which pitcher has the highest career strikeouts per nine innings minimum of 900 ip

Kenley Jansen has the highest career K/9 when pitching at least 900 innings, with 12.30 per nine innings.

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Regular season

	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	Kenley Jansen K. Jansen	12.30	972.1	984	58	46	.558	0	2.60	1,329	0	0	497	634	281	302	95	305	33	739	21	3,860	22	2.82	4.36	0.88	34.4	7.9	0.97	.257	2.80	66	2.71	67	5.87	144.6
2	Billy Wagner B. Wagner	11.92	903.0	853	47	40	.540	0	2.31	1,196	0	0	422	601	232	262	82	300	33	703	26	3,600	43	2.99	3.99	0.82	33.2	8.3	1.00	.261	2.61	54	2.72	63	5.99	159
3	Blake Snell B. Snell	11.21	1200.2	231	85	63	.574	231	3.10	1,495	1	1	0	922	414	450	111	537	12	0	6	4,964	87	4.03	2.78	0.83	30.1	10.8	1.22	.289	3.37	76	3.25	78	6.91	123.8
4	Dylan Cease D. Cease	11.17	1184.1	217	76	64	.543	217	3.67	1,470	4	4	0	962	483	536	132	508	38	0	9	4,989	60	3.86	2.89	1.00	29.5	10.2	1.24	.292	4.07	88	3.50	82	7.31	98
5	Chris Sale C. Sale	11.13	2246.2	420	159	97	.621	339	2.95	2,779	17	4	12	1,821	736	794	223	518	145	25	15	9,037	48	2.08	5.36	0.89	30.8	5.7	1.04	.297	3.18	69	2.83	68	7.29	337.1
6	Jacob deGrom J. deGrom	10.85	1702.1	279	107	76	.585	279	2.73	2,052	4	2	0	1,312	516	553	166	391	27	0	16	6,713	35	2.07	5.25	0.88	30.6	5.8	1.00	.281	2.92	69	2.74	67	6.94	256.5
7	Octavio Dotel O. Dotel	10.82	951.0	758	59	50	.541	34	3.78	1,143	0	0	109	765	399	431	117	412	41	305	39	4,024	46	3.90	2.77	1.11	28.4	10.2	1.24	.280	4.08	86	3.69	84	7.24	73.6
8	Freddy Peralta F. Peralta	10.71	1100.0	243	80	53	.602	194	3.71	1,309	1	0	1	855	454	483	141	423	56	6	3	4,583	38	3.46	3.09	1.15	28.6	9.2	1.16	.269	3.95	89	3.75	89	7.00	54.6
9	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
10	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
11	Francisco Rodriguez F. Rodriguez	10.53	976.0	948	52	53	.495	0	2.86	1,142	0	0	437	738	310	336	98	389	17	677	42	4,011	68	3.59	2.94	0.90	28.5	9.7	1.15	.271	3.10	69	3.30	79	6.81	97
12	Max Scherzer M. Scherzer	10.50	3047.2	501	224	126	.640	492	3.29	3,557	12	5	0	2,511	1,113	1,186	369	814	116	2	20	12,351	83	2.40	4.37	1.09	28.8	6.6	1.09	.286	3.50	79	3.28	79	7.42	294.2
13	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
14	Robbie Ray R. Ray	10.50	1606.2	296	101	89	.532	291	3.90	1,874	2	1	0	1,390	697	748	238	692	53	1	19	6,799	66	3.88	2.71	1.33	27.6	10.2	1.30	.292	4.19	93	4.13	101	7.79	-5.1
15	Tarik Skubal T. Skubal	10.46	925.1	163	66	44	.600	160	3.02	1,075	1	1	0	740	310	339	104	199	31	1	0	3,676	12	1.94	5.40	1.01	29.2	5.4	1.01	.281	3.30	73	3.03	73	7.20	115.8
16	Corbin Burnes C. Burnes	10.32	978.1	213	63	38	.624	152	3.20	1,122	0	0	2	768	348	383	109	284	38	16	3	3,961	43	2.61	3.95	1.00	28.3	7.2	1.08	.274	3.52	76	3.31	79	7.07	96.1
17	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
18	Gerrit Cole G. Cole	10.30	2081.0	339	163	89	.647	339	3.20	2,382	8	5	0	1,742	741	792	239	525	63	0	7	8,380	58	2.27	4.54	1.03	28.4	6.3	1.09	.291	3.43	79	3.20	78	7.53	217.3
19	Jack Flaherty J. Flaherty	10.28	1079.0	210	66	64	.508	203	3.85	1,233	0	0	0	917	462	492	146	393	61	0	11	4,516	40	3.28	3.14	1.22	27.3	8.7	1.21	.287	4.10	94	3.90	94	7.65	32.3
20	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
21	Shane Bieber S. Bieber	9.96	939.0	154	71	36	.664	152	3.31	1,039	5	2	0	841	345	367	112	219	19	1	1	3,816	35	2.10	4.74	1.07	27.2	5.7	1.13	.300	3.52	78	3.26	77	8.06	101
22	Nick Pivetta N. Pivetta	9.91	1245.2	262	72	78	.480	217	4.43	1,371	2	0	3	1,134	613	642	199	435	35	13	7	5,247	54	3.14	3.15	1.44	26.1	8.3	1.26	.292	4.64	104	4.17	99	8.19	8
23	Carlos Rodón C. Rodón	9.88	1366.1	247	100	75	.571	242	3.67	1,500	3	1	0	1,136	557	604	166	515	67	1	5	5,718	68	3.39	2.91	1.09	26.2	9.0	1.21	.280	3.98	89	3.80	90	7.48	63.7
24	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
25	Aaron Nola A. Nola	9.77	1891.0	318	116	101	.535	318	3.91	2,053	6	4	0	1,699	821	862	254	508	58	0	18	7,783	20	2.42	4.04	1.21	26.4	6.5	1.17	.294	4.10	92	3.63	85	8.09	137.8

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