most seasons with 10.5 or more strikeouts per 9 innings by a pitcher all-time

Aroldis Chapman and Craig Kimbrel are tied for playing the most seasons with 10.50+ K/9, with 16 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	16	14.58	862	59	47	.557	0	2.52	1,329	0	0	367	820.1	474	230	255	54	408	33	562	7	3,337	87	4.48	3.26	0.59	39.8	12.2	1.08	.278	2.80	61	2.36	57	5.20	161.3
2	Craig Kimbrel C. Kimbrel	16	14.04	850	56	48	.538	0	2.59	1,280	0	0	440	820.2	492	236	263	75	346	40	655	11	3,303	70	3.79	3.70	0.82	38.8	10.5	1.02	.267	2.88	63	2.61	64	5.40	131.3
3	David Robertson D. Robertson	14	12.12	738	59	39	.602	1	2.92	1,021	0	0	174	758.0	555	246	270	70	307	20	335	31	3,114	49	3.65	3.33	0.83	32.8	9.9	1.14	.286	3.21	70	2.93	69	6.59	107.5
4	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
5	Billy Wagner B. Wagner	12	12.34	704	41	32	.562	0	2.25	1,029	0	0	351	750.1	496	188	209	66	252	29	580	24	2,989	31	3.02	4.08	0.79	34.4	8.4	1.00	.267	2.51	53	2.61	61	5.95	139.7
6	Randy Johnson R. Johnson	12	11.88	351	195	75	.722	342	2.74	3,290	75	31	2	2492.2	1,890	759	857	222	769	114	4	18	10,029	56	2.78	4.28	0.80	32.8	7.7	1.07	.296	3.09	60	2.66	58	6.82	519.7
7	Jake Diekman J. Diekman	10	11.89	531	22	26	.458	0	4.16	600	0	0	15	454.1	376	210	246	45	278	43	94	17	2,034	36	5.51	2.16	0.89	29.5	13.7	1.44	.310	4.87	102	3.91	95	7.45	10.1
8	Chris Sale C. Sale	10	12.07	240	97	53	.647	219	2.96	1,835	5	1	4	1368.2	1,090	450	489	138	315	90	8	3	5,509	30	2.07	5.83	0.91	33.3	5.7	1.03	.304	3.22	68	2.67	64	7.17	229.3
9	Max Scherzer M. Scherzer	10	11.58	271	126	63	.667	262	2.83	2,169	11	4	0	1686.1	1,285	531	566	195	393	73	2	16	6,717	33	2.10	5.52	1.04	32.3	5.9	1.00	.280	3.02	68	2.90	69	6.86	239.4
10	Armando Benitez A. Benitez	10	12.14	503	26	28	.481	0	3.08	698	0	0	176	517.2	337	177	189	64	275	15	335	21	2,152	13	4.78	2.54	1.11	32.4	12.8	1.18	.248	3.29	70	3.68	82	5.86	45.9
11	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
12	Edwin Díaz E. Díaz	9	14.62	517	28	36	.438	0	2.85	837	0	0	252	515.1	355	163	176	54	182	39	393	9	2,092	33	3.18	4.60	0.94	40.0	8.7	1.04	.307	3.07	70	2.55	61	6.20	92.9
13	Adam Ottavino A. Ottavino	9	11.67	408	26	23	.531	0	3.04	488	0	0	22	376.1	274	127	137	35	176	28	90	13	1,574	35	4.21	2.77	0.84	31.0	11.2	1.20	.282	3.28	69	3.40	79	6.55	37.3
14	Kirby Yates K. Yates	9	12.61	443	29	24	.547	0	3.11	596	0	0	98	425.1	303	147	161	51	169	28	198	13	1,758	16	3.58	3.53	1.08	33.9	9.6	1.11	.276	3.41	75	3.32	79	6.41	41.7
15	Andrew Miller A. Miller	9	13.51	476	34	26	.567	0	2.51	651	0	0	63	433.2	277	121	135	39	152	37	133	6	1,756	17	3.15	4.28	0.81	37.1	8.7	0.99	.271	2.80	60	2.61	62	5.75	74.3
16	Tyler Glasnow T. Glasnow	8	11.75	144	41	27	.603	110	3.37	869	0	0	0	665.2	469	249	259	79	232	8	9	3	2,662	58	3.14	3.75	1.07	32.6	8.7	1.05	.265	3.50	82	3.19	77	6.34	72.8
17	Blake Snell B. Snell	8	11.71	179	70	47	.598	179	2.99	1,223	1	1	0	939.2	685	312	331	91	411	11	0	5	3,843	72	3.94	2.98	0.87	31.8	10.7	1.17	.282	3.17	73	3.18	76	6.56	103.6
18	Jacob deGrom J. deGrom	8	11.90	142	54	35	.607	142	2.40	1,174	3	1	0	887.2	643	237	264	82	191	16	0	9	3,456	16	1.94	6.15	0.83	34.0	5.5	0.94	.281	2.68	60	2.42	58	6.52	174.7
19	Rich Hill R. Hill	8	11.10	154	31	18	.633	62	2.96	480	2	1	0	389.1	287	128	139	38	146	28	9	10	1,595	10	3.38	3.29	0.88	30.1	9.2	1.11	.276	3.21	71	3.26	78	6.63	39.9
20	José Alvarado J. Alvarado	7	12.25	307	17	19	.472	1	3.31	377	0	0	39	277.0	217	102	124	19	158	12	76	17	1,205	33	5.13	2.39	0.62	31.3	13.1	1.35	.310	4.03	79	3.18	75	7.05	32.5
21	Tanner Scott T. Scott	7	11.97	358	31	24	.564	0	3.70	463	0	0	54	348.0	286	143	162	27	192	18	128	12	1,512	23	4.97	2.41	0.70	30.6	12.7	1.37	.319	4.19	86	3.33	78	7.40	36.9
22	Andrew Chafin A. Chafin	7	11.05	384	13	15	.464	0	3.97	370	0	0	13	301.1	278	133	151	30	133	10	66	9	1,302	18	3.97	2.78	0.90	28.4	10.2	1.36	.327	4.51	93	3.43	82	8.30	25.8
23	Héctor Neris H. Neris	7	11.87	403	23	28	.451	0	3.75	506	0	0	61	383.2	307	160	180	51	148	21	166	11	1,606	28	3.47	3.42	1.20	31.5	9.2	1.19	.291	4.22	91	3.57	84	7.20	29.3
24	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
25	Ken Giles K. Giles	7	12.72	307	14	15	.483	0	2.39	431	0	0	89	305.0	229	81	93	22	107	4	166	5	1,242	22	3.16	4.03	0.65	34.7	8.6	1.10	.305	2.74	58	2.35	56	6.76	61.6