starting pitcher with 15+ games with highest k/9 in a season

Jacob deGrom has the best K/9 by a starting pitcher with 15+ games pitched in a season, with 14.28 per nine innings in 2021.

	NAME	K/9	G	SEASON	TM	W	L	W%	GS	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	Jacob deGrom J. deGrom	14.28	15	2021	NYM	7	2	.778	15	1.08	146	1	1	0	92.0	40	11	14	6	11	1	0	0	324	0	1.08	13.27	0.59	45.1	3.4	0.55	.213	1.37	3.91
2	Spencer Strider S. Strider	13.84	20	2022	ATL	10	4	.714	20	2.77	165	0	0	0	107.1	72	33	36	7	34	3	0	1	433	5	2.85	4.85	0.59	38.1	7.9	0.99	.290	3.02	6.04
3	Gerrit Cole G. Cole	13.82	33	2019	HOU	20	5	.800	33	2.50	326	0	0	0	212.1	142	59	66	29	48	3	0	0	817	4	2.03	6.79	1.23	39.9	5.9	0.89	.275	2.80	6.02
4	Spencer Strider S. Strider	13.55	32	2023	ATL	19	5	.792	32	3.86	281	0	0	0	186.2	146	80	85	22	58	9	0	1	763	6	2.80	4.84	1.06	36.8	7.6	1.09	.316	4.10	7.04
5	Chris Sale C. Sale	13.50	27	2018	BOS	12	4	.750	27	2.11	237	0	0	0	158.0	102	37	39	11	34	14	0	0	617	4	1.94	6.97	0.63	38.4	5.5	0.86	.283	2.22	5.81
6	Ryne Stanek R. Stanek	13.37	25	2018	TBR	0	1	.000	25	2.78	53	0	0	0	35.2	25	11	11	6	12	1	0	0	142	1	3.03	4.42	1.51	37.3	8.5	1.04	.271	2.78	6.31
7	Chris Sale C. Sale	13.32	25	2019	BOS	6	11	.353	25	4.40	218	1	1	0	147.1	123	72	80	24	37	13	0	0	612	2	2.26	5.89	1.47	35.6	6.0	1.09	.309	4.89	7.51
8	Pedro Martinez P. Martinez	13.22	29	1999	BOS	22	4	.846	29	2.07	306	5	1	0	208.1	157	48	55	8	36	8	0	1	816	6	1.56	8.50	0.35	37.5	4.4	0.93	.325	2.38	6.78
9	Randy Johnson R. Johnson	13.20	34	2001	ARI	20	6	.769	34	2.56	356	3	2	0	242.2	180	69	74	19	70	18	0	2	971	8	2.60	5.09	0.70	36.7	7.2	1.03	.317	2.74	6.68
10	Chris Sale C. Sale	12.93	32	2017	BOS	17	8	.680	32	2.90	308	1	0	0	214.1	165	69	73	24	43	8	0	0	851	3	1.81	7.16	1.01	36.2	5.1	0.97	.301	3.07	6.93
11	Garrett Crochet G. Crochet	12.88	31	2024	CWS	6	12	.333	31	3.58	209	0	0	0	146.0	123	58	61	18	33	5	0	0	595	3	2.03	6.33	1.11	35.1	5.5	1.07	.318	3.76	7.58
12	Danny Salazar D. Salazar	12.76	19	2017	CLE	5	6	.455	19	4.44	138	0	0	0	97.1	89	48	50	14	43	3	0	0	415	5	3.98	3.21	1.29	33.3	10.4	1.36	.346	4.62	8.23
13	Max Scherzer M. Scherzer	12.69	27	2019	WSH	11	7	.611	27	2.92	243	0	0	0	172.1	144	56	59	18	33	7	0	2	693	0	1.72	7.36	0.94	35.1	4.8	1.03	.321	3.08	7.52
14	Randy Johnson R. Johnson	12.68	34	2000	ARI	19	6	.760	34	2.56	347	8	3	0	246.1	196	70	83	23	74	6	0	1	985	5	2.70	4.69	0.84	35.2	7.5	1.10	.323	3.03	7.16
15	Corbin Burnes C. Burnes	12.61	28	2021	MIL	11	5	.688	28	2.43	234	0	0	0	167.0	123	45	47	7	34	6	0	0	657	5	1.83	6.88	0.38	35.6	5.2	0.94	.309	2.53	6.63
16	Kerry Wood K. Wood	12.58	26	1998	CHC	13	6	.684	26	3.40	233	1	1	0	166.2	117	63	69	14	85	11	0	1	699	6	4.59	2.74	0.76	33.3	12.2	1.21	.289	3.73	6.32
17	Pedro Martinez P. Martinez	12.57	18	2001	BOS	7	3	.700	18	2.39	163	1	0	0	116.2	84	31	33	5	25	6	0	0	456	4	1.93	6.52	0.39	35.7	5.5	0.93	.307	2.55	6.48
18	Carlos Rodón C. Rodón	12.55	24	2021	CWS	13	5	.722	24	2.37	185	1	1	0	132.2	91	35	39	13	36	8	0	1	534	7	2.44	5.14	0.88	34.6	6.7	0.96	.267	2.65	6.17
19	Blake Snell B. Snell	12.55	20	2024	SFG	5	3	.625	20	3.12	145	1	1	0	104.0	65	36	38	6	44	1	0	0	418	8	3.81	3.30	0.52	34.7	10.5	1.05	.266	3.29	5.63
20	Jose Fernandez J. Fernandez	12.49	29	2016	MIA	16	8	.667	29	2.86	253	0	0	0	182.1	149	58	63	13	55	6	0	6	737	9	2.71	4.60	0.64	34.3	7.5	1.12	.332	3.11	7.35
21	Shane Bieber S. Bieber	12.48	16	2021	CLE	7	4	.636	16	3.17	134	0	0	0	96.2	84	34	36	11	33	4	0	0	405	5	3.07	4.06	1.02	33.1	8.1	1.21	.327	3.35	7.82
22	Blake Snell B. Snell	12.40	22	2019	TBR	6	7	.462	22	3.80	147	0	0	0	106.2	94	45	47	13	36	1	0	1	434	11	3.04	4.08	1.10	33.9	8.3	1.22	.342	3.97	7.93
23	Gerrit Cole G. Cole	12.40	32	2018	HOU	15	5	.750	32	2.88	276	1	1	0	200.1	143	64	68	19	64	7	0	0	799	9	2.88	4.31	0.85	34.5	8.0	1.03	.286	3.05	6.42
24	Randy Johnson R. Johnson	12.35	30	1995	SEA	18	2	.900	30	2.48	294	6	3	0	214.1	159	59	65	12	65	6	0	1	866	5	2.73	4.52	0.50	33.9	7.5	1.05	.301	2.73	6.68
25	Randy Johnson R. Johnson	12.28	29	1997	SEA	19	4	.826	29	2.30	288	5	2	0	211.0	145	54	60	20	77	10	0	2	842	4	3.28	3.74	0.85	34.2	9.1	1.05	.280	2.56	6.18