highest strikeouts per 9 innings by a pitcher all-time minimum 300 games started

Chris Sale has the highest career K/9 when starting 300+ games, with 11.11 per nine innings.

	NAME	K/9	GS	G	W	L	W%	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Chris Sale C. Sale	11.11	307	387	143	87	.622	3.02	2,528	16	3	12	2047.2	1,668	686	739	209	481	126	25	15	8,249	47	2.11	5.26	0.92	30.6	5.8	1.05	.297	3.25	71	2.88	69	7.33	297.1
2	Max Scherzer M. Scherzer	10.63	466	475	217	114	.656	3.18	3,456	12	5	0	2925.0	2,387	1,032	1,105	345	767	114	2	20	11,818	79	2.36	4.51	1.06	29.2	6.5	1.08	.286	3.40	76	3.20	77	7.34	307.8
3	Randy Johnson R. Johnson	10.61	603	618	303	166	.646	3.29	4,875	100	37	2	4135.1	3,346	1,513	1,703	411	1,497	190	7	37	17,067	109	3.26	3.26	0.89	28.6	8.8	1.17	.291	3.71	75	3.18	73	7.28	554.3
4	Gerrit Cole G. Cole	10.37	317	317	153	80	.657	3.18	2,251	8	5	0	1954.0	1,627	690	740	217	500	61	0	8	7,861	58	2.30	4.50	1.00	28.6	6.4	1.09	.292	3.41	79	3.16	77	7.49	213.5
5	Pedro Martinez P. Martinez	10.04	409	476	219	100	.687	2.93	3,154	46	17	3	2827.1	2,221	919	1,006	239	760	141	23	30	11,394	62	2.42	4.15	0.76	27.7	6.7	1.05	.279	3.20	66	2.91	68	7.07	454.6
6	Clayton Kershaw C. Kershaw	9.64	443	446	218	96	.694	2.52	3,014	25	15	0	2814.1	2,162	787	864	233	697	46	1	28	11,112	107	2.23	4.32	0.75	27.1	6.3	1.02	.271	2.76	64	2.84	70	6.91	369.9
7	Nolan Ryan N. Ryan	9.55	773	807	324	292	.526	3.19	5,714	222	61	3	5386.0	3,923	1,911	2,178	321	2,795	158	13	78	22,575	277	4.67	2.04	0.54	25.3	12.4	1.25	.265	3.64	90	2.96	83	6.56	370.2
8	Sandy Koufax S. Koufax	9.28	314	397	165	87	.655	2.76	2,396	137	40	9	2324.1	1,754	713	806	204	817	18	44	48	9,497	87	3.16	2.93	0.79	25.2	8.6	1.11	.256	3.12	75	2.69	75	6.79	226.6
9	Kevin Gausman K. Gausman	9.22	313	352	110	110	.500	3.84	1,900	3	1	0	1853.2	1,787	791	847	229	524	38	11	11	7,760	63	2.54	3.63	1.11	24.5	6.8	1.25	.307	4.11	93	3.62	86	8.68	123.8
10	Lance Lynn L. Lynn	9.04	340	364	143	99	.591	3.74	2,015	4	2	1	2006.1	1,856	834	916	231	704	89	4	21	8,520	61	3.16	2.86	1.04	23.7	8.3	1.28	.296	4.11	91	3.82	93	8.33	67.8
11	Francisco Liriano F. Liriano	9.01	300	419	112	114	.496	4.15	1,815	3	1	1	1813.2	1,649	837	911	184	816	62	19	15	7,781	100	4.05	2.22	0.91	23.3	10.5	1.36	.299	4.52	101	3.88	95	8.18	39.3
12	Sonny Gray S. Gray	9.00	322	331	122	99	.552	3.55	1,872	7	5	0	1872.2	1,624	738	809	184	605	57	2	5	7,751	105	2.91	3.09	0.88	24.2	7.8	1.19	.286	3.89	86	3.49	84	7.80	136.5
