Since 1995, Randy Johnson has pitched the most innings for the Diamondbacks, with 1630.1 innings.

	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	Randy Johnson R. Johnson	1630.1	233	118	62	.656	232	2.83	2,077	38	14	0	1,325	513	594	163	416	74	1	20	6,573	27	11.47	2.30	4.99	0.90	31.6	6.3	1.07	.302	3.28	62	2.72	60	7.31	321.8
2	Brandon Webb B. Webb	1319.2	199	87	62	.584	198	3.27	1,065	15	8	0	1,200	479	557	92	435	50	1	34	5,515	56	7.26	2.97	2.45	0.63	19.3	7.9	1.24	.286	3.80	72	3.49	78	8.18	146.6
3	Zac Gallen Z. Gallen	971.0	169	65	48	.575	169	3.61	1,017	2	2	0	818	390	413	114	306	34	0	2	3,991	32	9.43	2.84	3.32	1.06	25.5	7.7	1.16	.279	3.83	85	3.65	90	7.58	46.1
4	Merrill Kelly M. Kelly	953.0	162	62	50	.554	162	3.74	865	0	0	0	848	396	422	121	290	16	0	10	3,909	14	8.17	2.74	2.98	1.14	22.1	7.4	1.19	.278	3.99	88	3.97	97	8.01	14.1
5	Patrick Corbin P. Corbin	945.2	172	56	54	.509	154	3.91	897	4	1	2	944	411	447	107	271	28	9	16	3,998	45	8.54	2.58	3.31	1.02	22.4	6.8	1.28	.311	4.25	93	3.64	90	8.98	41.6
6	Brian Anderson B. Anderson	840.2	160	41	42	.494	129	4.52	410	7	2	1	921	422	458	143	153	10	6	17	3,500	8	4.39	1.64	2.68	1.53	11.7	4.4	1.28	.279	4.90	101	4.90	109	9.86	-35.6
7	Ian Kennedy I. Kennedy	798.2	176	52	41	.559	119	3.92	705	2	1	10	750	348	373	102	250	44	21	10	3,390	44	7.94	2.82	2.82	1.15	20.8	7.4	1.25	.283	4.20	97	4.06	104	8.45	-13
8	Robbie Ray R. Ray	793.0	147	47	46	.505	147	4.11	998	1	1	0	700	362	391	114	376	30	0	19	3,413	36	11.33	4.27	2.65	1.29	29.2	11.0	1.36	.309	4.44	95	4.05	97	7.94	11.3
9	Curt Schilling C. Schilling	781.2	108	58	28	.674	107	3.14	875	18	5	0	693	273	280	93	117	7	0	3	3,099	14	10.07	1.35	7.48	1.07	28.2	3.8	1.04	.299	3.22	70	2.80	63	7.98	140.1
10	Miguel Batista M. Batista	723.2	154	40	34	.541	109	3.99	454	6	2	0	713	321	357	56	274	30	13	13	3,103	36	5.65	3.41	1.66	0.70	14.6	8.8	1.36	.287	4.44	88	4.05	90	8.87	33.9
11	Zack Greinke Z. Greinke	714.2	114	55	29	.655	114	3.40	683	2	1	0	631	270	285	91	150	9	0	8	2,869	18	8.60	1.89	4.55	1.15	23.8	5.2	1.09	.279	3.59	78	3.57	85	7.95	50.1
12	Josh Collmenter J. Collmenter	659.1	200	36	33	.522	75	3.54	460	2	2	2	621	259	274	78	157	14	51	17	2,695	8	6.28	2.14	2.93	1.06	17.1	5.8	1.18	.273	3.74	89	4.01	104	8.48	-11.3
13	Wade Miley W. Miley	638.2	106	38	35	.521	102	3.79	499	0	0	0	649	269	290	64	196	10	0	7	2,700	29	7.03	2.76	2.55	0.90	18.5	7.3	1.32	.303	4.09	96	3.79	100	9.15	1.7
14	Dan Haren D. Haren	586.1	87	37	26	.587	87	3.56	570	5	2	0	557	232	248	69	107	13	0	10	2,397	32	8.75	1.64	5.33	1.06	23.8	4.5	1.13	.298	3.81	81	3.30	77	8.55	63.1
15	Doug Davis D. Davis	542.0	93	28	34	.452	93	4.22	402	0	0	0	574	254	277	59	262	13	0	12	2,401	29	6.68	4.35	1.53	0.98	16.7	10.9	1.54	.309	4.60	93	4.60	104	9.53	-8.6
16	Zack Godley Z. Godley	520.2	122	36	30	.545	81	4.70	502	0	0	2	497	272	286	60	211	28	12	11	2,241	40	8.68	3.65	2.38	1.04	22.4	9.4	1.36	.303	4.94	110	4.10	99	8.59	3.4
17	Daniel Hudson D. Hudson	477.2	190	33	21	.611	54	3.88	407	3	0	9	463	206	228	46	125	16	30	7	1,995	19	7.67	2.36	3.26	0.87	20.4	6.3	1.23	.298	4.30	95	3.50	88	8.72	24
18	Omar Daal O. Daal	473.1	85	26	31	.456	71	4.11	325	5	2	0	461	216	240	50	172	17	5	17	2,019	3	6.18	3.27	1.89	0.95	16.1	8.5	1.34	.282	4.56	89	4.32	94	8.77	13.1
19	Ryne Nelson R. Nelson	467.0	93	26	18	.591	78	4.18	370	0	0	2	447	217	226	60	127	10	6	3	1,937	11	7.13	2.45	2.91	1.16	19.1	6.6	1.23	.282	4.36	98	4.14	102	8.61	-5.4
20	Trevor Cahill T. Cahill	457.1	90	24	34	.414	74	4.29	363	2	1	1	450	218	239	38	194	21	9	4	1,974	32	7.14	3.82	1.87	0.75	18.4	9.8	1.41	.303	4.70	109	3.99	104	8.86	-7.8
21	Brandon Pfaadt B. Pfaadt	454.1	84	27	27	.500	83	5.13	426	0	0	0	490	259	273	72	105	19	1	3	1,948	4	8.44	2.08	4.06	1.43	21.9	5.4	1.31	.315	5.41	120	4.17	103	9.71	-8
22	Andy Benes A. Benes	429.2	67	27	25	.519	66	4.36	305	1	0	0	437	208	228	59	156	10	0	6	1,865	19	6.39	3.27	1.96	1.24	16.4	8.4	1.38	.283	4.78	97	4.65	103	9.15	-7.4
23	Joe Saunders J. Saunders	424.2	67	21	30	.412	67	3.96	247	3	1	0	453	187	212	57	117	9	0	5	1,793	8	5.23	2.48	2.11	1.21	13.8	6.5	1.34	.291	4.49	97	4.52	115	9.60	-27.5
24	Randall Delgado R. Delgado	415.0	246	25	19	.568	29	4.14	371	1	1	2	398	191	207	54	147	7	39	11	1,767	25	8.05	3.19	2.52	1.17	21.0	8.3	1.31	.290	4.49	102	4.13	105	8.63	-8.3
25	Archie Bradley A. Bradley	404.1	249	22	25	.468	35	3.96	419	0	0	28	387	178	186	37	169	17	62	14	1,747	9	9.33	3.76	2.48	0.82	24.0	9.7	1.38	.317	4.14	92	3.65	88	8.61	23.8