Justin Verlander had the most innings pitched per start with 27+ starts in 2012, with 7.22.

	NAME	IP/GS	GS	IP	SEASON	TM	G	W	L	W%	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	Justin Verlander J. Verlander	7.22	33	238.1	2012	DET	33	17	8	.680	2.64	239	6	1	0	192	70	81	19	60	5	0	2	956	2	9.03	2.27	3.98	0.72	25.0	6.3	1.06	.273	3.06	64	2.94	70	7.25	32.4
2	CC Sabathia	7.14	28	200.0	2012	NYY	28	15	6	.714	3.38	197	2	0	0	184	75	89	22	44	8	0	2	833	4	8.87	1.98	4.48	0.99	23.6	5.3	1.14	.288	4.01	80	3.33	77	8.28	20.9
3	R.A. Dickey	7.08	33	233.2	2012	NYM	34	20	6	.769	2.73	230	5	3	0	192	71	78	24	54	9	1	2	927	4	8.86	2.08	4.26	0.92	24.8	5.8	1.05	.275	3.00	73	3.26	84	7.40	16.6
4	Cliff Lee C. Lee	7.03	30	211.0	2012	PHI	30	6	9	.400	3.16	207	0	0	0	207	74	79	26	28	0	0	0	847	4	8.83	1.19	7.39	1.11	24.4	3.3	1.11	.309	3.37	80	3.12	79	8.83	19.8
5	Felix Hernandez F. Hernandez	7.03	33	232.0	2012	SEA	33	13	9	.591	3.06	223	5	5	0	209	79	84	14	56	12	0	0	939	13	8.65	2.17	3.98	0.54	23.7	6.0	1.14	.308	3.26	80	2.83	71	8.11	31
6	Cole Hamels C. Hamels	6.95	31	215.1	2012	PHI	31	17	6	.739	3.05	216	2	2	0	190	73	80	24	52	3	0	3	867	3	9.03	2.17	4.15	1.00	24.9	6.0	1.12	.290	3.34	77	3.30	83	7.94	16.2
7	Clayton Kershaw C. Kershaw	6.9	33	227.2	2012	LAD	33	14	9	.609	2.53	229	2	2	0	170	64	70	16	63	5	0	5	901	6	9.05	2.49	3.63	0.63	25.4	7.0	1.02	.262	2.77	67	2.88	74	6.72	25.7
8	James Shields J. Shields	6.9	33	227.2	2012	TBR	33	15	10	.600	3.52	223	3	2	0	208	89	103	25	58	11	0	2	944	7	8.82	2.29	3.84	0.99	23.6	6.1	1.17	.292	4.07	91	3.46	86	8.22	14.8
9	Matt Cain M. Cain	6.85	32	219.1	2012	SFG	32	16	5	.762	2.79	193	2	2	0	177	68	73	21	51	9	0	1	876	8	7.92	2.09	3.78	0.86	22.0	5.8	1.04	.259	3.00	76	3.39	92	7.26	7.6
10	Jake Peavy J. Peavy	6.84	32	219.0	2012	CWS	32	11	12	.478	3.37	194	4	1	0	191	82	88	27	49	10	0	1	882	3	7.97	2.01	3.96	1.11	22.0	5.6	1.10	.272	3.62	79	3.73	87	7.85	13.6
11	David Price D. Price	6.81	31	211.0	2012	TBR	31	20	5	.800	2.56	205	2	1	0	173	60	63	16	59	5	0	2	836	8	8.74	2.52	3.47	0.68	24.5	7.1	1.10	.285	2.69	66	3.04	75	7.38	23.9
12	Wade Miley W. Miley	6.71	29	194.2	2012	ARI	32	16	11	.593	3.33	144	0	0	0	193	72	79	14	37	2	0	0	807	6	6.66	1.71	3.89	0.65	17.8	4.6	1.18	.293	3.65	81	3.14	80	8.92	17.1
