Andy Pettitte has pitched the most career innings in the postseason, with 276.2 innings.

	NAME	IP	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	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	276.2	44	19	11	.633	44	3.81	183	0	0	0	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
2	Justin Verlander J. Verlander	226.0	38	17	12	.586	37	3.58	244	2	1	0	179	90	93	32	74	5	0	0	920	8	9.72	2.95	3.30	1.27	26.5	8.0	1.12	.260	3.70	7.13
3	Tom Glavine T. Glavine	218.1	35	14	16	.467	35	3.30	143	3	0	0	191	80	91	21	87	7	0	11	912	3	5.89	3.59	1.64	0.87	15.7	9.5	1.27	.260	3.75	7.87
4	John Smoltz J. Smoltz	209.0	41	15	4	.789	27	2.67	199	2	1	4	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
5	Roger Clemens R. Clemens	199.0	35	12	8	.600	34	3.75	173	1	1	0	173	83	87	17	70	6	1	1	837	10	7.82	3.17	2.47	0.77	20.7	8.4	1.22	.273	3.93	7.82
6	Greg Maddux G. Maddux	198.0	35	11	14	.440	30	3.27	125	2	0	1	195	72	97	14	51	9	2	16	836	4	5.68	2.32	2.45	0.64	15.0	6.1	1.24	.284	4.41	8.86
7	Clayton Kershaw C. Kershaw	194.1	39	13	13	.500	32	4.49	213	0	0	1	165	97	102	30	51	4	2	5	788	11	9.86	2.36	4.18	1.39	27.0	6.5	1.11	.276	4.72	7.64
8	Jon Lester J. Lester	154.0	26	9	7	.563	22	2.51	133	0	0	0	117	43	46	15	40	3	2	0	610	4	7.77	2.34	3.33	0.88	21.8	6.6	1.02	.243	2.69	6.84
9	Whitey Ford W. Ford	146.0	22	10	8	.556	22	2.71	94	7	3	0	132	44	51	8	34	3	0	2	594	4	5.79	2.10	2.76	0.49	15.8	5.7	1.14	.273	3.14	8.14
10	John Lackey J. Lackey	144.0	29	8	6	.571	23	3.44	114	0	0	0	135	55	58	7	47	4	2	6	601	10	7.13	2.94	2.43	0.44	19.0	7.8	1.26	.298	3.63	8.44
11	Max Scherzer M. Scherzer	143.0	30	7	8	.467	25	3.78	171	0	0	1	109	60	63	20	56	9	1	4	594	8	10.76	3.52	3.05	1.26	28.8	9.4	1.15	.263	3.97	6.86
12	Mariano Rivera M. Rivera	141.0	96	8	1	.889	0	0.70	110	0	0	42	86	11	13	2	21	3	78	4	527	3	7.02	1.34	5.24	0.13	20.9	4.0	0.76	.215	0.83	5.49
13	Mike Mussina M. Mussina	139.2	23	7	8	.467	21	3.42	145	0	0	0	121	53	56	19	33	3	0	7	571	2	9.34	2.13	4.39	1.22	25.4	5.8	1.10	.275	3.61	7.80
14	Gerrit Cole G. Cole	133.1	22	11	6	.647	22	2.77	156	0	0	0	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
15	Curt Schilling C. Schilling	133.1	19	11	2	.846	19	2.23	120	4	2	0	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
16	Dave Stewart D. Stewart	133.0	22	10	6	.625	18	2.84	73	3	1	0	99	42	45	13	48	4	3	1	539	4	4.94	3.25	1.52	0.88	13.5	8.9	1.11	.214	3.05	6.70
17	Catfish Hunter C. Hunter	132.1	22	9	6	.600	19	3.26	70	4	1	1	114	48	49	21	35	1	2	6	536	2	4.76	2.38	2.00	1.43	13.1	6.5	1.13	.227	3.33	7.75
18	Orel Hershiser O. Hershiser	132.0	22	8	3	.727	18	2.59	97	4	2	1	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
19	CC Sabathia	130.1	26	10	7	.588	23	4.28	121	1	0	0	137	62	67	15	63	8	0	9	586	5	8.36	4.35	1.92	1.04	20.6	10.8	1.53	.322	4.63	9.46
20	David Wells D. Wells	125.0	27	10	5	.667	17	3.17	83	1	0	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
21	Jim Palmer J. Palmer	124.1	17	8	3	.727	15	2.61	90	6	2	0	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
22	Randy Johnson R. Johnson	121.0	19	7	9	.438	16	3.50	132	3	2	0	106	47	51	15	32	0	2	2	493	0	9.82	2.38	4.13	1.12	26.8	6.5	1.14	.290	3.79	7.88
23	Adam Wainwright A. Wainwright	114.1	29	4	5	.444	16	2.83	123	1	0	4	105	36	39	11	22	2	9	1	464	4	9.68	1.73	5.59	0.87	26.5	4.7	1.11	.307	3.07	8.27
24	Zack Greinke Z. Greinke	113.0	22	4	6	.400	21	4.14	100	0	0	0	103	52	55	19	33	3	0	0	469	2	7.96	2.63	3.03	1.51	21.3	7.0	1.20	.268	4.38	8.20
25	David Cone D. Cone	111.1	21	8	3	.727	18	3.80	94	1	0	0	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