most innings pitched single player in single season since 1996

Since 1996, Randy Johnson has pitched the most innings in a season, with 271.2 innings in 1999.

	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	Randy Johnson R. Johnson	271.2	1999	ARI	35	17	9	.654	35	2.48	364	12	2	0	207	75	86	30	70	9	0	3	1,079	4	12.06	2.32	5.20	0.99	33.7	6.5	1.02	.292	2.85	53	2.75	59	6.86	57.2
2	Curt Schilling C. Schilling	268.2	1998	PHI	35	15	14	.517	35	3.25	300	15	2	0	236	97	101	23	61	6	0	3	1,089	12	10.05	2.04	4.92	0.77	27.5	5.6	1.11	.305	3.38	76	2.76	65	7.91	45.1
3	Roy Halladay R. Halladay	266.0	2003	TOR	36	22	7	.759	36	3.25	204	9	2	0	253	96	111	26	32	9	0	1	1,071	6	6.90	1.08	6.38	0.88	19.0	3.0	1.07	.284	3.76	70	3.22	71	8.56	38.6
4	Pat Hentgen P. Hentgen	265.2	1996	TOR	35	20	10	.667	35	3.22	177	10	3	0	238	95	105	20	94	5	0	3	1,100	8	6.00	3.18	1.88	0.68	16.1	8.5	1.25	.271	3.56	65	3.93	80	8.06	29.1
5	Roger Clemens R. Clemens	264.0	1997	TOR	34	21	7	.750	34	2.05	292	9	3	0	204	60	65	9	68	12	0	1	1,044	4	9.95	2.32	4.29	0.31	28.0	6.5	1.03	.294	2.22	45	2.24	50	6.95	66.3
6	Pat Hentgen P. Hentgen	264.0	1997	TOR	35	15	10	.600	35	3.68	160	9	3	0	253	108	116	31	71	7	0	2	1,085	6	5.45	2.42	2.25	1.06	14.7	6.5	1.23	.272	3.95	81	4.30	96	8.63	5.2
7	Randy Johnson R. Johnson	260.0	2002	ARI	35	24	5	.828	35	2.32	334	8	4	0	197	67	78	26	71	13	0	1	1,035	3	11.56	2.46	4.70	0.90	32.3	6.9	1.03	.289	2.70	54	2.65	61	6.82	47
8	Curt Schilling C. Schilling	259.1	2002	ARI	36	23	7	.767	35	3.23	316	5	1	0	218	93	95	29	33	3	0	1	1,017	6	10.97	1.15	9.58	1.01	31.1	3.2	0.97	.297	3.30	75	2.39	55	7.57	54.3
9	Alex Fernandez A. Fernandez	258.0	1996	CWS	35	16	10	.615	35	3.45	200	6	1	0	248	99	110	34	72	7	0	4	1,071	5	6.98	2.51	2.78	1.19	18.7	6.7	1.24	.282	3.84	71	4.24	88	8.65	16.4
10	Kevin Brown K. Brown	257.0	1998	SDP	36	18	7	.720	35	2.38	257	7	3	0	225	68	77	8	49	10	0	4	1,032	10	9.00	1.72	5.24	0.28	24.9	4.7	1.07	.306	2.70	60	2.22	53	7.88	57
11	Curt Schilling C. Schilling	256.2	2001	ARI	35	22	6	.786	35	2.98	293	6	1	0	237	85	86	37	39	1	0	0	1,021	4	10.27	1.37	7.51	1.30	28.7	3.8	1.08	.307	3.02	66	3.10	70	8.31	38
12	John Smoltz J. Smoltz	256.0	1997	ATL	35	15	12	.556	35	3.02	241	7	2	0	234	86	97	21	63	1	0	9	1,043	10	8.47	2.21	3.83	0.74	23.1	6.0	1.16	.297	3.41	73	3.03	72	8.23	33.2
