interpreted as: k/9 with a minimum of 1000 ip by a player record

Blake Snell has the best career K/9 when pitching at least 1000 innings, with 11.19 per nine innings.

	NAME	K/9	IP	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	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	Blake Snell B. Snell	11.19	1158.0	222	81	62	.566	222	3.15	1,440	1	1	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	77	3.31	79	6.92	111.7
2	Chris Sale C. Sale	11.14	2084.0	393	145	88	.622	312	3.01	2,579	16	3	12	1,692	697	750	213	487	130	25	15	8,389	48	2.10	5.30	0.92	30.7	5.8	1.05	.297	3.24	70	2.87	68	7.31	303.3
3	Dylan Cease D. Cease	10.91	1015.1	188	65	58	.528	188	3.88	1,231	3	3	0	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	93	3.66	85	7.57	67.6
4	Robbie Ray R. Ray	10.83	1441.0	265	88	81	.521	261	3.94	1,734	2	1	0	1,250	631	674	216	608	51	1	19	6,097	60	3.80	2.85	1.35	28.4	10.0	1.29	.296	4.21	94	4.06	99	7.81	5.1
5	Jacob deGrom J. deGrom	10.82	1539.2	248	96	65	.596	248	2.57	1,851	4	2	0	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	66	2.70	66	6.86	239.4
6	Randy Johnson R. Johnson	10.61	4135.1	618	303	166	.646	603	3.29	4,875	100	37	2	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
7	Max Scherzer M. Scherzer	10.60	2963.0	483	220	117	.653	474	3.22	3,489	12	5	0	2,433	1,059	1,132	354	779	114	2	20	11,987	80	2.37	4.48	1.08	29.1	6.5	1.08	.287	3.44	77	3.23	78	7.39	302.5
8	Stephen Strasburg S. Strasburg	10.55	1470.0	247	113	62	.646	247	3.24	1,723	2	2	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	80	3.01	75	7.45	165.9
9	Yu Darvish Y. Darvish	10.50	1778.0	297	115	93	.553	297	3.65	2,075	2	1	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	87	3.58	85	7.39	120
10	Gerrit Cole G. Cole	10.37	1954.0	317	153	80	.657	317	3.18	2,251	8	5	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
11	Kerry Wood K. Wood	10.32	1380.0	446	86	75	.534	178	3.67	1,582	11	5	63	1,083	563	599	148	666	99	138	22	5,863	64	4.34	2.38	0.97	27.0	11.4	1.27	.278	3.91	86	3.82	87	7.06	84
12	Pedro Martinez P. Martinez	10.04	2827.1	476	219	100	.687	409	2.93	3,154	46	17	3	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
13	Carlos Rodón C. Rodón	9.89	1282.0	231	93	72	.564	226	3.73	1,409	3	1	0	1,085	532	574	159	477	65	1	5	5,378	65	3.35	2.95	1.12	26.2	8.9	1.22	.283	4.03	90	3.83	90	7.62	58.2
14	Nick Pivetta N. Pivetta	9.88	1211.0	254	69	76	.476	209	4.47	1,329	2	0	3	1,107	602	631	197	427	34	13	7	5,107	53	3.17	3.11	1.46	26.0	8.4	1.27	.292	4.69	105	4.22	100	8.23	1.1
15	Aaron Nola A. Nola	9.84	1715.2	285	109	89	.551	285	3.83	1,876	6	4	0	1,522	730	769	217	449	56	0	16	7,039	18	2.36	4.18	1.14	26.7	6.4	1.15	.294	4.03	91	3.50	82	7.98	147.1
16	Trevor Bauer T. Bauer	9.82	1297.2	222	83	69	.546	212	3.79	1,416	6	3	1	1,122	547	592	160	491	66	6	10	5,463	50	3.41	2.88	1.11	25.9	9.0	1.24	.289	4.11	88	3.86	91	7.78	56.9
17	Chris Archer C. Archer	9.64	1357.0	243	63	89	.414	240	3.93	1,454	3	3	0	1,232	592	654	165	476	41	1	8	5,723	72	3.16	3.05	1.09	25.4	8.3	1.26	.297	4.34	98	3.71	92	8.17	47.9
18	Clayton Kershaw C. Kershaw	9.62	2855.1	455	223	96	.699	451	2.53	3,052	25	15	0	2,193	804	881	235	713	46	1	28	11,279	108	2.25	4.28	0.74	27.1	6.3	1.02	.271	2.78	65	2.85	70	6.91	375.1
19	Nolan Ryan N. Ryan	9.55	5386.0	807	324	292	.526	773	3.19	5,714	222	61	3	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
20	Luis Castillo L. Castillo	9.53	1410.2	243	83	84	.497	243	3.55	1,493	1	0	0	1,208	557	608	174	453	48	0	8	5,824	19	2.89	3.30	1.11	25.6	7.8	1.18	.283	3.88	86	3.72	88	7.71	78.1
21	Oliver Perez O. Perez	9.49	1465.2	703	74	94	.440	195	4.37	1,546	3	2	5	1,336	712	783	198	762	88	84	40	6,464	58	4.68	2.03	1.22	23.9	11.8	1.43	.294	4.81	105	4.48	106	8.20	-45
22	Zack Wheeler Z. Wheeler	9.48	1728.1	283	113	75	.601	283	3.28	1,820	5	3	0	1,475	630	683	166	490	76	0	14	7,086	41	2.55	3.71	0.86	25.7	6.9	1.14	.289	3.56	82	3.28	80	7.68	164.6
23	Zac Gallen Z. Gallen	9.47	1007.1	176	66	51	.564	176	3.58	1,060	2	2	0	843	401	425	117	324	36	0	3	4,142	33	2.89	3.27	1.05	25.6	7.8	1.16	.279	3.80	84	3.65	89	7.53	49.1
24	Corey Kluber C. Kluber	9.46	1641.2	271	116	77	.601	260	3.44	1,725	18	8	1	1,486	627	684	177	368	65	4	9	6,688	31	2.02	4.69	0.97	25.8	5.5	1.13	.301	3.75	83	3.22	78	8.15	161.7
25	Trevor Hoffman T. Hoffman	9.36	1089.1	1,035	61	75	.449	0	2.87	1,133	0	0	601	846	347	378	100	307	9	856	58	4,388	49	2.54	3.69	0.83	25.8	7.0	1.06	.263	3.12	71	3.07	73	6.99	143.1