The New York Yankees have the most losses * ERA by a team in the postseason, with 647.53.

	TEAM	(L*ERA)	L	ERA	W	L%	G	W%	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	Yankees	647.53	188	3.44	255	.424	444	.576	444	2,942	85	15	99	3992.2	3,635	1,528	1,681	385	1,332	107	115	16,698	95	6.63	3.00	2.21	0.87	17.6	8.0	1.24	.272	3.79	8.19
2	Dodgers	567.08	156	3.64	153	.505	309	.495	309	2,350	43	14	57	2750.2	2,370	1,111	1,217	311	1,039	93	121	11,527	89	7.69	3.40	2.26	1.02	20.4	9.0	1.24	.266	3.98	7.75
3	Cardinals	452.3	128	3.53	134	.489	262	.511	262	1,756	41	13	54	2305.0	2,092	905	1,022	243	877	77	113	9,798	62	6.86	3.42	2.00	0.95	17.9	9.0	1.29	.270	3.99	8.17
4	Braves	376.26	109	3.45	102	.517	211	.483	211	1,625	21	7	39	1900.2	1,656	729	821	203	712	53	117	7,967	53	7.69	3.37	2.28	0.96	20.4	8.9	1.25	.270	3.89	7.84
5	Red Sox	341.27	93	3.67	109	.460	203	.540	203	1,397	36	7	36	1837.0	1,671	749	829	184	631	89	61	7,744	43	6.84	3.09	2.21	0.90	18.0	8.1	1.25	.273	4.06	8.19
6	Giants	308.32	93	3.32	100	.482	195	.518	195	1,178	50	17	33	1751.0	1,559	645	735	138	560	49	53	7,299	49	6.05	2.88	2.10	0.71	16.1	7.7	1.21	.264	3.78	8.01
7	Cubs	302.54	79	3.83	51	.608	131	.392	131	866	25	9	18	1165.2	1,045	496	562	114	452	48	35	4,944	43	6.69	3.49	1.92	0.88	17.5	9.1	1.28	.269	4.34	8.07
8	Astros	296.34	78	3.80	83	.484	161	.516	161	1,476	6	1	32	1464.0	1,249	618	653	200	516	67	37	6,108	50	9.07	3.17	2.86	1.23	24.2	8.4	1.21	.273	4.01	7.68
9	Athletics	253.64	82	3.09	85	.491	167	.509	167	1,006	44	8	38	1492.2	1,338	513	598	122	470	41	41	6,196	44	6.07	2.83	2.14	0.74	16.2	7.6	1.21	.267	3.61	8.07
10	Phillies	253.35	71	3.57	70	.504	141	.496	141	1,094	12	3	35	1251.0	1,126	496	536	117	432	46	48	5,262	39	7.87	3.11	2.53	0.84	20.8	8.2	1.25	.282	3.86	8.10
11	Guardians	251.85	66	3.82	65	.504	131	.496	131	1,043	11	3	25	1184.0	1,062	502	551	151	491	45	55	5,035	35	7.93	3.73	2.12	1.15	20.7	9.8	1.31	.276	4.19	8.07
12	Twins	234.87	59	3.98	36	.621	95	.379	95	584	12	3	18	852.1	883	377	431	102	279	24	27	3,678	32	6.17	2.95	2.09	1.08	15.9	7.6	1.36	.290	4.55	9.32
13	Tigers	231.46	69	3.35	65	.515	135	.485	135	963	37	4	23	1210.0	1,087	451	524	89	374	50	31	5,065	41	7.16	2.78	2.57	0.66	19.0	7.4	1.21	.278	3.90	8.09
14	Pirates	210.4	54	3.90	43	.557	97	.443	97	523	23	2	19	854.2	812	370	416	79	299	25	36	3,647	24	5.51	3.15	1.75	0.83	14.3	8.2	1.30	.269	4.38	8.55
15	Blue Jays	176.4	44	4.01	41	.518	85	.482	85	682	2	0	15	770.0	678	343	368	91	304	23	31	3,250	30	7.97	3.55	2.24	1.06	21.0	9.4	1.28	.273	4.30	7.92
16	Reds	166.85	50	3.34	49	.505	99	.495	99	566	15	3	20	890.0	782	330	366	82	336	20	48	3,743	23	5.72	3.40	1.68	0.83	15.1	9.0	1.26	.256	3.70	7.91
17	Angels	164.58	37	4.45	27	.578	64	.422	64	426	3	0	14	576.2	559	285	331	69	254	24	30	2,513	27	6.65	3.96	1.68	1.08	17.0	10.1	1.41	.282	5.17	8.72
18	Mets	157.01	46	3.41	59	.438	105	.562	105	818	9	3	26	970.1	829	368	399	89	391	35	54	4,106	24	7.59	3.63	2.09	0.83	19.9	9.5	1.26	.267	3.70	7.69
19	Padres	154.89	37	4.19	25	.597	62	.403	62	504	1	1	15	535.1	494	249	269	70	219	31	26	2,293	23	8.47	3.68	2.30	1.18	22.0	9.6	1.33	.289	4.52	8.31
20	Brewers	151.54	38	3.99	25	.603	63	.397	63	497	2	1	15	550.2	513	244	270	68	203	18	20	2,340	20	8.12	3.32	2.45	1.11	21.2	8.7	1.30	.286	4.41	8.38
21	Rays	143.24	36	3.98	28	.563	64	.438	64	548	0	0	11	570.0	551	252	269	91	222	27	14	2,457	31	8.65	3.51	2.47	1.44	22.3	9.0	1.36	.293	4.25	8.70
22	Rangers	138.9	35	3.97	34	.507	69	.493	69	539	3	0	15	623.2	565	275	304	87	237	25	24	2,647	18	7.78	3.42	2.27	1.26	20.4	9.0	1.29	.272	4.39	8.15
23	Orioles	137.14	49	2.80	54	.476	103	.524	103	732	26	8	16	939.0	794	292	333	90	327	23	43	3,878	23	7.02	3.13	2.24	0.86	18.9	8.4	1.19	.260	3.19	7.61
24	Royals	124.76	37	3.37	43	.463	80	.538	80	518	9	2	18	720.2	668	270	295	63	237	14	17	3,014	19	6.47	2.96	2.19	0.79	17.2	7.9	1.26	.277	3.68	8.34
25	Mariners	124.05	28	4.43	23	.549	51	.451	51	384	1	0	10	473.1	453	233	247	67	199	22	18	2,042	18	7.30	3.78	1.93	1.27	18.8	9.7	1.38	.282	4.70	8.61