Andy Pettitte has the most career wins in the postseason, with 19 wins.

	NAME	W	L	W%	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	Andy Pettitte A. Pettitte	19	0	1.000	19	19	1.94	97	0	0	0	134.2	103	29	30	11	31	0	0	0	520	2	6.48	2.07	3.13	0.74	18.7	6.0	1.00	.241	2.00	6.88
2	Justin Verlander J. Verlander	17	0	1.000	17	16	1.91	128	2	1	0	113.0	66	24	24	8	36	4	0	0	434	4	10.19	2.87	3.56	0.64	29.5	8.3	0.90	.225	1.91	5.26
3	John Smoltz J. Smoltz	15	0	1.000	15	13	1.88	83	2	1	0	100.1	74	21	22	7	30	1	2	2	402	3	7.45	2.69	2.77	0.63	20.6	7.5	1.04	.238	1.97	6.64
4	Tom Glavine T. Glavine	14	0	1.000	14	14	1.29	61	1	0	0	97.2	60	14	14	3	31	0	0	0	370	2	5.62	2.86	1.97	0.28	16.5	8.4	0.93	.207	1.29	5.53
5	Clayton Kershaw C. Kershaw	13	0	1.000	13	13	1.88	101	0	0	0	86.0	48	18	18	10	16	1	0	0	316	1	10.57	1.67	6.31	1.05	32.0	5.1	0.74	.202	1.88	5.02
6	Roger Clemens R. Clemens	12	0	1.000	12	11	1.32	74	1	1	0	81.2	44	12	13	4	22	4	1	0	314	4	8.16	2.42	3.36	0.44	23.6	7.0	0.81	.190	1.43	4.85
7	Gerrit Cole G. Cole	11	0	1.000	11	11	1.54	99	0	0	0	76.0	46	13	13	9	15	1	0	1	286	1	11.72	1.78	6.60	1.07	34.6	5.2	0.80	.228	1.54	5.45
8	Curt Schilling C. Schilling	11	0	1.000	11	11	0.99	69	4	2	0	82.0	54	9	11	5	14	2	0	0	314	0	7.57	1.54	4.93	0.55	22.0	4.5	0.83	.219	1.21	5.93
9	Greg Maddux G. Maddux	11	0	1.000	11	11	1.52	54	2	0	0	82.2	63	14	18	4	8	3	0	1	314	1	5.88	0.87	6.75	0.44	17.2	2.5	0.86	.241	1.96	6.86
10	Chris Carpenter C. Carpenter	10	0	1.000	10	10	1.61	41	1	1	0	67.0	50	12	12	3	18	3	0	1	262	1	5.51	2.42	2.28	0.40	15.6	6.9	1.01	.239	1.61	6.72
11	CC Sabathia	10	0	1.000	10	10	2.08	63	1	0	0	69.1	58	16	18	5	24	2	0	2	286	1	8.18	3.12	2.63	0.65	22.0	8.4	1.18	.276	2.34	7.53
12	David Wells D. Wells	10	0	1.000	10	10	2.43	59	1	0	0	74.0	63	20	21	8	12	5	0	0	297	1	7.18	1.46	4.92	0.97	19.9	4.0	1.01	.258	2.55	7.66
13	Dave Stewart D. Stewart	10	0	1.000	10	10	1.86	45	2	1	0	77.1	50	16	16	6	21	1	0	0	299	2	5.24	2.44	2.14	0.70	15.1	7.0	0.92	.195	1.86	5.82
14	Whitey Ford W. Ford	10	0	1.000	10	10	0.96	50	7	3	0	84.2	60	9	14	2	20	3	0	0	328	1	5.31	2.13	2.50	0.21	15.2	6.1	0.94	.229	1.49	6.38
15	Nathan Eovaldi N. Eovaldi	9	0	1.000	9	9	2.26	53	0	0	0	55.2	45	14	14	3	12	1	0	1	225	0	8.57	1.94	4.42	0.49	23.6	5.3	1.02	.269	2.26	7.28
16	Jon Lester J. Lester	9	0	1.000	9	9	1.16	51	0	0	0	62.0	42	8	9	4	12	0	0	0	234	0	7.40	1.74	4.25	0.58	21.8	5.1	0.87	.228	1.31	6.10
17	Orlando Hernandez O. Hernandez	9	0	1.000	9	9	1.98	59	0	0	0	63.2	42	14	14	5	32	2	0	2	258	1	8.34	4.52	1.84	0.71	22.9	12.4	1.16	.231	1.98	5.94
18	Catfish Hunter C. Hunter	9	0	1.000	9	8	1.38	31	2	1	0	65.1	42	10	10	2	15	1	0	2	248	1	4.27	2.07	2.07	0.28	12.5	6.0	0.87	.201	1.38	5.79
19	Julio Urías J. Urías	8	0	1.000	8	3	1.55	29	0	0	0	29.0	16	5	6	2	6	0	2	0	108	0	9.00	1.86	4.83	0.62	26.9	5.6	0.76	.197	1.86	4.97
20	Madison Bumgarner M. Bumgarner	8	0	1.000	8	8	0.43	55	3	3	0	62.2	30	3	3	2	10	3	0	1	227	0	7.90	1.44	5.50	0.29	24.2	4.4	0.64	.178	0.43	4.31
21	John Lackey J. Lackey	8	0	1.000	8	8	1.20	47	0	0	0	52.1	38	7	7	0	8	1	0	0	200	3	8.08	1.38	5.88	0.00	23.5	4.0	0.88	.264	1.20	6.54
22	Mariano Rivera M. Rivera	8	0	1.000	8	0	0.00	14	0	0	0	16.1	10	0	0	0	0	0	8	0	57	0	7.71	0.00		0.00	24.6	0.0	0.61	.233	0.00	5.51
23	David Cone D. Cone	8	0	1.000	8	8	2.26	47	1	0	0	55.2	37	14	14	4	28	0	0	0	227	1	7.60	4.53	1.68	0.65	20.7	12.3	1.17	.223	2.26	5.98
24	Orel Hershiser O. Hershiser	8	0	1.000	8	8	0.96	54	4	2	0	65.1	37	7	9	2	19	3	0	2	253	5	7.44	2.62	2.84	0.28	21.3	7.5	0.86	.200	1.24	5.10
25	Jim Palmer J. Palmer	8	0	1.000	8	7	1.70	55	5	2	0	63.2	47	12	12	5	30	0	0	2	266	5	7.77	4.24	1.83	0.71	20.7	11.3	1.21	.239	1.70	6.64