13	Darryl Kile D. Kile	255.2	1997	HOU	34	19	7	.731	34	2.57	205	6	4	0	208	73	87	19	94	10	0	2	1,056	7	7.22	3.31	2.18	0.67	19.4	8.9	1.18	.260	3.06	65	3.68	93	7.32	8.2
14	Livan Hernandez L. Hernandez	255.0	2004	MON	35	11	15	.423	35	3.60	186	9	2	0	234	102	105	26	83	10	0	9	1,053	1	6.56	2.93	2.24	0.92	17.7	7.9	1.24	.278	3.71	81	4.00	89	8.26	13.8
15	Curt Schilling C. Schilling	254.1	1997	PHI	35	17	11	.607	35	2.97	319	7	2	0	208	84	96	25	58	5	0	3	1,009	5	11.29	2.05	5.50	0.88	31.6	5.7	1.05	.304	3.40	69	2.61	62	7.36	45.8
16	John Smoltz J. Smoltz	253.2	1996	ATL	35	24	8	.750	35	2.94	276	6	2	0	199	83	93	19	55	2	0	3	995	10	9.79	1.95	5.02	0.67	27.7	5.5	1.00	.280	3.30	69	2.63	60	7.06	48.4
17	CC Sabathia	253.0	2008	TOT	35	17	10	.630	35	2.70	251	10	5	0	223	76	85	19	59	7	0	1	1,023	2	8.93	2.10	4.25	0.68	24.5	5.8	1.11	.297	3.02	63	2.90	68	7.93	38.8
18	Kevin Brown K. Brown	252.1	1999	LAD	35	18	9	.667	35	3.00	221	5	1	0	210	84	99	19	59	7	0	1	1,018	4	7.88	2.10	3.75	0.68	21.7	5.8	1.07	.268	3.53	71	3.13	69	7.49	40.5
19	Scott Erickson S. Erickson	251.1	1998	BAL	36	16	13	.552	36	4.01	186	11	2	0	284	112	125	23	69	13	0	4	1,102	4	6.66	2.47	2.70	0.82	16.9	6.3	1.40	.322	4.48	89	3.82	84	10.17	20.8
20	Justin Verlander J. Verlander	251.0	2011	DET	34	24	5	.828	34	2.40	250	4	2	0	174	67	73	24	57	3	0	0	969	7	8.96	2.04	4.39	0.86	25.8	5.9	0.92	.236	2.62	58	2.99	74	6.24	29.4
21	Jon Lieber J. Lieber	251.0	2000	CHC	35	12	11	.522	35	4.41	192	6	1	0	248	123	130	36	54	10	0	3	1,047	2	6.88	1.94	3.56	1.29	18.3	5.2	1.20	.281	4.66	97	4.23	90	8.89	13.4
22	Greg Maddux G. Maddux	251.0	1998	ATL	34	18	9	.667	34	2.22	204	9	5	0	201	62	75	13	45	7	0	10	987	4	7.31	1.61	4.53	0.47	20.7	4.6	0.98	.262	2.69	53	2.80	66	7.21	41
23	Roy Halladay R. Halladay	250.2	2010	PHI	33	21	10	.677	33	2.44	219	9	4	0	231	68	74	24	30	6	0	1	993	5	7.86	1.08	7.30	0.86	22.1	3.0	1.04	.290	2.66	61	3.00	75	8.29	27.6
24	Ken Hill K. Hill	250.2	1996	TEX	35	16	10	.615	35	3.63	170	7	3	0	250	101	110	19	95	6	0	3	1,061	5	6.10	3.41	1.79	0.68	16.0	9.0	1.38	.300	3.95	71	4.00	81	8.98	25.4
25	Felix Hernandez F. Hernandez	249.2	2010	SEA	34	13	12	.520	34	2.27	232	6	1	0	194	63	80	17	70	8	0	1	1,001	14	8.36	2.52	3.31	0.61	23.2	7.0	1.06	.263	2.88	58	3.04	75	6.99	28.4