9 teams are tied for the best ERA in the month of April, with an ERA of 0.00. The first three are the Chicago Whales, the Newark Peppers and the Kansas City Packers.

	TEAM	ERA	G	W%	W	L	SO	SHO	SV	IP	H	ER	R	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Whales	0.00	26	.538	14	12	98	1	0	237.1	193	0	88	6	92	4			2	3.72	3.49	1.07	0.23		13.9	1.20	.405	3.34	7.32
2	Peppers	0.00	29	.586	17	12	95	2	0	263.1	268	0	139	1	113	17			4	3.25	3.86	0.84	0.03		12.8	1.45	.405	4.75	9.16
3	Packers	0.00	29	.448	13	16	96	2	2	269.2	290	0	143	10	102	12			11	3.20	3.40	0.94	0.33		16.7	1.45	.718	4.77	9.68
4	Terriers	0.00	26	.577	15	11	137	2	0	237.0	198	0	94	7	94	9			4	5.20	3.57	1.46	0.27		14.0	1.23	.450	3.57	7.52
5	Tip-Tops	0.00	25	.560	14	11	83	3	5	220.0	220	0	124	4	115	4			8	3.40	4.70	0.72	0.16		28.8	1.52	1.113	5.07	9.00
6	Rebels	0.00	25	.440	11	14	71	3	1	219.2	186	0	89	8	86	2			6	2.91	3.52	0.83	0.33		22.5	1.24	.828	3.65	7.62
7	Terrapins	0.00	27	.444	12	15	107	0	2	236.0	263	0	130	9	79	8			5	4.08	3.01	1.35	0.34		17.0	1.45	.973	4.96	10.03
8	Blues	0.00	23	.391	9	14	84	1	2	206.0	218	0	123	7	121	7			6	3.67	5.29	0.69	0.31		30.9	1.65	1.220	5.37	9.52
9	Orioles	0.00	10	.500	5	5	-12	0	0	87.1	90	0	59	0	33	6		305	3	-1.24	3.40	-0.36	0.00	-3.9	10.8	1.41	.324	6.08	9.27
10	Dodgers	2.55	2,159	.543	1,167	983	12,816	121	402	19354.2	17,644		8,561	1,454	6,853	571	405	81,219	597	5.96	3.19	1.87	0.68	15.8	8.4	1.27	.272	3.98	8.20
11	Cardinals	2.68	2,086	.510	1,059	1,016	11,152	90	401	18742.0	17,758		8,832	1,435	6,968	628	411	79,610	569	5.36	3.35	1.60	0.69	14.0	8.8	1.32	.275	4.24	8.53
12	Yankees	2.74	2,016	.563	1,131	878	11,540	105	409	18009.0	16,768	5,483	8,225	1,425	6,673	552	256		561	5.77	3.33	1.73	0.71		8.9	1.30	.278	4.11	8.38
13	Braves	2.75	2,081	.503	1,041	1,029	11,288	104	372	18555.1	17,753		8,830	1,511	6,974	471	475	78,925	531	5.48	3.38	1.62	0.73	14.3	8.8	1.33	.277	4.28	8.61
14	Giants	2.78	2,114	.544	1,145	960	11,824	93	431	18979.0	17,798		8,782	1,578	6,894	508	438	80,301	545	5.61	3.27	1.72	0.75	14.7	8.6	1.30	.273	4.16	8.44
15	Cubs	2.84	2,074	.504	1,040	1,024	11,891	79	363	18546.2	17,657		9,052	1,582	7,233	547	442	79,325	564	5.77	3.51	1.64	0.77	15.0	9.1	1.34	.277	4.39	8.57
16	Pirates	2.84	2,046	.497	1,013	1,026	10,812	92	399	18258.1	17,680		8,879	1,478	6,854	551	441	78,057	572	5.33	3.38	1.58	0.73	13.9	8.8	1.34	.278	4.38	8.71
17	Phillies	2.84	2,049	.483	982	1,050	11,375	88	336	18236.0	17,981		9,181	1,612	7,091	592	424	78,389	564	5.61	3.50	1.60	0.80	14.5	9.0	1.37	.284	4.53	8.87
18	Red Sox	2.89	2,031	.526	1,063	959	11,625	81	398	18207.1	17,440	5,843	8,998	1,565	7,070	615	294		493	5.75	3.49	1.64	0.77		9.1	1.35	.281	4.45	8.62
19	White Sox	2.91	2,003	.503	1,002	992	10,711	91	376	17880.2	17,042	5,784	8,747	1,478	7,102	542	294		579	5.39	3.57	1.51	0.74		9.3	1.35	.277	4.40	8.58
20	Reds	2.92	2,129	.480	1,017	1,100	11,437	85	416	18991.1	18,455		9,522	1,605	7,417	586	474	81,351	595	5.42	3.51	1.54	0.76	14.1	9.1	1.36	.279	4.51	8.75
21	Tigers	2.94	2,056	.491	1,007	1,043	10,519	98	340	18337.0	17,759	5,998	9,214	1,532	7,144	592	350		648	5.16	3.51	1.47	0.75		9.1	1.36	.277	4.52	8.72
22	Guardians	2.95	1,998	.513	1,022	971	10,990	92	353	17857.2	17,215	5,859	8,761	1,472	7,066	544	334		542	5.54	3.56	1.56	0.74		9.2	1.36	.279	4.42	8.68
23	Athletics	3.00	2,091	.488	1,016	1,066	11,114	72	371	18698.2	18,046	6,232	9,599	1,624	7,795	651	324		605	5.35	3.75	1.43	0.78		9.7	1.38	.278	4.62	8.69
24	Orioles	3.03	2,077	.472	976	1,093	10,503	72	370	18519.1	18,207	6,240	9,624	1,688	7,493	525	305		593	5.10	3.64	1.40	0.82		9.4	1.39	.279	4.68	8.85
25	Twins	3.08	2,078	.484	1,001	1,067	10,815	76	374	18502.0	18,589	6,342	9,662	1,755	6,813	562	259		590	5.26	3.31	1.59	0.85		8.6	1.37	.284	4.70	9.04