The Tampa Bay Devil Rays had the worst ERA by a team in 2002, with an ERA of 5.29.

	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	Devil Rays	5.29	2002	161	.342	55	106	161	925	12	1	25	1440.1	1,567	846	918	215	620	94	24	6,424	62	5.78	3.87	1.49	1.34	14.4	9.7	1.52	.296	5.74	9.79
2	Royals	5.21	2002	162	.383	62	100	162	909	12	4	30	1441.0	1,587	834	891	212	572	52	48	6,386	68	5.68	3.57	1.59	1.32	14.2	9.0	1.50	.296	5.56	9.91
3	Rockies	5.20	2002	162	.451	73	89	162	920	1	0	43	1426.2	1,554	825	898	225	582	64	49	6,345	42	5.80	3.67	1.58	1.42	14.5	9.2	1.50	.292	5.66	9.80
4	Rangers	5.15	2002	162	.444	72	90	162	1,030	4	2	33	1439.2	1,528	824	882	194	669	76	32	6,446	84	6.44	4.18	1.54	1.21	16.0	10.4	1.53	.298	5.51	9.55
5	Tigers	4.92	2002	161	.342	55	106	161	794	11	4	33	1414.0	1,593	773	864	163	463	62	34	6,215	59	5.05	2.95	1.71	1.04	12.8	7.4	1.45	.302	5.50	10.14
6	Indians	4.91	2002	162	.457	74	88	162	1,058	9	2	34	1424.2	1,508	777	837	142	603	57	38	6,271	52	6.68	3.81	1.75	0.90	16.9	9.6	1.48	.310	5.29	9.53
7	Blue Jays	4.80	2002	162	.481	78	84	162	991	6	2	41	1438.1	1,504	767	828	177	590	71	56	6,338	57	6.20	3.69	1.68	1.11	15.6	9.3	1.46	.294	5.18	9.41
8	Brewers	4.73	2002	162	.346	56	106	162	1,026	7	3	32	1432.1	1,468	752	821	199	666	62	82	6,339	64	6.45	4.18	1.54	1.25	16.2	10.5	1.49	.289	5.16	9.22
9	Padres	4.62	2002	162	.407	66	96	162	1,108	5	2	40	1436.1	1,522	737	815	177	582	66	61	6,333	51	6.94	3.65	1.90	1.11	17.5	9.2	1.46	.306	5.11	9.54
10	White Sox	4.53	2002	162	.500	81	81	162	945	7	4	35	1423.0	1,422	716	798	190	528	60	31	6,131	54	5.98	3.34	1.79	1.20	15.4	8.6	1.37	.279	5.05	8.99
11	Orioles	4.46	2002	162	.414	67	95	162	967	8	1	31	1450.2	1,491	719	773	208	549	54	34	6,258	54	6.00	3.41	1.76	1.29	15.5	8.8	1.41	.286	4.80	9.25
12	Marlins	4.36	2002	162	.488	79	83	162	1,104	11	6	36	1456.1	1,449	706	763	151	631	58	46	6,340	55	6.82	3.90	1.75	0.93	17.4	10.0	1.43	.295	4.72	8.95
13	Cubs	4.29	2002	162	.414	67	95	162	1,333	11	3	23	1441.1	1,373	687	759	167	606	58	53	6,236	44	8.32	3.78	2.20	1.04	21.4	9.7	1.37	.296	4.74	8.57
14	Reds	4.27	2002	162	.481	78	84	162	980	2	1	42	1453.2	1,502	690	774	173	550	56	63	6,296	52	6.07	3.41	1.78	1.07	15.6	8.7	1.41	.293	4.79	9.30
15	Pirates	4.23	2002	161	.447	72	89	161	920	2	1	47	1412.2	1,447	664	730	163	572	55	93	6,131	34	5.86	3.64	1.61	1.04	15.0	9.3	1.43	.290	4.65	9.22
16	Phillies	4.17	2002	161	.497	80	81	161	1,075	5	3	47	1449.2	1,381	671	724	153	570	70	54	6,222	68	6.67	3.54	1.89	0.95	17.3	9.2	1.35	.282	4.49	8.57
17	Twins	4.12	2002	161	.584	94	67	161	1,026	8	5	47	1444.2	1,454	662	712	184	439	45	24	6,133	62	6.39	2.73	2.34	1.15	16.7	7.2	1.31	.286	4.44	9.06
18	Mariners	4.07	2002	162	.574	93	69	162	1,063	8	3	43	1445.1	1,422	654	699	178	441	49	34	6,117	42	6.62	2.75	2.41	1.11	17.4	7.2	1.29	.284	4.35	8.85
19	Astros	4.00	2002	162	.519	84	78	162	1,219	2	2	43	1445.0	1,423	642	695	151	546	55	78	6,205	38	7.59	3.40	2.23	0.94	19.6	8.8	1.36	.300	4.33	8.86
20	Expos	3.97	2002	162	.512	83	79	162	1,088	9	1	39	1453.0	1,475	641	718	165	508	46	80	6,246	51	6.74	3.15	2.14	1.02	17.4	8.1	1.36	.295	4.45	9.14
21	Diamondbacks	3.92	2002	162	.605	98	64	162	1,303	14	5	40	1446.2	1,361	630	674	170	421	54	30	6,067	48	8.11	2.62	3.10	1.06	21.5	6.9	1.23	.289	4.19	8.47
22	Mets	3.89	2002	161	.466	75	86	161	1,107	9	6	36	1442.2	1,408	624	703	163	543	55	75	6,212	22	6.91	3.39	2.04	1.02	17.8	8.7	1.35	.287	4.39	8.78
23	Yankees	3.87	2002	161	.640	103	58	161	1,135	9	5	53	1452.0	1,441	625	697	144	403	48	44	6,159	59	7.04	2.50	2.82	0.89	18.4	6.5	1.27	.293	4.32	8.93
24	Red Sox	3.75	2002	162	.574	93	69	162	1,157	5	3	51	1446.0	1,339	603	665	146	430	84	29	6,049	31	7.20	2.68	2.69	0.91	19.1	7.1	1.22	.282	4.14	8.33
25	Cardinals	3.70	2002	162	.599	97	65	162	1,009	4	2	42	1446.1	1,355	595	648	141	547	60	39	6,135	40	6.28	3.40	1.84	0.88	16.4	8.9	1.32	.277	4.03	8.43