The Atlanta Braves had the best ERA by a team in 1998, with an ERA of 3.25.

	TEAM	ERA	SEASON	G	W%	W	L	GS	SO	CG	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	Braves	3.25	1998	162	.654	106	56	162	1,232	24	14	45	1438.2	1,291	520	581	117	467	35	37	5,967	51	7.71	2.92	2.64	0.73	20.6	7.8	1.22	.285	3.63	8.08
2	Astros	3.50	1998	162	.630	102	60	162	1,187	12	7	44	1471.1	1,435	572	620	147	465	42	25	6,214	50	7.26	2.84	2.55	0.90	19.1	7.5	1.29	.295	3.79	8.78
3	Padres	3.63	1998	162	.605	98	64	162	1,217	14	5	59	1454.2	1,384	587	635	139	501	49	45	6,151	63	7.53	3.10	2.43	0.86	19.8	8.1	1.30	.293	3.93	8.56
4	Mets	3.76	1998	162	.543	88	74	162	1,129	9	3	46	1458.0	1,381	609	645	152	532	68	59	6,161	40	6.97	3.28	2.12	0.94	18.3	8.6	1.31	.287	3.98	8.52
5	Dodgers	3.81	1998	162	.512	83	79	162	1,178	16	6	47	1447.1	1,332	612	678	135	587	56	26	6,168	46	7.33	3.65	2.01	0.84	19.1	9.5	1.33	.284	4.22	8.28
6	Yankees	3.82	1998	162	.704	114	48	162	1,080	22	8	48	1456.2	1,357	619	656	156	466	68	25	6,100	37	6.67	2.88	2.32	0.96	17.7	7.6	1.25	.277	4.05	8.38
7	Pirates	3.91	1998	163	.426	69	93	163	1,112	7	2	41	1449.0	1,433	629	718	147	530	31	53	6,217	45	6.91	3.29	2.10	0.91	17.9	8.5	1.35	.292	4.46	8.90
8	Giants	4.18	1998	163	.546	89	74	163	1,089	6	3	44	1477.0	1,457	686	739	171	562	52	68	6,362	58	6.64	3.42	1.94	1.04	17.1	8.8	1.37	.287	4.50	8.88
9	Red Sox	4.18	1998	162	.568	92	70	162	1,025	5	2	53	1436.0	1,406	667	729	168	504	53	33	6,141	62	6.42	3.16	2.03	1.05	16.7	8.2	1.33	.282	4.57	8.81
10	Blue Jays	4.28	1998	163	.543	88	74	163	1,154	10	5	47	1465.0	1,443	697	768	169	587	45	26	6,352	34	7.09	3.61	1.97	1.04	18.2	9.2	1.39	.290	4.72	8.86
11	Cardinals	4.31	1998	163	.512	83	79	163	972	6	2	44	1469.2	1,513	703	782	151	558	54	38	6,392	42	5.95	3.42	1.74	0.92	15.2	8.7	1.41	.292	4.79	9.27
12	Devil Rays	4.35	1998	162	.389	63	99	162	1,008	7	2	28	1443.0	1,425	698	751	171	643	81	27	6,269	43	6.29	4.01	1.57	1.07	16.1	10.3	1.43	.287	4.68	8.89
13	Expos	4.38	1998	162	.401	65	97	162	1,017	4	0	39	1427.0	1,448	695	783	156	533	57	39	6,207	50	6.41	3.36	1.91	0.98	16.4	8.6	1.39	.291	4.94	9.13
14	Reds	4.44	1998	162	.475	77	85	162	1,098	6	3	42	1441.1	1,400	711	760	170	573	52	42	6,206	60	6.86	3.58	1.92	1.06	17.7	9.2	1.37	.285	4.75	8.74
15	Indians	4.44	1998	162	.549	89	73	162	1,037	9	3	47	1460.0	1,552	721	779	171	563	67	48	6,393	35	6.39	3.47	1.84	1.05	16.2	8.8	1.45	.303	4.80	9.57
16	Cubs	4.47	1998	163	.552	90	73	163	1,207	7	5	56	1477.1	1,528	733	792	180	575	48	48	6,472	48	7.35	3.50	2.10	1.10	18.6	8.9	1.42	.302	4.82	9.31
17	Angels	4.49	1998	162	.525	85	77	162	1,091	3	1	52	1444.0	1,481	720	783	164	630	47	23	6,326	70	6.80	3.93	1.73	1.02	17.2	10.0	1.46	.300	4.88	9.23
18	Brewers	4.63	1998	162	.457	74	88	162	1,063	2	0	39	1451.0	1,538	746	812	188	550	61	29	6,325	48	6.59	3.41	1.93	1.17	16.8	8.7	1.44	.302	5.04	9.54
19	Diamondbacks	4.63	1998	162	.401	65	97	162	908	7	2	37	1432.1	1,463	737	812	188	489	41	32	6,151	52	5.71	3.07	1.86	1.18	14.8	7.9	1.36	.282	5.10	9.19
20	Phillies	4.64	1998	162	.463	75	87	162	1,176	21	3	32	1463.0	1,476	754	808	188	544	54	27	6,339	73	7.23	3.35	2.16	1.16	18.6	8.6	1.38	.294	4.97	9.08
21	Orioles	4.74	1998	162	.488	79	83	162	1,065	16	4	37	1431.1	1,505	754	785	169	535	46	33	6,213	51	6.70	3.36	1.99	1.06	17.1	8.6	1.43	.304	4.94	9.46
22	Twins	4.75	1998	162	.432	70	92	162	952	7	1	42	1447.2	1,622	764	818	180	457	44	21	6,322	55	5.92	2.84	2.08	1.12	15.1	7.2	1.44	.308	5.09	10.08
23	Athletics	4.81	1998	162	.457	74	88	162	922	12	3	39	1434.0	1,555	766	866	179	529	56	29	6,310	68	5.79	3.32	1.74	1.12	14.6	8.4	1.45	.298	5.44	9.76
24	Tigers	4.93	1998	162	.401	65	97	162	947	9	3	32	1446.1	1,551	792	863	185	595	40	53	6,327	60	5.89	3.70	1.59	1.15	15.0	9.4	1.48	.300	5.37	9.65
25	Mariners	4.93	1998	161	.472	76	85	161	1,156	17	5	31	1424.1	1,530	781	855	196	528	60	23	6,271	61	7.30	3.34	2.19	1.24	18.4	8.4	1.44	.308	5.40	9.67