13	Justin Verlander J. Verlander	8.97	546	546	263	156	.628	3.33	3,503	26	9	0	3515.0	3,004	1,302	1,410	367	988	120	0	27	14,389	99	2.53	3.55	0.94	24.3	6.9	1.14	.280	3.61	79	3.43	81	7.69	306
14	Sam McDowell S. McDowell	8.86	346	425	141	134	.513	3.17	2,453	103	23	14	2492.1	1,948	879	999	164	1,312	59	39	74	10,587	140	4.74	1.87	0.59	23.2	12.4	1.31	.270	3.61	90	3.06	84	7.03	160.4
15	Hideo Nomo H. Nomo	8.73	318	323	123	109	.530	4.24	1,918	16	9	0	1976.1	1,768	932	993	251	908	38	2	31	8,462	109	4.13	2.11	1.14	22.7	10.7	1.35	.284	4.52	102	4.22	98	8.05	14.5
16	David Price D. Price	8.72	322	400	157	82	.657	3.32	2,076	17	3	3	2143.2	1,930	790	865	221	562	63	19	16	8,807	40	2.36	3.69	0.93	23.6	6.4	1.16	.290	3.63	81	3.38	83	8.10	165.9
17	Charlie Morton C. Morton	8.71	401	408	145	133	.522	4.09	2,164	3	2	0	2237.1	2,112	1,016	1,115	221	837	197	1	27	9,610	70	3.37	2.59	0.89	22.5	8.7	1.32	.305	4.49	102	3.87	96	8.50	42
18	Gio Gonzalez G. Gonzalez	8.66	328	344	131	101	.565	3.70	1,860	4	2	0	1933.0	1,744	795	857	171	815	50	4	21	8,242	59	3.79	2.28	0.80	22.6	9.9	1.32	.294	3.99	91	3.67	91	8.12	77.3
19	Curt Schilling C. Schilling	8.60	436	569	216	146	.597	3.46	3,116	83	20	22	3261.0	2,998	1,253	1,318	347	711	52	81	43	13,284	72	1.96	4.38	0.96	23.5	5.4	1.14	.293	3.64	80	3.22	76	8.27	373.6
20	Scott Kazmir S. Kazmir	8.56	301	303	108	97	.527	4.02	1,618	3	1	0	1701.0	1,611	760	830	193	687	68	0	17	7,308	74	3.63	2.36	1.02	22.1	9.4	1.35	.299	4.39	98	4.01	97	8.52	26.4
21	Roger Clemens R. Clemens	8.55	707	709	354	184	.658	3.12	4,672	118	46	0	4916.2	4,185	1,707	1,885	363	1,580	159	0	63	20,240	143	2.89	2.96	0.66	23.1	7.8	1.17	.284	3.45	70	3.08	71	7.66	680.4
22	Cole Hamels C. Hamels	8.54	422	423	163	122	.572	3.43	2,560	17	7	0	2698.0	2,424	1,027	1,103	310	767	100	0	43	11,115	57	2.56	3.34	1.03	23.0	6.9	1.18	.287	3.68	82	3.68	88	8.09	151.3
23	Madison Bumgarner M. Bumgarner	8.43	355	358	134	124	.519	3.47	2,070	16	7	0	2209.1	2,007	853	933	258	544	89	1	38	9,098	29	2.22	3.81	1.05	22.8	6.0	1.15	.285	3.80	90	3.62	94	8.18	50.1
24	Sid Fernandez S. Fernandez	8.40	300	307	114	96	.543	3.36	1,743	25	9	1	1866.2	1,421	696	749	191	715	41	2	33	7,668	22	3.45	2.44	0.92	22.7	9.3	1.14	.247	3.61	90	3.51	93	6.85	50.9
25	Jake Peavy J. Peavy	8.36	377	388	152	126	.547	3.63	2,207	15	6	0	2377.0	2,134	960	1,011	259	708	78	3	42	9,838	46	2.68	3.12	0.98	22.4	7.2	1.20	.285	3.83	90	3.64	89	8.08	127.6