highest strikeout per 9 by a starting pitcher ever with at least 50 games started

Spencer Strider has the best career K/9 by a starting pitcher when starting 50+ games, with 12.38 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	H/9
1	Spencer Strider S. Strider	12.38	77	77	36	23	.610	3.82	589	0	0	0	428.1	352	182	191	51	148	20	0	2	1,777	12	3.11	3.98	1.07	33.1	8.3	1.17	.311	4.01	7.40
2	Garrett Crochet G. Crochet	11.89	64	64	24	17	.585	3.00	464	1	1	0	351.1	288	117	123	42	79	8	0	0	1,409	10	2.02	5.87	1.08	32.9	5.6	1.04	.301	3.15	7.38
3	Dinelson Lamet D. Lamet	11.55	60	60	14	20	.412	4.13	386	0	0	0	300.2	246	138	151	43	123	17	0	2	1,271	20	3.68	3.14	1.29	30.4	9.7	1.23	.289	4.52	7.36
4	Shohei Ohtani S. Ohtani	11.41	100	100	39	20	.661	3.00	670	1	1	0	528.2	388	176	184	56	182	24	0	2	2,139	52	3.10	3.68	0.95	31.3	8.5	1.08	.275	3.13	6.61
5	Tyler Glasnow T. Glasnow	11.40	128	128	42	34	.553	3.69	869	0	0	0	686.0	519	281	300	89	244	12	0	3	2,789	55	3.20	3.56	1.17	31.2	8.7	1.11	.273	3.94	6.81
6	Jose Fernandez J. Fernandez	11.25	76	76	38	17	.691	2.58	589	0	0	0	471.1	357	135	150	31	140	13	0	12	1,888	16	2.67	4.21	0.59	31.2	7.4	1.05	.292	2.86	6.82
7	Hunter Greene H. Greene	11.20	91	91	25	29	.463	3.65	617	2	2	0	495.2	386	201	211	70	179	39	0	0	2,060	21	3.25	3.45	1.27	30.0	8.7	1.14	.274	3.83	7.01
8	Blake Snell B. Snell	11.19	222	222	81	62	.566	3.15	1,440	1	1	0	1158.0	891	405	440	111	521	11	0	6	4,791	86	4.05	2.76	0.86	30.1	10.9	1.22	.288	3.42	6.92
9	Chris Sale C. Sale	11.16	312	312	140	85	.622	3.04	2,458	16	3	0	1983.0	1,620	669	721	205	447	128	0	12	7,981	45	2.03	5.50	0.93	30.8	5.6	1.04	.298	3.27	7.35
10	Ryne Stanek R. Stanek	11.06	56	56	0	3	.000	2.71	102	0	0	0	83.0	57	25	27	9	31	1	0	0	331	3	3.36	3.29	0.98	30.8	9.4	1.06	.255	2.93	6.18
11	Cole Ragans C. Ragans	10.94	66	66	19	17	.528	3.50	437	1	0	0	359.2	292	140	151	31	130	9	0	1	1,479	20	3.25	3.36	0.78	29.5	8.8	1.17	.299	3.78	7.31
12	Dylan Cease D. Cease	10.91	188	188	65	58	.528	3.88	1,231	3	3	0	1015.1	854	438	482	121	430	35	0	9	4,304	55	3.81	2.86	1.07	28.6	10.0	1.26	.295	4.27	7.57
13	Freddy Peralta F. Peralta	10.90	162	162	62	40	.608	3.56	1,026	1	0	0	847.0	627	335	351	109	319	46	0	2	3,493	29	3.39	3.22	1.16	29.4	9.1	1.12	.260	3.73	6.66
14	Robbie Ray R. Ray	10.84	261	261	88	81	.521	3.93	1,728	2	1	0	1435.0	1,241	626	668	213	606	51	0	19	6,068	60	3.80	2.85	1.34	28.5	10.0	1.29	.296	4.19	7.78
15	Paul Skenes P. Skenes	10.83	55	55	21	13	.618	1.96	386	1	0	0	320.2	230	70	76	21	74	12	0	0	1,247	4	2.08	5.22	0.59	31.0	5.9	0.95	.277	2.13	6.46
16	Jacob deGrom J. deGrom	10.82	248	248	96	65	.596	2.57	1,851	4	2	0	1539.2	1,173	440	477	146	345	25	0	13	6,045	30	2.02	5.37	0.85	30.6	5.7	0.99	.279	2.79	6.86
17	Max Scherzer M. Scherzer	10.61	474	474	220	117	.653	3.22	3,471	12	5	0	2944.0	2,422	1,054	1,127	352	772	112	0	20	11,913	80	2.36	4.50	1.08	29.1	6.5	1.08	.287	3.45	7.40
18	Randy Johnson R. Johnson	10.57	603	603	301	166	.645	3.30	4,818	100	37	0	4103.0	3,320	1,504	1,692	408	1,491	188	0	37	16,937	109	3.27	3.23	0.89	28.4	8.8	1.17	.290	3.71	7.28
19	Stephen Strasburg S. Strasburg	10.55	247	247	113	62	.646	3.24	1,723	2	2	0	1470.0	1,217	530	582	149	394	53	0	20	5,962	44	2.41	4.37	0.91	28.9	6.6	1.10	.293	3.56	7.45
20	Yu Darvish Y. Darvish	10.50	297	297	115	93	.553	3.65	2,075	2	1	0	1778.0	1,460	721	756	231	563	83	0	8	7,305	83	2.85	3.69	1.17	28.4	7.7	1.14	.282	3.83	7.39
21	Brandon Woodruff B. Woodruff	10.49	127	127	51	28	.646	3.14	837	2	1	0	718.1	559	251	263	82	185	31	0	1	2,880	8	2.32	4.52	1.03	29.1	6.4	1.04	.273	3.30	7.00
22	Danny Salazar D. Salazar	10.46	105	105	38	34	.528	3.84	681	1	1	0	585.2	531	250	267	75	212	15	0	8	2,458	23	3.26	3.21	1.15	27.7	8.6	1.27	.309	4.10	8.16
23	Tarik Skubal T. Skubal	10.45	134	134	54	35	.607	3.07	878	1	1	0	756.0	605	258	283	87	168	25	0	0	3,011	11	2.00	5.23	1.04	29.2	5.6	1.02	.280	3.37	7.20
24	Mark Prior M. Prior	10.37	106	106	42	29	.592	3.51	757	5	1	0	657.0	582	256	277	77	223	31	0	10	2,771	21	3.05	3.39	1.05	27.3	8.0	1.23	.300	3.79	7.97
25	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	7.49