Pitchers had their highest ERA in a World Series, with an ERA of 6.66.

Interpreted as:

worst world series pitcher era in a season

	POSITION	ERA	SEASON	SERIES	G	W	L	W%	GS	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Pitcher	6.66	1993	World Series	44	6	6	.500	12	80	1	1	3	105.1	122	78	81	13	59	4	11	3	490	3	6.84	5.04	1.36	1.11	16.3	12.0	1.72	.326	6.92	10.42
2	Pitcher	6.04	1932	World Series	20	4	4	.500	8	50	3	0	2	70.0	82	47	56	11	34	4	5	4	330	1	6.43	4.37	1.47	1.41	15.2	10.3	1.66	.307	7.20	10.54
3	Pitcher	5.79	1989	World Series	32	4	4	.500	8	49	1	1	1	70.0	72	45	46	13	26	1	7	3	308	2	6.30	3.34	1.88	1.67	15.9	8.4	1.40	.269	5.91	9.26
4	Pitcher	5.65	2002	World Series	60	7	7	.500	14	88	0	0	5	121.0	142	76	85	21	53	3	14	14	549	2	6.55	3.94	1.66	1.56	16.0	9.7	1.61	.315	6.32	10.56
5	Pitcher	5.34	1960	World Series	48	7	7	.500	14	66	2	2	4	123.0	151	73	82	14	30	5	12	3	544	6	4.83	2.20	2.20	1.02	12.1	5.5	1.47	.319	6.00	11.05
6	Pitcher	5.13	1936	World Series	23	6	6	.500	12	68	6	0	2	107.0	115	61	66	11	47	1	6	2	476	4	5.72	3.95	1.45	0.93	14.3	9.9	1.51	.298	5.55	9.67
7	Pitcher	5.08	1997	World Series	59	7	7	.500	14	99	0	0	4	127.2	140	72	81	15	76	1	14	5	585	4	6.98	5.36	1.30	1.06	16.9	13.0	1.69	.317	5.71	9.87
8	Pitcher	5.01	2007	World Series	38	4	4	.500	8	56	0	0	3	70.0	76	39	39	6	29	3	8	3	311	0	7.20	3.73	1.93	0.77	18.0	9.3	1.50	.323	5.01	9.77
9	Pitcher	5.01	1970	World Series	30	5	5	.500	10	56	2	0	2	88.0	85	49	53	15	35	0	8	3	376	1	5.73	3.58	1.60	1.53	14.9	9.3	1.36	.259	5.42	8.69
10	Pitcher	4.97	2009	World Series	49	6	6	.500	12	106	1	0	3	105.0	93	58	59	17	44	7	11	4	449	2	9.09	3.77	2.41	1.46	23.6	9.8	1.30	.276	5.06	7.97
11	Pitcher	4.81	1947	World Series	46	7	7	.500	14	69	3	0	2	121.2	119	65	67	5	68	3	11	4	541	8	5.10	5.03	1.01	0.37	12.8	12.6	1.54	.288	4.96	8.80
12	Pitcher	4.70	1953	World Series	28	6	6	.500	12	73	4	0	2	103.1	120	54	60	17	40	6	8	4	466	2	6.36	3.48	1.83	1.48	15.7	8.6	1.55	.312	5.23	10.45
13	Pitcher	4.69	1987	World Series	44	7	7	.500	14	80	0	0	4	119.0	124	62	64	9	42	4	14	5	520	2	6.05	3.18	1.90	0.68	15.4	8.1	1.39	.299	4.84	9.38
14	Pitcher	4.60	1978	World Series	30	6	6	.500	12	71	2	0	1	105.2	120	54	59	9	36	2	10	1	461	4	6.05	3.07	1.97	0.77	15.4	7.8	1.48	.324	5.03	10.22
15	Pitcher	4.55	2017	World Series	70	7	7	.500	14	119	0	0	3	128.2	103	65	68	25	43	9	14	7	530	6	8.32	3.01	2.77	1.75	22.5	8.1	1.13	.234	4.76	7.20
16	Pitcher	4.51	2020	World Series	64	6	6	.500	12	131	0	0	3	105.2	93	53	54	21	41	1	12	3	441	8	11.16	3.49	3.20	1.79	29.7	9.3	1.27	.291	4.60	7.92
17	Pitcher	4.32	2024	World Series	60	5	5	.500	10	78	0	0	2	89.2	69	43	49	16	46	7	10	4	390	3	7.83	4.62	1.70	1.61	20.0	11.8	1.28	.218	4.92	6.93
18	Pitcher	4.31	1982	World Series	40	7	7	.500	14	54	2	1	4	121.0	131	58	72	9	39	1	12	5	528	7	4.02	2.90	1.38	0.67	10.2	7.4	1.40	.287	5.36	9.74
19	Pitcher	4.29	2019	World Series	62	7	7	.500	14	112	0	0	2	126.0	126	60	63	22	54	1	14	4	551	4	8.00	3.86	2.07	1.57	20.3	9.8	1.43	.287	4.50	9.00
20	Pitcher	4.25	2011	World Series	72	7	7	.500	14	98	0	0	3	125.0	116	59	68	17	67	5	14	12	552	4	7.06	4.82	1.46	1.22	17.8	12.1	1.46	.271	4.90	8.35
21	Pitcher	4.24	2004	World Series	35	4	4	.500	8	52	0	0	1	70.0	63	33	36	6	36	5	8	2	311	1	6.69	4.63	1.44	0.77	16.7	11.6	1.41	.269	4.63	8.10
22	Pitcher	4.24	1998	World Series	29	4	4	.500	8	58	0	0	3	70.0	75	33	39	9	32	1	8	3	310	1	7.46	4.11	1.81	1.16	18.7	10.3	1.53	.314	5.01	9.64
23	Pitcher	4.15	2023	World Series	50	5	5	.500	10	85	0	0	2	93.1	85	43	48	11	35	2	10	2	392	3	8.20	3.38	2.43	1.06	21.7	8.9	1.29	.286	4.63	8.20
24	Pitcher	4.14	2010	World Series	39	5	5	.500	10	74	0	0	2	87.0	71	40	41	10	26	3	10	1	355	2	7.66	2.69	2.85	1.03	20.8	7.3	1.11	.252	4.24	7.34
25	Pitcher	4.13	2014	World Series	58	7	7	.500	14	94	1	1	2	122.0	123	56	57	5	34	4	13	1	512	6	6.93	2.51	2.76	0.37	18.4	6.6	1.29	.315	4.20	9.07