lowest era in 1930s with a minimum of 2000 innings pitched

Between the 1930 and 1939 seasons, Carl Hubbell had the lowest ERA when pitching at least 2000 innings, with an ERA of 2.71.

Interpreted as:

lowest era by a player in 1930s with a minimum of 2000 innings pitched

	NAME	ERA	IP	G	W	L	W%	GS	SO	CG	SHO	SV	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	Carl Hubbell C. Hubbell	2.71	2596.2	383	188	104	.644	303	1,281	197	31	30	2,437	782	917	147	467	39	66	10,584	34	4.44	1.62	2.74	0.51	12.1	4.4	1.12	.265	3.18	69	3.42	86	8.45	163.9
2	Lefty Grove L. Grove	2.91	2399.0	351	199	76	.724	268	1,313	197	26	31	2,344	776	907	93	639	22	72	10,054	16	4.93	2.40	2.05	0.35	13.1	6.4	1.24	.282	3.40	62	3.33	73	8.79	326
3	Lon Warneke L. Warneke	3.23	2021.0	318	144	85	.629	247	877	146	24	11	1,993	725	845	126	555	21	46	8,471	45	3.91	2.47	1.58	0.56	10.4	6.6	1.26	.271	3.76	83	3.83	96	8.88	35.3
4	Lefty Gomez L. Gomez	3.24	2234.2	322	165	89	.650	278	1,337	163	26	10	2,031	804	949	122	904	15	28	9,505	30	5.38	3.64	1.48	0.49	14.1	9.5	1.31	.268	3.82	75	3.79	90	8.18	98
5	Larry French L. French	3.42	2481.2	430	156	134	.538	304	901	161	32	14	2,701	942	1,136	130	610	27	77	10,605	29	3.27	2.21	1.48	0.47	8.5	5.8	1.33	.288	4.12	86	3.81	93	9.80	77.7
6	Paul Derringer P. Derringer	3.50	2343.2	375	148	137	.519	285	1,018	163	23	18	2,584	911	1,083	93	481	27	68	9,948	40	3.91	1.85	2.12	0.36	10.2	4.8	1.31	.299	4.16	92	3.33	85	9.92	156.7
7	Red Ruffing R. Ruffing	3.59	2439.0	334	175	98	.641	298	1,260	201	28	9	2,327	972	1,123	150	858	24	31	10,351	24	4.65	3.17	1.47	0.55	12.2	8.3	1.31	.270	4.14	83	3.93	93	8.59	77.1
8	Mel Harder M. Harder	3.74	2326.0	385	158	123	.562	285	813	134	16	22	2,557	967	1,168	101	692	41	71	10,102	22	3.15	2.68	1.17	0.39	8.0	6.9	1.40	.290	4.52	81	3.88	86	9.89	163.6
9	Tommy Bridges T. Bridges	3.76	2083.0	309	150	102	.595	266	1,207	156	25	8	2,015	870	1,021	138	902	29	32	9,033	41	5.22	3.90	1.34	0.60	13.4	10.0	1.40	.278	4.41	81	4.10	91	8.71	93.4
10	Wes Ferrell W. Ferrell	4.08	2345.1	323	170	115	.596	293	867	207	16	8	2,554	1,062	1,251	124	911	18	28	10,347	32	3.33	3.50	0.95	0.48	8.4	8.8	1.48	.288	4.80	87	4.25	93	9.80	86.7
11	Bump Hadley B. Hadley	4.21	2121.2	374	121	119	.504	257	1,006	98	10	20	2,127	992	1,147	133	1,061	38	78	9,372	50	4.27	4.50	0.95	0.56	10.7	11.3	1.50	.280	4.87	92	4.50	101	9.02	-13.9
12	Earl Whitehill E. Whitehill	4.53	2129.1	317	131	107	.550	282	783	134	8	5	2,378	1,072	1,220	134	891	54	20	9,482	37	3.31	3.77	0.88	0.57	8.3	9.4	1.54	.294	5.16	101	4.50	103	10.05	-28.2