highest w% by a player in the world series when having 20

50 pitchers are tied for the best career win percentage in the World Series, at 1.000. The first three are Yoshinobu Yamamoto, Clay Holmes and Andrew Heaney.

	NAME	W%	SERIES	W	L	G	GS	ERA	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	Yoshinobu Yamamoto Y. Yamamoto	1.000	World Series	1	0	1	1	1.42	4	0	0	0	6.1	1	1	1	1	2	0	0	0	22	0	5.68	2.84	2.00	1.42	18.2	9.1	0.47	.000	1.42	1.42
2	Clay Holmes C. Holmes	1.000	World Series	1	0	5	0	0.00	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
3	Andrew Heaney A. Heaney	1.000	World Series	1	0	2	1	1.59	3	0	0	0	5.2	5	1	1	0	2	0	0	0	23	0	4.76	3.18	1.50	0.00	13.0	8.7	1.24	.278	1.59	7.94
4	Merrill Kelly M. Kelly	1.000	World Series	1	0	1	1	1.29	9	0	0	0	7.0	3	1	1	1	0	0	0	0	24	0	11.57	0.00		1.29	37.5	0.0	0.43	.143	1.29	3.86
5	Jon Gray J. Gray	1.000	World Series	1	0	2	0	0.00	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
6	José Leclerc J. Leclerc	1.000	World Series	1	0	3	0	0.00	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
7	Seranthony Domínguez S. Domínguez	1.000	World Series	1	0	3	0	3.00	3	0	0	0	3.0	4	1	1	0	1	0	0	0	14	1	9.00	3.00	3.00	0.00	21.4	7.1	1.67	.400	3.00	12.00
8	Ranger Suárez R. Suárez	1.000	World Series	1	0	2	1	0.00	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
9	Ian Anderson I. Anderson	1.000	World Series	1	0	1	1	0.00	4	0	0	0	5.0	0	0	0	0	3	1	0	0	18	0	7.20	5.40	1.33	0.00	22.2	16.7	0.60	.000	0.00	0.00
10	Tyler Matzek T. Matzek	1.000	World Series	1	0	4	0	1.69	7	0	0	0	5.1	6	1	1	0	0	0	0	0	21	0	11.81	0.00		0.00	33.3	0.0	1.13	.429	1.69	10.13
11	Blake Treinen B. Treinen	1.000	World Series	2	0	6	0	5.14	12	0	0	1	7.0	7	4	4	0	3	1	2	1	32	1	15.43	3.86	4.00	0.00	37.5	9.4	1.43	.438	5.14	9.00
12	John Curtiss J. Curtiss	1.000	World Series	1	0	3	0	2.70	3	0	0	0	3.1	4	1	1	1	1	0	2	0	15	0	8.10	2.70	3.00	2.70	20.0	6.7	1.50	.300	2.70	10.80
13	Victor González V. González	1.000	World Series	1	0	4	0	2.45	3	0	0	0	3.2	2	1	1	0	2	0	0	0	14	1	7.36	4.91	1.50	0.00	21.4	14.3	1.09	.222	2.45	4.91
14	José Urquidy J. Urquidy	1.000	World Series	3	0	5	2	1.23	15	0	0	0	14.2	11	2	2	1	1	0	2	0	56	2	9.20	0.61	15.00	0.61	26.8	1.8	0.82	.256	1.23	6.75
15	Josh James J. James	1.000	World Series	1	0	3	0	10.80	5	0	0	0	1.2	2	2	4	1	3	0	0	0	11	0	27.00	16.20	1.67	5.40	45.5	27.3	3.00	.500	21.60	10.80
16	Stephen Strasburg S. Strasburg	1.000	World Series	2	0	2	2	2.51	14	0	0	0	14.1	12	4	4	2	3	0	0	1	58	1	8.79	1.88	4.67	1.26	24.1	5.2	1.05	.256	2.51	7.53
17	Walker Buehler W. Buehler	1.000	World Series	2	0	4	3	0.47	24	0	0	1	19.0	7	1	1	0	3	0	1	0	64	0	11.37	1.42	8.00	0.00	37.5	4.7	0.53	.189	0.47	3.32
18	Matt Barnes M. Barnes	1.000	World Series	1	0	3	0	0.00	4	0	0	0	2.1	2	0	0	0	1	0	0	0	10	1	15.43	3.86	4.00	0.00	40.0	10.0	1.29	.400	0.00	7.71
19	Alex Wood A. Wood	1.000	World Series	1	0	7	1	1.93	13	0	0	0	14.0	6	3	3	2	4	0	3	1	50	0	8.36	2.57	3.25	1.29	26.0	8.0	0.71	.129	1.93	3.86
20	Joe Musgrove J. Musgrove	1.000	World Series	1	0	4	0	6.75	2	0	0	0	4.0	3	3	3	2	1	0	2	1	16	0	4.50	2.25	2.00	4.50	12.5	6.3	1.00	.091	6.75	6.75
21	Tony Watson T. Watson	1.000	World Series	2	0	5	0	0.00	1	0	0	0	3.2	2	0	1	0	1	1	0	0	14	0	2.45	2.45	1.00	0.00	7.1	7.1	0.82	.182	2.45	4.91
22	Chris Devenski C. Devenski	1.000	World Series	1	0	8	0	7.88	8	0	0	0	8.0	7	7	7	3	2	1	5	0	34	0	9.00	2.25	4.00	3.38	23.5	5.9	1.13	.200	7.88	7.88
23	Jake Arrieta J. Arrieta	1.000	World Series	2	0	2	2	2.38	15	0	0	0	11.1	5	3	3	1	6	1	0	0	46	1	11.91	4.76	2.50	0.79	32.6	13.0	0.97	.174	2.38	3.97
24	Aroldis Chapman A. Chapman	1.000	World Series	1	0	7	0	3.86	13	0	0	1	9.1	7	4	4	1	3	1	3	0	37	0	12.54	2.89	4.33	0.96	35.1	8.1	1.07	.316	3.86	6.75
25	Corey Kluber C. Kluber	1.000	World Series	2	0	3	3	2.81	15	0	0	0	16.0	15	5	5	2	1	2	0	0	64	0	8.44	0.56	15.00	1.13	23.4	1.6	1.00	.295	2.81	8.44