50 pitchers are tied for allowing the fewest career walks in the World Series, with 0 allowed. The first three are Tim Mayza, Carlos Rodón and Brock Burke.

Interpreted as:

fewest walks allowed by a player in world series

	NAME	BB	SERIES	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	HBP	GF	IBB	TBF	WP	K/9	BB/9	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Tim Mayza T. Mayza	0	World Series	1	0	0		0	0.00	0	0	0	0	1.0	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	Carlos Rodón C. Rodón	0	World Series	1	0	1	.000	1	10.80	3	0	0	0	3.1	6	4	4	3	0	0	0	16	0	8.10	0.00	8.10	18.8	0.0	1.80	.300	10.80	16.20
3	Brock Burke B. Burke	0	World Series	1	0	0		0	81.00	0	0	0	0	0.1	3	3	3	0	0	0	0	4	0	0.00	0.00	0.00	0.0	0.0	9.00	.750	81.00	81.00
4	Ryne Nelson R. Nelson	0	World Series	1	0	0		0	1.69	6	0	0	0	5.1	3	1	1	1	0	0	0	19	0	10.13	0.00	1.69	31.6	0.0	0.56	.167	1.69	5.06
5	Josh Sborz J. Sborz	0	World Series	2	0	0		0	0.00	6	0	0	1	3.1	2	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
6	Merrill Kelly M. Kelly	0	World Series	1	1	0	1.000	1	1.29	9	0	0	0	7.0	3	1	1	1	0	0	0	24	0	11.57	0.00	1.29	37.5	0.0	0.43	.143	1.29	3.86
7	Chris Stratton C. Stratton	0	World Series	2	0	0		0	13.50	1	0	0	0	1.1	2	2	2	1	0	0	0	6	0	6.75	0.00	6.75	16.7	0.0	1.50	.250	13.50	13.50
8	Andrew Saalfrank A. Saalfrank	0	World Series	3	0	0		0	0.00	0	0	0	0	2.1	1	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
9	Jon Gray J. Gray	0	World Series	2	1	0	1.000	0	0.00	7	0	0	0	4.2	2	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
10	José Leclerc J. Leclerc	0	World Series	3	1	0	1.000	0	0.00	4	0	0	1	3.1	1	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
11	Cody Bradford C. Bradford	0	World Series	2	0	0		0	0.00	1	0	0	0	2.0	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
12	Kyle Gibson K. Gibson	0	World Series	1	0	0		0	0.00	1	0	0	0	1.0	1	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
13	Andrew Bellatti A. Bellatti	0	World Series	3	0	0		0	0.00	3	0	0	0	3.0	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
14	Connor Brogdon C. Brogdon	0	World Series	3	0	0		0	0.00	7	0	0	0	4.0	3	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
15	Brad Hand B. Hand	0	World Series	2	0	0		0	0.00	1	0	0	0	2.0	1	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
16	Héctor Neris H. Neris	0	World Series	3	0	0		0	0.00	4	0	0	0	2.0	1	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
17	Chris Martin C. Martin	0	World Series	2	0	0		0	0.00	2	0	0	0	2.1	1	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
18	Kendall Graveman K. Graveman	0	World Series	3	0	0		0	2.25	5	0	0	0	4.0	2	1	1	1	0	3	0	14	0	11.25	0.00	2.25	35.7	0.0	0.50	.125	2.25	4.50
19	Luke Jackson L. Jackson	0	World Series	3	0	0		0	0.00	4	0	0	0	3.2	1	0	0	0	0	0	0	12	0	9.82	0.00	0.00	33.3	0.0	0.27	.125	0.00	2.45
20	Tyler Matzek T. Matzek	0	World Series	4	1	0	1.000	0	1.69	7	0	0	0	5.1	6	1	1	0	0	0	0	21	0	11.81	0.00	0.00	33.3	0.0	1.13	.429	1.69	10.13
21	Jake Odorizzi J. Odorizzi	0	World Series	1	0	0		0	0.00	5	0	0	0	2.1	1	0	0	0	0	0	0	9	0	19.29	0.00	0.00	55.6	0.0	0.43	.250	0.00	3.86
22	Shane McClanahan S. McClanahan	0	World Series	1	0	0		0	0.00	0	0	0	0	1.0	1	0	0	0	0	1	0	4	0	0.00	0.00	0.00	0.0	0.0	1.00	.250	0.00	9.00
23	Dustin May D. May	0	World Series	2	0	0		0	9.00	3	0	0	0	3.0	5	3	3	1	0	0	0	14	0	9.00	0.00	3.00	21.4	0.0	1.67	.400	9.00	15.00
24	Wander Suero W. Suero	0	World Series	3	0	0		0	0.00	2	0	0	0	1.2	0	0	0	0	0	2	0	5	0	10.80	0.00	0.00	40.0	0.0	0.00	.000	0.00	0.00
25	Javy Guerra J. Guerra	0	World Series	2	0	0		0	3.00	1	0	0	0	3.0	6	1	1	1	0	2	0	15	0	3.00	0.00	3.00	6.7	0.0	2.00	.385	3.00	18.00