	0.82	15.3	13.0	1.60	.297	5.60	101	4.53	94	9.12	11.6