The Colorado Rockies have the highest ERA by a team in the World Series, with an ERA of 7.68.

	TEAM	ERA	Series W	SERIES	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	Rockies	7.68	0	World Series	4	.000	0	4	20	0	0	34.0	47	29	29	3	19	1	3	165	0	5.29	5.03	1.05	0.79	12.1	11.5	1.94	.361	7.68	12.44
2	Angels	5.75	1	World Series	7	.571	4	3	50	0	3	61.0	66	39	44	14	30	1	9	274	1	7.38	4.43	1.67	2.07	18.2	10.9	1.57	.291	6.49	9.74
3	Padres	5.21	0	World Series	9	.111	1	8	56	0	1	76.0	83	44	49	13	44	3	4	350	3	6.63	5.21	1.27	1.54	16.0	12.6	1.67	.299	5.80	9.83
4	Rays	5.07	0	World Series	11	.273	3	8	99	0	1	94.0	95	53	56	21	52	3	6	428	10	9.48	4.98	1.90	2.01	23.1	12.1	1.56	.292	5.36	9.10
5	Rangers	4.86	1	World Series	17	.471	8	9	131	0	5	152.0	145	82	89	18	68	7	10	663	4	7.76	4.03	1.93	1.07	19.8	10.3	1.40	.289	5.27	8.59
6	Brewers	4.80	0	World Series	7	.429	3	4	26	1	2	60.0	67	32	39	4	20	0	2	268	3	3.90	3.00	1.30	0.60	9.7	7.5	1.45	.289	5.85	10.05
7	Marlins	4.43	2	World Series	13	.615	8	5	100	1	4	120.0	126	59	65	13	62	3	3	531	2	7.50	4.65	1.61	0.97	18.8	11.7	1.57	.320	4.88	9.45
8	Nationals	4.29	1	World Series	7	.571	4	3	51	0	1	63.0	68	30	30	11	27	0	3	279	3	7.29	3.86	1.89	1.57	18.3	9.7	1.51	.300	4.29	9.71
9	Astros	4.13	2	World Series	30	.433	13	17	288	0	4	272.1	228	125	130	46	103	15	6	1,143	8	9.52	3.40	2.80	1.52	25.2	9.0	1.22	.263	4.30	7.53
10	Pirates	4.13	5	World Series	47	.489	23	24	224	2	8	412.1	412	189	221	33	128	17	8	1,777	14	4.89	2.79	1.75	0.72	12.6	7.2	1.31	.276	4.82	8.99
11	Phillies	4.02	2	World Series	43	.372	16	27	302	1	9	378.1	361	169	178	40	128	17	9	1,601	10	7.18	3.04	2.36	0.95	18.9	8.0	1.29	.288	4.23	8.59
12	Blue Jays	3.83	2	World Series	19	.579	11	8	170	0	5	181.0	155	77	82	21	87	4	12	774	6	8.45	4.33	1.95	1.04	22.0	11.2	1.34	.272	4.08	7.71
13	Dodgers	3.70	9	World Series	135	.452	61	74	895	9	18	1208.0	1,069	497	549	139	479	35	56	5,082	37	6.67	3.57	1.87	1.04	17.6	9.4	1.28	.263	4.09	7.96
14	Cubs	3.61	3	World Series	60	.390	23	36	315	8	3	536.1	486	215	252	30	201	24	16	2,269	16	5.29	3.37	1.57	0.50	13.9	8.9	1.28	.268	4.23	8.16
15	Cardinals	3.43	11	World Series	118	.492	58	60	743	10	16	1040.2	935	397	460	95	410	28	54	4,424	24	6.43	3.55	1.81	0.82	16.8	9.3	1.29	.267	3.98	8.09
16	Reds	3.34	5	World Series	51	.510	26	25	259	3	8	455.2	398	169	190	44	173	6	21	1,901	8	5.12	3.42	1.50	0.87	13.6	9.1	1.25	.249	3.75	7.86
17	Royals	3.29	2	World Series	25	.520	13	12	156	1	3	227.0	200	83	89	13	70	5	9	931	7	6.19	2.78	2.23	0.52	16.8	7.5	1.19	.272	3.53	7.93
18	Giants	3.29	8	World Series	116	.500	57	57	592	12	13	1034.1	926	378	446	70	332	20	27	4,301	29	5.15	2.89	1.78	0.61	13.8	7.7	1.22	.260	3.88	8.06
19	Indians	3.28	2	World Series	37	.459	17	20	209	3	5	329.0	296	120	133	30	126	6	16	1,383	9	5.72	3.45	1.66	0.82	15.1	9.1	1.28	.263	3.64	8.10
20	Tigers	3.23	4	World Series	65	.422	27	37	365	2	3	579.2	557	208	260	29	166	15	11	2,438	15	5.67	2.58	2.20	0.45	15.0	6.8	1.25	.283	4.04	8.65
21	Twins	3.12	3	World Series	40	.475	19	21	207	3	6	360.1	361	125	147	26	105	11	13	1,527	9	5.17	2.62	1.97	0.65	13.6	6.9	1.29	.284	3.67	9.02
22	Yankees	3.10	27	World Series	230	.590	135	94	1,329	14	42	2052.0	1,823	707	821	155	665	43	61	8,502	27	5.83	2.92	2.00	0.68	15.6	7.8	1.21	.264	3.60	8.00
23	Mets	2.99	2	World Series	29	.448	13	16	220	0	8	271.0	237	90	103	16	113	8	18	1,162	7	7.31	3.75	1.95	0.53	18.9	9.7	1.29	.275	3.42	7.87
24	Braves	2.91	4	World Series	59	.475	28	31	377	5	6	531.2	427	172	196	49	190	7	32	2,176	13	6.38	3.22	1.98	0.83	17.3	8.7	1.16	.243	3.32	7.23
25	White Sox	2.83	3	World Series	30	.567	17	13	140	2	6	270.0	233	85	105	12	78	14	6	1,111	7	4.67	2.60	1.79	0.40	12.6	7.0	1.15	.255	3.50	7.77