most innings pitched in a season by a pitcher since 1990

Since 1990, 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	Roger Clemens R. Clemens	271.1	1991	BOS	35	18	10	.643	35	2.62	241	13	4	0	219	79	93	15	65	5	0	12	1,077	6	7.99	2.16	3.71	0.50	22.4	6.0	1.05	.272	3.08	61	2.57	63	7.26	44.5
3	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
4	Greg Maddux G. Maddux	268.0	1992	CHC	35	20	11	.645	35	2.18	199	9	4	0	201	65	68	7	70	14	0	7	1,061	5	6.68	2.35	2.84	0.24	18.8	6.6	1.01	.252	2.28	61	2.57	71	6.75	30.5
5	Greg Maddux G. Maddux	267.0	1993	ATL	36	20	10	.667	36	2.36	197	8	1	0	228	70	85	14	52	6	0	7	1,064	5	6.64	1.75	3.79	0.47	18.5	4.9	1.05	.269	2.87	57	2.84	69	7.69	37.9
6	Dave Stewart D. Stewart	267.0	1990	OAK	36	22	11	.667	36	2.56	166	11	4	0	226	76	84	16	83	5	0	1	1,088	8	5.60	2.80	2.00	0.54	15.3	7.6	1.16	.257	2.83	69	3.32	88	7.62	13.9
7	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
8	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
9	Kevin Brown K. Brown	265.2	1992	TEX	35	21	11	.656	35	3.32	173	11	1	0	262	98	117	11	76	10	0	2	1,108	8	5.86	2.57	2.28	0.37	15.6	6.9	1.27	.300	3.96	85	2.98	77	8.88	27.1
10	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
11	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
12	Greg Maddux G. Maddux	263.0	1991	CHC	37	15	11	.577	37	3.35	198	7	2	0	232	98	113	18	66	6	0	9	1,070	6	6.78	2.26	3.00	0.62	18.5	6.2	1.13	.274	3.87	87	3.06	79	7.94	23.1
13	Bill Wegman B. Wegman	261.2	1992	MIL	35	13	14	.481	35	3.20	127	7	0	0	251	93	104	28	55	9	0	3	1,079	1	4.37	1.89	2.31	0.96	11.8	5.1	1.17	.259	3.58	82	3.93	101	8.63	-1.1
14	Jack McDowell J. McDowell	260.2	1992	CWS	34	20	10	.667	34	3.18	178	13	1	0	247	92	95	21	75	7	0	9	1,079	6	6.15	2.59	2.37	0.73	16.5	7.0	1.24	.283	3.28	83	3.40	87	8.53	14.4
15	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
16	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
17	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
18	Cal Eldred C. Eldred	258.0	1993	MIL	36	16	16	.500	36	4.01	180	8	1	0	232	115	120	32	91	10	0	5	1,087	2	6.28	3.17	1.98	1.12	16.6	8.4	1.25	.258	4.19	92	4.37	102	8.09	-3
19	Jose Rijo J. Rijo	257.1	1993	CIN	36	14	9	.609	36	2.48	227	2	1	0	218	71	76	19	62	2	0	2	1,029	0	7.94	2.17	3.66	0.66	22.1	6.0	1.09	.277	2.66	61	2.92	70	7.62	35.1
20	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
21	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
22	Jack McDowell J. McDowell	256.2	1993	CWS	34	22	10	.688	34	3.37	158	10	4	0	261	96	104	20	69	3	0	6	1,067	8	5.54	2.42	2.29	0.70	14.8	6.5	1.29	.295	3.65	80	3.60	84	9.15	19.1
23	Doug Drabek D. Drabek	256.2	1992	PIT	34	15	11	.577	34	2.77	177	10	4	0	218	79	84	17	54	6	0	8	1,021	11	6.21	1.89	3.28	0.60	17.3	5.3	1.06	.262	2.95	80	2.96	86	7.64	13.8
24	Mark Langston M. Langston	256.1	1993	CAL	35	16	11	.593	35	3.20	196	7	0	0	220	91	100	22	85	1	0	2	1,039	10	6.88	2.98	2.31	0.77	18.9	8.2	1.19	.269	3.51	74	3.57	81	7.72	23.4
25	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