50 pitchers are tied for the best career ERA in the World Series, with an ERA of 0.00. The first three are Tim Mayza, Tim Hill and Mark Leiter Jr..

	NAME	ERA	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	Tim Mayza T. Mayza	0.00	World Series	1	0	0		0	0	0	0	0	1.0	0	0	0	0	0	0	1	0	3	0	0.00	0.00		0.00	0.0	0.0	0.00	.000	0.00	0.00
2	Tim Hill T. Hill	0.00	World Series	3	0	0		0	1	0	0	0	2.2	1	0	0	0	1	0	0	0	10	0	3.38	3.38	1.00	0.00	10.0	10.0	0.75	.125	0.00	3.38
3	Mark Leiter Jr. M. Leiter Jr.	0.00	World Series	4	0	0		0	3	0	0	0	3.0	1	0	0	0	2	0	2	0	12	0	9.00	6.00	1.50	0.00	25.0	16.7	1.00	.143	0.00	3.00
4	Anthony Banda A. Banda	0.00	World Series	4	0	0		0	4	0	0	0	2.1	2	0	0	0	4	1	0	1	14	1	15.43	15.43	1.00	0.00	28.6	28.6	2.57	.400	0.00	7.71
5	Clay Holmes C. Holmes	0.00	World Series	5	1	0	1.000	0	6	0	0	0	4.1	1	0	0	0	2	1	0	0	16	0	12.46	4.15	3.00	0.00	37.5	12.5	0.69	.143	0.00	2.08
6	Luke Weaver L. Weaver	0.00	World Series	4	0	0		0	4	0	0	0	5.0	1	0	0	0	1	1	1	0	18	0	7.20	1.80	4.00	0.00	22.2	5.6	0.40	.083	0.00	1.80
7	Alex Vesia A. Vesia	0.00	World Series	4	0	0		0	2	0	0	1	2.2	1	0	0	0	1	1	1	0	11	0	6.75	3.38	2.00	0.00	18.2	9.1	0.75	.143	0.00	3.38
8	Josh Sborz J. Sborz	0.00	World Series	2	0	0		0	6	0	0	1	3.1	2	0	0	0	0	0	1	0	12	0	16.20	0.00		0.00	50.0	0.0	0.60	.333	0.00	5.40
9	Andrew Saalfrank A. Saalfrank	0.00	World Series	3	0	0		0	0	0	0	0	2.1	1	0	0	0	0	1	2	0	8	0	0.00	0.00		0.00	0.0	0.0	0.43	.143	0.00	3.86
10	Luis Frías L. Frías	0.00	World Series	3	0	0		0	5	0	0	0	3.0	2	0	3	1	2	0	1	0	14	0	15.00	6.00	2.50	3.00	35.7	14.3	1.33	.167	9.00	6.00
11	Dane Dunning D. Dunning	0.00	World Series	3	0	0		0	0	0	0	0	2.1	3	0	0	0	1	0	0	0	10	0	0.00	3.86	0.00	0.00	0.0	10.0	1.71	.333	0.00	11.57
12	Kevin Ginkel K. Ginkel	0.00	World Series	2	0	0		0	2	0	0	0	2.2	2	0	0	0	3	0	0	0	13	1	6.75	10.13	0.67	0.00	15.4	23.1	1.88	.250	0.00	6.75
13	Jon Gray J. Gray	0.00	World Series	2	1	0	1.000	0	7	0	0	0	4.2	2	0	0	0	0	0	0	0	16	0	13.50	0.00		0.00	43.8	0.0	0.43	.222	0.00	3.86
14	José Leclerc J. Leclerc	0.00	World Series	3	1	0	1.000	0	4	0	0	1	3.1	1	0	0	0	0	0	3	0	11	0	10.80	0.00		0.00	36.4	0.0	0.30	.143	0.00	2.70
15	Cody Bradford C. Bradford	0.00	World Series	2	0	0		0	1	0	0	0	2.0	0	0	0	0	0	0	0	0	6	0	4.50	0.00		0.00	16.7	0.0	0.00	.000	0.00	0.00
16	Kyle Gibson K. Gibson	0.00	World Series	1	0	0		0	1	0	0	0	1.0	1	0	0	0	0	0	0	0	4	0	9.00	0.00		0.00	25.0	0.0	1.00	.333	0.00	9.00
17	Nick Nelson N. Nelson	0.00	World Series	1	0	0		0	0	0	0	0	1.0	0	0	0	0	2	0	0	0	5	0	0.00	18.00	0.00	0.00	0.0	40.0	2.00	.000	0.00	0.00
18	Andrew Bellatti A. Bellatti	0.00	World Series	3	0	0		0	3	0	0	0	3.0	0	0	0	0	0	0	1	0	9	0	9.00	0.00		0.00	33.3	0.0	0.00	.000	0.00	0.00
19	Connor Brogdon C. Brogdon	0.00	World Series	3	0	0		0	7	0	0	0	4.0	3	0	0	0	0	0	0	0	14	0	15.75	0.00		0.00	50.0	0.0	0.75	.429	0.00	6.75
20	Brad Hand B. Hand	0.00	World Series	2	0	0		0	1	0	0	0	2.0	1	0	0	0	0	0	2	0	7	0	4.50	0.00		0.00	14.3	0.0	0.50	.167	0.00	4.50
21	Bryan Abreu B. Abreu	0.00	World Series	4	0	0		0	9	0	0	0	5.0	1	0	0	0	2	1	0	0	19	0	16.20	3.60	4.50	0.00	47.4	10.5	0.60	.143	0.00	1.80
22	Zach Eflin Z. Eflin	0.00	World Series	4	0	0		0	6	0	0	0	4.1	4	0	0	0	1	0	1	0	17	0	12.46	2.08	6.00	0.00	35.3	5.9	1.15	.400	0.00	8.31
23	Héctor Neris H. Neris	0.00	World Series	3	0	0		0	4	0	0	0	2.0	1	0	0	0	0	0	0	0	7	0	18.00	0.00		0.00	57.1	0.0	0.50	.333	0.00	4.50
24	Ranger Suárez R. Suárez	0.00	World Series	2	1	0	1.000	1	5	0	0	0	5.2	4	0	0	0	1	0	0	0	22	0	7.94	1.59	5.00	0.00	22.7	4.5	0.88	.250	0.00	6.35
25	Chris Martin C. Martin	0.00	World Series	2	0	0		0	2	0	0	0	2.1	1	0	0	0	0	0	0	0	8	0	7.71	0.00		0.00	25.0	0.0	0.43	.167	0.00	3.86