The New York Highlanders had an ERA of 3.08 in 1903.

	TEAM	ERA	L	SEASON	W	L%	G	W%	GS	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Highlanders	3.08	62	1903	72	.463	136	.537	136	463	111	7	2	1201.1	1,171	411	573	19	245	41	4,882	22	3.47	1.84	1.89	0.14	9.5	5.0	1.18	.280	4.29	8.77
2	Highlanders	2.57	59	1904	92	.391	155	.609	155	684	123	14	1	1380.2	1,180	394	526	29	311	41	5,440	41	4.46	2.03	2.20	0.19	12.6	5.7	1.08	.263	3.43	7.69
3	Highlanders	2.93	78	1905	71	.523	152	.477	152	642	88	16	4	1353.2	1,235	440	622	26	396	43	5,487	46	4.27	2.63	1.62	0.17	11.7	7.2	1.20	.276	4.14	8.21
4	Highlanders	2.78	61	1906	90	.404	155	.596	155	605	99	18	5	1357.2	1,236	419	544	21	351	45	5,429	36	4.01	2.33	1.72	0.14	11.1	6.5	1.17	.276	3.61	8.19
5	Highlanders	3.03	78	1907	70	.527	152	.473	152	511	93	7	6	1333.2	1,327	449	671	13	428	48	5,547	28	3.45	2.89	1.19	0.09	9.2	7.7	1.32	.289	4.53	8.96
6	Highlanders	3.16	103	1908	51	.669	155	.331	155	585	90	11	3	1366.0	1,293	479	712	26	458	72	5,653	35	3.85	3.02	1.28	0.17	10.3	8.1	1.28	.281	4.69	8.52
7	Highlanders	2.65	77	1909	74	.510	153	.490	153	597	94	17	8	1350.1	1,223	397	588	21	422	69	5,424	37	3.98	2.81	1.41	0.14	11.0	7.8	1.22	.279	3.92	8.15
8	Highlanders	2.61	63	1910	88	.417	156	.583	156	654	110	14	8	1399.0	1,238	406	556	16	364	54	5,518	27	4.21	2.34	1.80	0.10	11.9	6.6	1.15	.276	3.58	7.96
9	Highlanders	3.54	76	1911	76	.500	153	.500	153	667	90	5	3	1360.2	1,404	535	724	26	406	53	5,665	29	4.41	2.69	1.64	0.17	11.8	7.2	1.33	.305	4.79	9.29
10	Highlanders	4.13	102	1912	50	.671	153	.329	153	637	105	4	3	1335.0	1,448	612	842	28	436	45	5,610	37	4.29	2.94	1.46	0.19	11.4	7.8	1.41	.318	5.68	9.76
11	Yankees	3.27	94	1913	57	.623	153	.377	153	530	75	7	7	1344.0	1,318	489	669	31	455	54	5,532	25	3.55	3.05	1.16	0.21	9.6	8.2	1.32	.288	4.48	8.83
12	Yankees	2.81	84	1914	70	.545	157	.455	157	563	98	9	2	1397.1	1,277	437	550	30	390	32	5,524	37	3.63	2.51	1.44	0.19	10.2	7.1	1.19	.277	3.54	8.22
13	Yankees	3.06	83	1915	69	.546	154	.454	154	559	101	12	1	1382.2	1,272	470	588	41	517	48	5,579	20	3.64	3.37	1.08	0.27	10.0	9.3	1.29	.279	3.83	8.28
14	Yankees	2.77	74	1916	80	.481	156	.519	156	616	84	11	17	1428.0	1,249	440	561	37	476	47	5,640	22	3.88	3.00	1.29	0.23	10.9	8.4	1.21	.272	3.54	7.87
15	Yankees	2.66	82	1917	71	.536	155	.464	155	571	87	9	6	1411.1	1,280	417	558	28	427	36	5,551	20	3.64	2.72	1.34	0.18	10.3	7.7	1.21	.279	3.56	8.16
16	Yankees	3.00	63	1918	60	.512	126	.488	126	370	59	8	13	1157.1	1,103	386	474	25	463	39	4,821	14	2.88	3.60	0.80	0.19	7.7	9.6	1.35	.275	3.69	8.58
17	Yankees	2.82	59	1919	80	.424	141	.576	141	500	85	14	7	1287.0	1,143	403	506	47	433	37	5,225	19	3.50	3.03	1.15	0.33	9.6	8.3	1.22	.260	3.54	7.99
18	Yankees	3.32	59	1920	95	.383	154	.617	154	480	88	15	13	1368.0	1,414	504	632	48	420	32	5,696	24	3.16	2.76	1.14	0.32	8.4	7.4	1.34	.290	4.16	9.30
19	Yankees	3.82	55	1921	98	.359	153	.641	153	481	92	8	15	1364.0	1,461	579	706	51	470	51	5,940	23	3.17	3.10	1.02	0.34	8.1	7.9	1.42	.289	4.66	9.64
20	Yankees	3.39	60	1922	94	.390	154	.610	154	458	100	7	13	1393.2	1,402	525	618	73	423	21	5,833	20	2.96	2.73	1.08	0.47	7.9	7.3	1.31	.274	3.99	9.05
21	Yankees	3.62	54	1923	98	.355	152	.645	152	506	101	9	10	1380.2	1,365	556	622	68	491	27	5,856	32	3.30	3.20	1.03	0.44	8.6	8.4	1.34	.272	4.05	8.90
22	Yankees	3.86	63	1924	89	.414	153	.586	153	487	76	13	13	1359.1	1,483	583	667	59	522	26	5,923	35	3.22	3.46	0.93	0.39	8.2	8.8	1.47	.295	4.42	9.82
23	Yankees	4.33	85	1925	69	.552	156	.448	156	492	80	8	13	1387.2	1,560	668	774	78	505	31	6,078	20	3.19	3.28	0.97	0.51	8.1	8.3	1.49	.298	5.02	10.12
24	Yankees	3.86	63	1926	91	.409	155	.591	155	486	63	4	22	1372.1	1,442	588	714	56	478	26	5,971	21	3.19	3.13	1.02	0.37	8.1	8.0	1.40	.281	4.68	9.46
25	Yankees	3.20	44	1927	110	.286	155	.714	155	431	82	11	22	1389.2	1,403	494	605	42	409	18	5,849	16	2.79	2.65	1.05	0.27	7.4	7.0	1.30	.275	3.92	9.09