Madison Bumgarner has pitched the most innings in a postseason, with 52.2 innings in 2014.

Interpreted as:

most innings pitched by a player in a postseason

	NAME	IP	SEASON	TM	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	Madison Bumgarner M. Bumgarner	52.2	2014	SFG	7	4	1	.800	6	1.03	45	2	2	1	28	6	7	3	6	2	1	0	195	0	7.69	1.03	7.50	0.51	23.1	3.1	0.65	.180	1.20	4.78
2	Curt Schilling C. Schilling	48.1	2001	ARI	6	4	0	1.000	6	1.12	56	3	1	0	25	6	6	3	6	1	0	0	176	0	10.43	1.12	9.33	0.56	31.8	3.4	0.64	.200	1.12	4.66
3	Deacon Phillippe D. Phillippe	44.0	1903	PIT	5	3	2	.600	5	3.07	22	5	0	0	38	15	19	0	3	1	0	0	178	1	4.50	0.61	7.33	0.00	12.4	1.7	0.93	.250	3.89	7.77
4	Josh Beckett J. Beckett	42.2	2003	FLA	6	2	2	.500	5	2.11	47	2	2	0	21	10	10	3	12	1	0	1	160	1	9.91	2.53	3.92	0.63	29.4	7.5	0.77	.186	2.11	4.43
5	Orel Hershiser O. Hershiser	42.2	1988	LAD	6	3	0	1.000	5	1.05	32	3	2	1	25	5	7	0	13	2	1	1	164	3	6.75	2.74	2.46	0.00	19.5	7.9	0.89	.214	1.48	5.27
6	Randy Johnson R. Johnson	41.1	2001	ARI	6	5	1	.833	5	1.52	47	2	2	0	25	7	7	2	8	0	1	0	156	0	10.23	1.74	5.88	0.44	30.1	5.1	0.80	.232	1.52	5.44
7	Fernando Valenzuela F. Valenzuela	40.2	1981	LAD	5	3	1	.750	5	2.21	26	2	0	0	29	10	10	2	15	0	0	4	159	1	5.75	3.32	1.73	0.44	16.4	9.4	1.08	.233	2.21	6.42
8	Cliff Lee C. Lee	40.1	2009	PHI	5	4	0	1.000	5	1.56	33	2	0	0	27	7	10	0	6	0	0	0	151	2	7.36	1.34	5.50	0.00	21.9	4.0	0.82	.241	2.23	6.02
9	Kevin Brown K. Brown	39.1	1998	SDP	6	2	2	.500	5	2.52	46	1	1	0	24	11	11	1	17	3	0	2	157	1	10.53	3.89	2.71	0.23	29.3	10.8	1.04	.256	2.52	5.49
10	John Smoltz J. Smoltz	38.0	1996	ATL	5	4	1	.800	5	0.95	33	0	0	0	22	4	5	0	13	0	0	0	148	2	7.82	3.08	2.54	0.00	22.3	8.8	0.92	.216	1.18	5.21
11	Greg Maddux G. Maddux	38.0	1995	ATL	5	3	1	.750	5	2.84	19	1	0	0	35	12	14	4	7	2	0	2	152	1	4.50	1.66	2.71	0.95	12.5	4.6	1.11	.258	3.32	8.29
12	Bruce Hurst B. Hurst	38.0	1986	BOS	5	3	0	1.000	5	2.13	25	2	0	0	36	9	10	4	7	0	0	0	152	0	5.92	1.66	3.57	0.95	16.4	4.6	1.13	.276	2.37	8.53
13	Tim Lincecum T. Lincecum	37.0	2010	SFG	6	4	1	.800	5	2.43	43	1	1	0	25	10	11	3	9	1	0	0	145	0	10.46	2.19	4.78	0.73	29.7	6.2	0.92	.247	2.68	6.08
14	Greg Maddux G. Maddux	37.0	1996	ATL	5	3	2	.600	5	1.70	22	0	0	0	32	7	14	1	3	1	0	1	144	1	5.35	0.73	7.33	0.24	15.3	2.1	0.95	.265	3.41	7.78
15	Nathan Eovaldi N. Eovaldi	36.2	2023	TEX	6	5	0	1.000	6	2.95	41	0	0	0	31	12	12	3	10	1	0	1	153	0	10.06	2.45	4.10	0.74	26.8	6.5	1.12	.286	2.95	7.61
16	Gerrit Cole G. Cole	36.2	2019	HOU	5	4	1	.800	5	1.72	47	0	0	0	21	7	7	4	11	0	0	0	138	0	11.54	2.70	4.27	0.98	34.1	8.0	0.87	.224	1.72	5.15
17	Justin Verlander J. Verlander	36.2	2017	HOU	6	4	1	.800	5	2.21	38	1	0	0	22	9	9	3	8	2	0	0	136	0	9.33	1.96	4.75	0.74	27.9	5.9	0.82	.224	2.21	5.40
18	Jerry Reuss J. Reuss	36.2	1981	LAD	5	2	2	.500	5	2.21	17	2	1	0	27	9	9	2	9	0	0	2	146	0	4.17	2.21	1.89	0.49	11.6	6.2	0.98	.212	2.21	6.63
19	Stephen Strasburg S. Strasburg	36.1	2019	WSH	6	5	0	1.000	5	1.98	47	0	0	0	30	8	9	4	4	0	0	1	142	1	11.64	0.99	11.75	0.99	33.1	2.8	0.94	.299	2.23	7.43
20	CC Sabathia	36.1	2009	NYY	5	3	1	.750	5	1.98	32	0	0	0	28	8	9	4	9	1	0	2	144	1	7.93	2.23	3.56	0.99	22.2	6.3	1.02	.245	2.23	6.94
21	Jack Morris J. Morris	36.1	1991	MIN	5	4	0	1.000	5	2.23	22	1	1	0	35	9	9	1	10	0	0	1	149	4	5.45	2.48	2.20	0.25	14.8	6.7	1.24	.293	2.23	8.67
22	Chris Carpenter C. Carpenter	36.0	2011	STL	6	4	0	1.000	6	3.25	21	1	1	0	31	13	13	4	11	3	0	1	148	0	5.25	2.75	1.91	1.00	14.2	7.4	1.17	.248	3.25	7.75
23	Zack Wheeler Z. Wheeler	35.2	2022	PHI	6	1	3	.250	6	2.78	33	0	0	0	19	11	12	2	7	4	0	0	135	0	8.33	1.77	4.71	0.50	24.4	5.2	0.73	.191	3.03	4.79
24	Jon Lester J. Lester	35.2	2016	CHC	6	3	1	.750	5	2.02	30	0	0	0	27	8	9	3	6	1	0	0	136	1	7.57	1.51	5.00	0.76	22.1	4.4	0.93	.250	2.27	6.81
25	Cliff Lee C. Lee	35.2	2010	TEX	5	3	2	.600	5	2.78	47	1	0	0	27	11	12	2	2	1	0	0	138	0	11.86	0.50	23.50	0.50	34.1	1.4	0.81	.291	3.03	6.81