which pitcher has the best winning percentage in the playoffs with at least 10 games started

Curt Schilling has the highest career win percentage in the postseason when starting 10+ games, at .846.

	NAME	W%	GS	W	L	G	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	Curt Schilling C. Schilling	.846	19	11	2	19	2.23	120	4	2	0	133.1	104	33	37	12	25	3	0	0	525	1	8.10	1.69	4.80	0.81	22.9	4.8	0.97	.252	2.50	7.02
2	John Smoltz J. Smoltz	.789	27	15	4	41	2.67	199	2	1	4	209.0	172	62	67	17	67	3	11	6	856	6	8.57	2.89	2.97	0.73	23.2	7.8	1.14	.272	2.89	7.41
3	Red Ruffing R. Ruffing	.778	10	7	2	10	2.63	61	8	0	0	85.2	74	25	32	4	27	0	0	2	352	0	6.41	2.84	2.26	0.42	17.3	7.7	1.18	.269	3.36	7.77
4	Nathan Eovaldi N. Eovaldi	.750	12	9	3	17	3.05	82	0	0	0	79.2	65	27	28	6	18	1	1	3	325	0	9.26	2.03	4.56	0.68	25.2	5.5	1.04	.271	3.16	7.34
5	Orlando Hernandez O. Hernandez	.750	14	9	3	19	2.55	107	0	0	0	106.0	77	30	32	10	55	4	0	3	443	1	9.08	4.67	1.95	0.85	24.2	12.4	1.25	.251	2.72	6.54
6	Madison Bumgarner M. Bumgarner	.727	14	8	3	16	2.11	87	3	3	1	102.1	74	24	25	8	18	5	1	2	398	0	7.65	1.58	4.83	0.70	21.9	4.5	0.90	.236	2.20	6.51
7	David Cone D. Cone	.727	18	8	3	21	3.80	94	1	0	0	111.1	93	47	52	12	58	2	2	1	480	6	7.60	4.69	1.62	0.97	19.6	12.1	1.36	.258	4.20	7.52
8	Orel Hershiser O. Hershiser	.727	18	8	3	22	2.59	97	4	2	1	132.0	103	38	43	8	43	6	2	5	533	6	6.61	2.93	2.26	0.55	18.2	8.1	1.11	.251	2.93	7.02
9	Jim Palmer J. Palmer	.727	15	8	3	17	2.61	90	6	2	0	124.1	101	36	36	10	50	2	1	4	518	6	6.51	3.62	1.80	0.72	17.4	9.7	1.21	.249	2.61	7.31
10	Chris Carpenter C. Carpenter	.714	18	10	4	18	3.00	68	1	1	0	108.0	104	36	43	11	36	6	0	2	461	1	5.67	3.00	1.89	0.92	14.8	7.8	1.30	.274	3.58	8.67
11	Roy Oswalt R. Oswalt	.714	11	5	2	13	3.73	56	0	0	0	72.1	73	30	32	9	24	6	2	0	314	1	6.97	2.99	2.33	1.12	17.8	7.6	1.34	.292	3.98	9.08
12	Ron Guidry R. Guidry	.714	10	5	2	10	3.02	51	3	0	0	62.2	52	21	21	5	25	0	0	1	256	1	7.32	3.59	2.04	0.72	19.9	9.8	1.23	.269	3.02	7.47
13	Cliff Lee C. Lee	.700	11	7	3	11	2.52	89	3	0	0	82.0	66	23	27	2	10	1	0	0	320	2	9.77	1.10	8.90	0.22	27.8	3.1	0.93	.294	2.96	7.24
14	Josh Beckett J. Beckett	.700	13	7	3	14	3.07	99	3	3	0	93.2	67	32	32	11	21	4	0	1	366	3	9.51	2.02	4.71	1.06	27.0	5.7	0.94	.242	3.07	6.44
15	Livan Hernandez L. Hernandez	.700	10	7	3	12	3.97	47	1	0	0	68.0	67	30	32	6	36	4	0	3	305	1	6.22	4.76	1.31	0.79	15.4	11.8	1.51	.288	4.24	8.87
16	Freddy Garcia F. Garcia	.667	11	6	3	11	3.26	57	1	0	0	66.1	65	24	26	8	24	2	0	2	279	1	7.73	3.26	2.38	1.09	20.4	8.6	1.34	.303	3.53	8.82
17	Barry Zito B. Zito	.667	10	6	3	10	2.83	46	0	0	0	60.1	50	19	19	7	23	3	0	1	252	1	6.86	3.43	2.00	1.04	18.3	9.1	1.21	.249	2.83	7.46
18	David Wells D. Wells	.667	17	10	5	27	3.17	83	1	0	0	125.0	116	44	49	12	25	7	2	2	508	1	5.98	1.80	3.32	0.86	16.3	4.9	1.13	.273	3.53	8.35
19	Burt Hooton B. Hooton	.667	11	6	3	11	3.17	33	1	0	0	59.2	55	21	24	4	27	1	0	3	257	1	4.98	4.07	1.22	0.60	12.8	10.5	1.37	.266	3.62	8.30
20	Tommy John T. John	.667	13	6	3	14	2.65	48	3	1	0	88.1	82	26	36	6	24	4	1	1	367	4	4.89	2.45	2.00	0.61	13.1	6.5	1.20	.267	3.67	8.35
21	Gerrit Cole G. Cole	.647	22	11	6	22	2.77	156	0	0	0	133.1	100	41	50	19	36	3	0	1	537	1	10.53	2.43	4.33	1.28	29.1	6.7	1.02	.251	3.38	6.75
22	Jack Morris J. Morris	.636	13	7	4	13	3.80	64	5	1	0	92.1	83	39	39	9	32	0	0	3	381	8	6.24	3.12	2.00	0.88	16.8	8.4	1.25	.268	3.80	8.09
23	Dave McNally D. McNally	.636	12	7	4	14	2.49	65	6	2	0	90.1	65	25	30	12	34	1	2	2	364	5	6.48	3.39	1.91	1.20	17.9	9.3	1.10	.210	2.99	6.48
24	Andy Pettitte A. Pettitte	.633	44	19	11	44	3.81	183	0	0	0	276.2	285	117	121	31	76	3	0	4	1,157	4	5.95	2.47	2.41	1.01	15.8	6.6	1.30	.294	3.94	9.27
25	Blake Snell B. Snell	.625	11	5	3	13	3.23	70	0	0	1	55.2	42	20	20	7	24	0	1	0	227	3	11.32	3.88	2.92	1.13	30.8	10.6	1.19	.278	3.23	6.79