lowest era in 1920s with a minimum of 2000 inning pitched

Between the 1920 and 1929 seasons, Grover Alexander had the lowest ERA when pitching at least 2000 innings, with an ERA of 3.04.

Interpreted as:

lowest era by a player in 1920s with a minimum of 2000 inning 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	Grover Alexander G. Alexander	3.04	2415.1	325	165	105	.611	290	653	194	20	16	2,528	816	982	111	349	15	29	9,893	18	2.43	1.30	1.87	0.41	6.6	3.5	1.19	.276	3.66	77	3.48	88	9.42	127
2	Dolf Luque D. Luque	3.09	2479.2	353	138	146	.486	302	904	168	21	8	2,446	851	1,059	75	688	21	38	10,321	35	3.28	2.50	1.31	0.27	8.8	6.7	1.26	.275	3.84	82	3.52	93	8.88	74.3
3	Dazzy Vance D. Vance	3.10	2053.2	266	147	90	.620	244	1,464	172	22	4	1,891	708	820	83	583	61	18	8,506	24	6.42	2.55	2.51	0.36	17.2	6.9	1.20	.286	3.59	77	3.05	76	8.29	219.9
4	Eppa Rixey E. Rixey	3.24	2678.1	386	166	142	.539	330	686	185	20	10	2,827	964	1,169	59	567	37	47	11,150	38	2.31	1.91	1.21	0.20	6.2	5.1	1.27	.282	3.93	85	3.44	89	9.50	117.2
5	Urban Shocker U. Shocker	3.34	2148.2	330	156	93	.627	261	753	168	22	22	2,256	797	946	117	484	26	53	9,020	10	3.15	2.03	1.56	0.49	8.3	5.4	1.28	.280	3.96	80	3.71	90	9.45	102.2
6	Red Faber R. Faber	3.34	2364.0	316	149	116	.562	297	804	181	17	4	2,429	878	1,045	73	664	47	14	9,958	28	3.06	2.53	1.21	0.28	8.1	6.7	1.31	.281	3.98	83	3.62	90	9.25	101.7
7	Herb Pennock H. Pennock	3.44	2313.0	352	163	112	.593	286	731	181	21	23	2,485	883	1,038	87	556	21	48	9,743	28	2.84	2.16	1.31	0.34	7.5	5.7	1.31	.287	4.04	86	3.60	91	9.67	88.4
8	Eddie Rommel E. Rommel	3.47	2243.1	424	154	108	.588	230	530	132	17	25	2,367	865	1,054	116	652	31	138	9,531	25	2.13	2.62	0.81	0.47	5.6	6.8	1.35	.274	4.23	82	4.11	98	9.50	21.7
9	Jack Quinn J. Quinn	3.50	2042.0	368	131	111	.541	251	575	124	19	22	2,317	795	983	65	432	47	68	8,739	24	2.53	1.90	1.33	0.29	6.6	4.9	1.35	.296	4.33	85	3.54	86	10.21	126.3
10	Waite Hoyt W. Hoyt	3.51	2346.0	379	161	102	.612	280	748	160	17	30	2,464	914	1,080	88	669	33	80	9,964	25	2.87	2.57	1.12	0.34	7.5	6.7	1.34	.282	4.14	87	3.75	94	9.45	57.6
11	Burleigh Grimes B. Grimes	3.52	2797.2	373	190	130	.594	336	1,018	234	20	11	2,988	1,093	1,354	105	842	62	31	12,039	51	3.27	2.71	1.21	0.34	8.5	7.0	1.37	.288	4.36	90	3.72	94	9.61	69.1
12	Jesse Haines J. Haines	3.61	2328.1	346	153	119	.563	293	742	169	20	5	2,490	935	1,132	122	644	47	32	9,897	33	2.87	2.49	1.15	0.47	7.5	6.5	1.35	.284	4.38	92	3.92	99	9.62	3.6
13	Bill Sherdel B. Sherdel	3.70	2061.1	378	139	108	.563	209	657	128	10	24	2,317	848	999	116	490	45	118	8,853	18	2.87	2.14	1.34	0.51	7.4	5.5	1.36	.292	4.36	93	3.86	97	10.12	28.7
14	Tom Zachary T. Zachary	3.74	2018.1	336	128	122	.512	263	426	126	15	11	2,313	838	1,017	77	609	33	50	8,685	24	1.90	2.72	0.70	0.34	4.9	7.0	1.45	.297	4.53	93	4.01	101	10.31	-12.9
15	Howard Ehmke H. Ehmke	3.81	2265.0	333	136	137	.498	275	824	162	14	13	2,319	959	1,151	89	805	118	43	9,783	17	3.27	3.20	1.02	0.35	8.4	8.2	1.38	.281	4.57	93	3.99	98	9.21	23.1
16	Sad Sam Jones S. Sam Jones	3.83	2230.0	363	137	118	.537	278	718	150	21	23	2,345	948	1,137	85	791	36	59	9,559	37	2.90	3.19	0.91	0.34	7.5	8.3	1.41	.285	4.59	95	3.95	99	9.46	9.4
17	George Uhle G. Uhle	3.97	2309.2	356	152	124	.551	285	808	182	16	16	2,570	1,019	1,214	64	719	90	51	10,125	43	3.15	2.80	1.12	0.25	8.0	7.1	1.42	.297	4.73	95	3.72	90	10.01	112.1