Since 1990, Greg Maddux has pitched the most innings, with 4334.1 innings.

Interpreted as:

most innings pitched by a player since 1990

	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	ERA-	FIP	FIP-	H/9	PRAA
1	Greg Maddux G. Maddux	4334.1	639	310	189	.621	639	3.06	2,975	91	30	0	4,049	1,474	1,663	307	751	117	0	133	17,527	56	6.18	1.56	3.96	0.64	17.0	4.3	1.11	.280	3.45	73	3.19	75	8.41	508.9
2	Tom Glavine T. Glavine	3981.2	610	282	174	.618	610	3.45	2,413	49	21	0	3,870	1,528	1,667	319	1,364	53	0	131	16,756	60	5.45	3.08	1.77	0.72	14.4	8.1	1.31	.282	3.77	83	3.93	93	8.75	131.5
3	Randy Johnson R. Johnson	3948.2	585	293	153	.657	571	3.24	4,720	97	37	2	3,176	1,420	1,595	395	1,394	187	6	35	16,243	99	10.76	3.18	3.39	0.90	29.1	8.6	1.16	.291	3.64	73	3.14	72	7.24	556.6
4	Roger Clemens R. Clemens	3632.0	534	259	139	.651	533	3.15	3,457	60	25	0	3,097	1,270	1,409	268	1,209	127	0	47	14,997	112	8.57	3.00	2.86	0.66	23.1	8.1	1.19	.285	3.49	69	3.18	72	7.67	502.1
5	CC Sabathia	3577.1	561	251	161	.609	560	3.74	3,093	38	12	0	3,404	1,485	1,623	382	1,099	123	0	44	14,989	74	7.78	2.76	2.81	0.96	20.6	7.3	1.26	.294	4.08	87	3.77	87	8.56	223.7
6	Justin Verlander J. Verlander	3567.2	555	266	158	.627	555	3.32	3,553	26	9	0	3,046	1,317	1,428	371	1,004	121	0	28	14,607	99	8.96	2.53	3.54	0.94	24.3	6.9	1.14	.280	3.60	79	3.43	81	7.68	310.9
7	Mike Mussina M. Mussina	3562.2	537	270	153	.638	536	3.68	2,813	57	23	0	3,460	1,458	1,559	376	785	60	0	29	14,593	71	7.11	1.98	3.58	0.95	19.3	5.4	1.19	.292	3.94	82	3.57	79	8.74	372.8
8	Jamie Moyer J. Moyer	3507.2	596	237	166	.588	544	4.22	2,084	27	8	0	3,618	1,644	1,762	454	928	132	13	52	14,870	38	5.35	2.38	2.25	1.16	14.0	6.2	1.30	.281	4.52	95	4.48	101	9.28	-8.1
9	Bartolo Colon B. Colon	3461.2	565	247	188	.568	552	4.12	2,535	38	13	0	3,593	1,584	1,719	439	948	64	2	47	14,655	45	6.59	2.46	2.67	1.14	17.3	6.5	1.31	.296	4.47	95	4.14	96	9.34	71.6
10	Zack Greinke Z. Greinke	3389.1	586	225	156	.591	541	3.49	2,979	17	5	1	3,207	1,315	1,410	367	762	79	8	25	13,877	101	7.91	2.02	3.91	0.97	21.5	5.5	1.17	.293	3.74	83	3.51	85	8.52	235
11	Andy Pettitte A. Pettitte	3316.0	531	256	153	.626	521	3.85	2,448	26	4	0	3,448	1,418	1,572	288	1,031	55	3	42	14,074	69	6.64	2.80	2.37	0.78	17.4	7.3	1.35	.308	4.27	86	3.73	83	9.36	282.1
12	Mark Buehrle M. Buehrle	3283.1	518	214	160	.572	493	3.81	1,870	33	10	0	3,472	1,391	1,542	361	734	79	6	49	13,705	27	5.13	2.01	2.55	0.99	13.6	5.4	1.28	.292	4.23	87	4.11	93	9.52	111.9