13	Matt Harrison M. Harrison	6.67	32	213.1	2012	TEX	32	18	11	.621	3.29	133	4	2	0	210	78	82	22	59	1	0	0	876	2	5.61	2.49	2.25	0.93	15.2	6.7	1.26	.284	3.46	76	4.02	95	8.86	5.5
14	Hiroki Kuroda H. Kuroda	6.66	33	219.2	2012	NYY	33	16	11	.593	3.32	167	3	2	0	205	81	86	25	51	8	0	2	891	13	6.84	2.09	3.27	1.02	18.7	5.7	1.17	.281	3.52	79	3.85	90	8.40	10.7
15	Clayton Richard C. Richard	6.63	33	218.2	2012	SDP	33	14	14	.500	3.99	107	1	1	0	228	97	110	31	42	6	0	4	910	4	4.40	1.73	2.55	1.28	11.8	4.6	1.23	.272	4.53	110	4.61	122	9.38	-21
16	Chris Sale C. Sale	6.62	29	192.0	2012	CWS	30	17	8	.680	3.05	192	1	0	0	167	65	66	19	51	6	0	5	772	6	9.00	2.39	3.76	0.89	24.9	6.6	1.14	.294	3.09	72	3.26	76	7.83	21.4
17	Yu Darvish Y. Darvish	6.6	29	191.1	2012	TEX	29	16	9	.640	3.90	221	0	0	0	156	83	89	14	89	10	0	1	816	8	10.40	4.19	2.48	0.66	27.1	10.9	1.28	.295	4.19	90	3.28	77	7.34	20.3
18	Jason Vargas J. Vargas	6.59	33	217.1	2012	SEA	33	14	11	.560	3.85	141	2	0	0	201	93	94	35	55	3	0	1	887	5	5.84	2.28	2.56	1.45	15.9	6.2	1.18	.254	3.89	100	4.68	117	8.32	-17.2
19	Johnny Cueto J. Cueto	6.58	33	217.0	2012	CIN	33	19	9	.679	2.78	170	2	0	0	205	67	73	15	49	12	0	5	888	1	7.05	2.03	3.47	0.62	19.1	5.5	1.17	.296	3.03	70	3.26	81	8.50	17.9
20	Clay Buchholz C. Buchholz	6.53	29	189.1	2012	BOS	29	11	8	.579	4.56	129	2	1	0	187	96	104	25	64	12	0	2	802	2	6.13	3.04	2.02	1.19	16.1	8.0	1.33	.283	4.94	108	4.64	115	8.89	-13
21	Mark Buehrle M. Buehrle	6.53	31	202.1	2012	MIA	31	13	13	.500	3.74	125	1	0	0	197	84	88	26	40	4	0	3	828	2	5.56	1.78	3.13	1.16	15.1	4.8	1.17	.270	3.91	97	4.17	110	8.76	-9.3
22	A.J. Burnett	6.53	31	202.1	2012	PIT	31	16	10	.615	3.51	180	1	1	0	189	79	86	18	62	9	0	1	851	10	8.01	2.76	2.90	0.80	21.2	7.3	1.24	.294	3.83	92	3.52	93	8.41	5.9
23	Madison Bumgarner M. Bumgarner	6.51	32	208.1	2012	SFG	32	16	11	.593	3.37	191	2	1	0	183	78	87	23	49	7	0	6	849	3	8.25	2.12	3.90	0.99	22.5	5.8	1.11	.276	3.76	92	3.49	94	7.91	4.7
24	Derek Holland D. Holland	6.49	27	175.1	2012	TEX	29	12	7	.632	4.67	145	0	0	0	162	91	100	32	52	3	1	0	730	1	7.44	2.67	2.79	1.64	19.9	7.1	1.22	.261	5.13	108	4.75	112	8.32	-9.2
25	Scott Diamond S. Diamond	6.41	27	173.0	2012	MIN	27	12	9	.571	3.54	90	1	1	0	184	68	76	17	31	4	0	2	714	10	4.68	1.61	2.90	0.88	12.6	4.3	1.24	.292	3.95	86	3.93	96	9.57	3