most ip by a pitcher in a season after 1900

Since 1901, Ed Walsh has pitched the most innings in a season, with 464 innings in 1908.

	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	ERA-	FIP	FIP-	H/9	PRAA
1	Ed Walsh E. Walsh	464.0	1908	CWS	66	40	15	.727	49	1.42	269	42	11	6	343	73	111	2	56	9	16		1,755	10	5.22	1.09	4.80	0.04	15.3	3.2	0.86	.240	2.15	63	1.42	67	6.65	34.2
2	Jack Chesbro J. Chesbro	454.2	1904	NYH	55	41	12	.774	51	1.82	239	48	6	0	338	92	128	4	88	7	3		1,720	9	4.73	1.74	2.72	0.08	13.9	5.1	0.94	.242	2.53	65	2.11	78	6.69	32.5
3	Joe McGinnity J. McGinnity	434.0	1903	NYG	55	31	20	.608	48	2.43	171	44	3	2	391	117	162	4	109	19	6		1,786	5	3.55	2.26	1.57	0.08	9.6	6.1	1.15	.261	3.36	75	2.97	91	8.11	13
4	Ed Walsh E. Walsh	422.1	1907	CWS	56	24	18	.571	46	1.60	206	37	5	4	341	75	120	3	87	8	10		1,622	14	4.39	1.85	2.37	0.06	12.7	5.4	1.01	.256	2.56	67	1.97	88	7.27	9.9
5	Vic Willis V. Willis	410.0	1902	BSN	51	27	20	.574	46	2.20	225	45	4	3	372	100	142	6	101	14	5		1,652	12	4.94	2.22	2.23	0.13	13.6	6.1	1.15	.280	3.12	76	2.60	86	8.17	21.3
6	Joe McGinnity J. McGinnity	408.0	1904	NYG	51	35	8	.814	44	1.61	144	38	9	5	307	73	103	8	86	13	7		1,588	2	3.18	1.90	1.67	0.18	9.1	5.4	0.96	.224	2.27	59	2.70	96	6.77	5.3
7	Ed Walsh E. Walsh	393.0	1912	CWS	62	27	17	.614	41	2.15	254	32	6	10	332	94	125	6	94	1	20		1,532	2	5.82	2.15	2.70	0.14	16.6	6.1	1.08	.277	2.86	67	2.48	80	7.60	26.2
8	Dave Davenport D. Davenport	392.2	1915	SLF	55	22	18	.550	46	2.20	229	30	10	1	300	96	116	5	96	5	5		1,497	7	5.25	2.20	2.39	0.11	15.3	6.4	1.01	.254	2.66	70	2.18	72	6.88	37.4
9	Christy Mathewson C. Mathewson	390.2	1908	NYG	56	37	11	.771	44	1.43	259	34	11	5	281	62	85	5	42	3	9		1,469	2	5.97	0.97	6.17	0.12	17.6	2.9	0.83	.238	1.96	61	1.29	52	6.47	52.4
10	Jack Powell J. Powell	390.1	1904	NYH	47	23	19	.548	45	2.44	202	38	3	0	340	106	154	15	92	10	2		1,546	12	4.66	2.12	2.20	0.35	13.1	6.0	1.11	.265	3.55	87	2.67	98	7.84	5.5
11	Togie Pittinger T. Pittinger	389.1	1902	BSN	46	27	16	.628	40	2.52	174	36	7	0	360	109	139	4	128	16	5		1,611	6	4.02	2.96	1.36	0.09	10.8	7.9	1.25	.276	3.21	87	3.02	99	8.32	2.9
12	Grover Alexander G. Alexander	389.0	1916	PHN	48	33	12	.733	45	1.55	167	38	16	3	323	67	90	6	50	10	3		1,500	3	3.86	1.16	3.34	0.14	11.1	3.3	0.96	.250	2.08	58	2.12	79	7.47	25.4