13	David Wells D. Wells	3259.0	547	225	145	.608	487	4.17	2,035	54	12	6	3,467	1,509	1,627	390	648	81	25	49	13,650	85	5.62	1.79	3.14	1.08	14.9	4.7	1.26	.293	4.49	93	4.02	90	9.57	161
14	Curt Schilling C. Schilling	3237.2	560	216	142	.603	431	3.42	3,106	83	20	22	2,966	1,231	1,293	342	698	51	81	42	13,170	69	8.63	1.94	4.45	0.95	23.6	5.3	1.13	.292	3.59	79	3.20	75	8.24	380.3
15	Kenny Rogers K. Rogers	3229.0	689	216	152	.587	474	4.30	1,905	36	9	26	3,397	1,544	1,711	337	1,133	123	109	44	13,966	73	5.31	3.16	1.68	0.94	13.6	8.1	1.40	.292	4.77	93	4.40	98	9.47	38.7
16	Tim Wakefield T. Wakefield	3226.1	627	200	180	.526	463	4.41	2,156	33	6	22	3,152	1,582	1,791	418	1,205	186	78	33	13,939	134	6.01	3.36	1.79	1.17	15.5	8.6	1.35	.274	5.00	96	4.72	108	8.79	-137.5
17	John Smoltz J. Smoltz	3201.0	682	199	137	.592	440	3.31	2,879	48	16	154	2,840	1,177	1,272	263	905	53	204	78	13,127	135	8.09	2.54	3.18	0.74	21.9	6.9	1.17	.285	3.58	80	3.20	77	7.99	354
18	Livan Hernandez L. Hernandez	3189.0	519	178	177	.501	474	4.44	1,976	50	9	1	3,525	1,572	1,686	362	1,066	78	17	86	13,816	41	5.58	3.01	1.85	1.02	14.3	7.7	1.44	.306	4.76	105	4.39	103	9.95	-45.4
19	Tim Hudson T. Hudson	3126.2	482	222	133	.625	479	3.49	2,080	26	13	0	2,957	1,213	1,319	248	917	124	0	84	13,005	84	5.99	2.64	2.27	0.71	16.0	7.1	1.24	.281	3.80	83	3.78	90	8.51	152.3
20	Kevin Brown K. Brown	3037.0	453	197	134	.595	443	3.26	2,277	64	17	0	2,873	1,101	1,259	196	823	134	1	40	12,615	100	6.75	2.44	2.77	0.58	18.0	6.5	1.22	.291	3.73	78	3.31	77	8.51	335.8
21	Max Scherzer M. Scherzer	2963.0	483	220	117	.653	474	3.22	3,489	12	5	0	2,433	1,059	1,132	354	779	114	2	20	11,987	80	10.60	2.37	4.48	1.08	29.1	6.5	1.08	.287	3.44	77	3.23	78	7.39	302.5
22	Clayton Kershaw C. Kershaw	2855.1	455	223	96	.699	451	2.53	3,052	25	15	0	2,193	804	881	235	713	46	1	28	11,279	108	9.62	2.25	4.28	0.74	27.1	6.3	1.02	.271	2.78	65	2.85	70	6.91	375.1
23	John Lackey J. Lackey	2840.1	448	188	147	.561	446	3.92	2,294	18	8	0	2,862	1,237	1,347	319	815	133	0	32	12,030	125	7.27	2.58	2.81	1.01	19.1	6.8	1.29	.300	4.27	92	3.94	94	9.07	79.6
24	Javier Vazquez J. Vazquez	2840.0	450	165	160	.508	443	4.22	2,536	28	8	0	2,784	1,331	1,431	373	763	88	5	58	11,935	76	8.04	2.42	3.32	1.18	21.2	6.4	1.25	.295	4.53	96	3.90	88	8.82	164.4
25	Pedro Martinez P. Martinez	2827.1	476	219	100	.687	409	2.93	3,154	46	17	3	2,221	919	1,006	239	760	141	23	30	11,394	62	10.04	2.42	4.15	0.76	27.7	6.7	1.05	.279	3.20	66	2.91	68	7.07	454.6