most seasons with 11.2 or more strikeouts per 9 innings by a pitcher all-time

Aroldis Chapman has played the most seasons with 11.20+ K/9, with 15 seasons.

	NAME	SEAS	K/9	G	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	ERA-	FIP	FIP-	H/9	PRAA
1	Aroldis Chapman A. Chapman	15	14.83	803	54	42	.563	0	2.46	1,268	0	0	347	769.1	444	210	235	50	378	32	529	7	3,124	78	4.42	3.35	0.58	40.6	12.1	1.07	.282	2.75	59	2.28	55	5.19	158.6
2	Craig Kimbrel C. Kimbrel	14	14.32	774	50	40	.556	0	2.50	1,193	0	0	418	749.2	431	208	228	69	311	35	604	9	2,997	63	3.73	3.84	0.83	39.8	10.4	0.99	.261	2.74	61	2.53	62	5.17	126.6
3	Kenley Jansen K. Jansen	12	13.23	698	41	23	.641	0	2.40	1,025	0	0	353	697.1	441	186	197	58	209	26	514	14	2,751	18	2.70	4.90	0.75	37.3	7.6	0.93	.267	2.54	62	2.27	57	5.69	135
4	David Robertson D. Robertson	10	12.49	571	42	30	.583	1	2.68	811	0	0	118	584.1	403	174	191	50	228	16	240	22	2,377	37	3.51	3.56	0.77	34.1	9.6	1.08	.278	2.94	65	2.71	64	6.21	95.9
5	Josh Hader J. Hader	9	14.56	468	34	31	.523	0	2.64	829	0	0	226	512.1	282	150	164	65	198	24	321	6	2,019	19	3.48	4.19	1.14	41.1	9.8	0.94	.240	2.88	64	2.88	69	4.95	75.7
6	Edwin Díaz E. Díaz	9	14.60	503	27	35	.435	0	2.87	808	0	0	248	498.0	344	159	172	53	178	39	381	9	2,026	32	3.22	4.54	0.96	39.9	8.8	1.05	.307	3.11	71	2.60	62	6.22	87.2
7	Randy Johnson R. Johnson	9	12.31	258	147	47	.758	250	2.65	2,488	52	22	1	1819.2	1,396	535	607	168	554	82	3	14	7,328	40	2.74	4.49	0.83	34.0	7.6	1.07	.304	3.00	58	2.60	57	6.90	393.9
8	Andrew Miller A. Miller	8	13.59	460	33	25	.569	0	2.50	635	0	0	59	420.2	268	117	131	39	147	34	128	6	1,701	15	3.15	4.32	0.83	37.3	8.6	0.99	.271	2.80	59	2.61	63	5.73	71.7
9	Billy Wagner B. Wagner	8	13.27	445	30	24	.556	0	2.23	697	0	0	217	472.2	307	117	132	40	179	20	357	9	1,901	16	3.41	3.89	0.76	36.7	9.4	1.03	.277	2.51	53	2.52	60	5.85	90.4
10	Kirby Yates K. Yates	7	13.21	354	27	21	.563	0	2.64	496	0	0	97	338.0	220	99	112	39	130	21	170	9	1,374	13	3.46	3.82	1.04	36.1	9.5	1.04	.263	2.98	63	3.08	73	5.86	42.9
11	Robbie Ray R. Ray	7	11.82	168	59	44	.573	167	3.96	1,195	1	1	0	910.0	771	400	426	148	408	32	0	16	3,867	43	4.04	2.93	1.46	30.9	10.6	1.30	.299	4.21	90	4.10	97	7.63	11.6
12	Adam Ottavino A. Ottavino	7	12.10	279	18	17	.514	0	2.87	346	0	0	19	257.1	178	82	92	21	121	19	60	9	1,073	20	4.23	2.86	0.73	32.2	11.3	1.16	.277	3.22	66	3.17	73	6.23	32.4
13	Dellin Betances D. Betances	7	14.70	356	21	22	.488	0	2.33	619	0	0	36	379.0	227	98	111	26	164	24	84	5	1,533	26	3.89	3.77	0.62	40.4	10.7	1.03	.287	2.64	56	2.25	53	5.39	81.4
14	Jake Diekman J. Diekman	7	12.25	382	19	23	.452	0	4.15	452	0	0	12	332.0	270	153	182	35	206	34	70	14	1,486	31	5.58	2.19	0.95	30.4	13.9	1.43	.310	4.93	103	3.96	97	7.32	4.5
15	Chris Sale C. Sale	7	12.44	180	73	42	.635	159	2.95	1,408	3	1	4	1018.2	809	334	360	100	231	63	8	0	4,098	23	2.04	6.10	0.88	34.4	5.6	1.02	.309	3.18	68	2.53	60	7.15	190.9
16	Armando Benitez A. Benitez	7	12.96	324	18	19	.486	0	2.70	470	0	0	98	326.1	195	98	104	36	173	6	201	13	1,336	4	4.77	2.72	0.99	35.2	12.9	1.13	.244	2.87	60	3.32	73	5.38	45.4
17	Devin Williams D. Williams	6	14.16	277	30	15	.667	0	2.36	420	0	0	85	267.0	146	70	85	18	125	13	124	4	1,077	16	4.21	3.36	0.61	39.0	11.6	1.01	.255	2.87	57	2.44	57	4.92	53.4
18	Jacob deGrom J. deGrom	6	12.77	79	29	16	.644	79	2.24	666	1	1	0	469.1	311	117	129	44	86	9	0	1	1,794	7	1.65	7.74	0.84	37.1	4.8	0.85	.270	2.47	55	2.17	51	5.96	109
19	Tyler Glasnow T. Glasnow	6	12.15	82	35	17	.673	82	3.16	630	0	0	0	466.2	327	164	171	54	137	1	0	0	1,841	41	2.64	4.60	1.04	34.2	7.4	0.99	.268	3.30	77	2.88	69	6.31	68.2
20	Blake Snell B. Snell	6	12.00	137	44	38	.537	137	3.33	930	1	1	0	697.2	522	258	269	72	321	10	0	2	2,889	52	4.14	2.90	0.93	32.2	11.1	1.21	.289	3.47	82	3.28	78	6.73	70.2
21	Andrés Muñoz A. Muñoz	6	12.22	246	12	21	.364	0	2.41	330	0	0	67	243.0	153	65	77	17	98	14	109	12	976	18	3.63	3.37	0.63	33.8	10.0	1.03	.263	2.85	62	2.73	68	5.67	34.7
22	José Alvarado J. Alvarado	6	12.62	235	10	17	.370	1	2.97	302	0	0	34	215.1	168	71	89	11	108	4	65	12	924	23	4.51	2.80	0.46	32.7	11.7	1.28	.315	3.72	71	2.58	61	7.02	38.6
23	Austin Adams A. Adams	6	13.06	184	6	7	.462	2	4.19	221	0	0	0	152.1	109	71	80	11	92	44	32	4	689	18	5.44	2.40	0.65	32.1	13.4	1.32	.305	4.73	102	3.90	93	6.44	5.3
24	Héctor Neris H. Neris	6	12.10	332	17	24	.415	0	3.68	427	0	0	58	317.2	255	130	148	47	131	15	140	11	1,338	22	3.71	3.26	1.33	31.9	9.8	1.22	.290	4.19	88	3.77	87	7.22	19.3
25	Ken Giles K. Giles	6	13.17	238	8	12	.400	0	2.57	344	0	0	74	235.0	170	67	70	20	82	3	138	3	944	21	3.14	4.20	0.77	36.4	8.7	1.07	.303	2.68	62	2.42	57	6.51	47.4