13	Grover Alexander G. Alexander	388.0	1917	PHN	45	30	13	.698	44	1.83	200	34	8	0	336	79	107	4	56	6	0		1,529	1	4.64	1.30	3.57	0.09	13.1	3.7	1.01	.263	2.48	65	1.84	69	7.79	36.4
14	Cy Young C. Young	384.2	1902	BSA	45	32	11	.744	43	2.15	160	41	3	0	350	92	136	6	53	13	1		1,506	3	3.74	1.24	3.02	0.14	10.6	3.5	1.05	.270	3.18	60	2.55	74	8.19	37.5
15	Rube Waddell R. Waddell	383.0	1904	PHA	46	25	19	.568	46	1.62	349	39	8	0	307	69	109	5	91	14	0		1,496	8	8.20	2.14	3.84	0.12	23.3	6.1	1.04	.291	2.56	61	1.59	62	7.21	41.5
16	George Mullin G. Mullin	382.1	1904	DET	45	17	23	.425	44	2.40	161	42	7	0	345	102	154	1	131	10	1		1,568	8	3.79	3.08	1.23	0.02	10.3	8.4	1.24	.272	3.63	92	2.72	108	8.12	-8.8
17	Joe McGinnity J. McGinnity	382.0	1901	BAL	48	26	20	.565	43	3.56	75	39	1	1	412	151	219	7	96	21	4		1,631	5	1.77	2.26	0.78	0.16	4.6	5.9	1.33	.283	5.16	93	3.69	96	9.71	10
18	Cy Young C. Young	380.0	1904	BSA	43	26	16	.619	41	1.97	200	40	10	1	327	83	104	6	29	4	2		1,435	4	4.74	0.69	6.90	0.14	13.9	2.0	0.94	.268	2.46	74	1.83	72	7.74	31.1
19	Irv Young I. Young	378.0	1905	BSN	43	20	21	.488	42	2.90	156	41	7	0	337	122	146	6	71	8	1		1,475	6	3.71	1.69	2.20	0.14	10.6	4.8	1.08	.268	3.48	97	2.53	86	8.02	16.8
20	Cy Falkenberg C. Falkenberg	377.1	1914	IND	49	25	16	.610	43	2.22	236	33	9	3	332	93	127	5	89	5	5		1,502	9	5.63	2.12	2.65	0.12	15.7	5.9	1.12	.280	3.03	65	2.11	68	7.92	41.9
21	Oscar Jones O. Jones	377.0	1904	BKN	46	17	25	.405	41	2.75	96	38	0	0	387	115	175	7	92	17	5		1,543	6	2.29	2.20	1.04	0.17	6.2	6.0	1.27	.285	4.18	104	3.02	111	9.24	-14
22	Wilbur Wood W. Wood	376.2	1972	CWS	49	24	17	.585	49	2.51	193	20	8	0	325	105	119	28	74	7	0	5	1,490	11	4.61	1.77	2.61	0.67	13.0	5.0	1.06	.250	2.84	80	2.98	91	7.77	13.1
23	Grover Alexander G. Alexander	376.1	1915	PHN	49	31	10	.756	42	1.22	241	36	12	3	253	51	86	3	64	10	7		1,435	2	5.76	1.53	3.77	0.07	16.8	4.5	0.84	.224	2.06	43	1.82	63	6.05	44.1
24	Mickey Lolich M. Lolich	376.0	1971	DET	45	25	14	.641	45	2.92	308	29	4	0	336	122	133	36	92	7	0	2	1,538	7	7.37	2.20	3.35	0.86	20.0	6.0	1.14	.274	3.18	83	2.84	78	8.04	32.5
25	Noodles Hahn N. Hahn	375.1	1901	CIN	42	22	19	.537	42	2.71	239	41	2	0	370	113	159	12	69	9	0		1,524	10	5.73	1.65	3.46	0.29	15.7	4.5	1.17	.300	3.81	81	2.69	81	8.87	27.6