most pitcher seasons with 290 strikeouts

Randy Johnson played the most seasons with 290+ strikeouts, with 9 seasons.

Interpreted as:

most pitcher seasons with 290 or more strikeouts

	NAME	SEAS	SO	G	W	L	W%	GS	ERA	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Randy Johnson R. Johnson	9	2,929	304	173	66	.724	301	2.65	66	27	1	2202.2	1,658	649	739	193	659	102	2	13	8,846	47	11.97	2.69	4.44	0.79	33.1	7.4	1.05	.295	3.02	58	2.58	57	6.77	470.5
2	Nolan Ryan N. Ryan	6	2,048	230	114	92	.553	227	2.89	121	29	1	1765.1	1,178	566	643	92	1,006	49	3	21	7,357	87	10.44	5.13	2.04	0.47	27.8	13.7	1.24	.261	3.28	83	2.75	78	6.01	157.3
3	Curt Schilling C. Schilling	4	1,228	141	77	38	.670	140	3.11	33	6	0	1039.0	899	359	378	114	191	15	0	7	4,136	27	10.64	1.65	6.43	0.99	29.7	4.6	1.05	.303	3.27	72	2.72	63	7.79	183.2
4	Tim Keefe T. Keefe	4	1,325	241	155	76	.671	241	2.27	234	19	0	2071.1	1,664	523	833	25	371	12	0		8,363	103	5.76	1.61	3.57	0.11	15.8	4.4	0.98	.248	3.62	72	2.53	80	7.23	141.5
5	Sandy Koufax S. Koufax	3	1,005	124	78	22	.780	122	1.88	74	24	2	969.2	671	203	232	63	206	8	2	15	3,781	24	9.33	1.91	4.88	0.58	26.6	5.4	0.90	.243	2.15	59	1.95	63	6.23	131.6
6	Amos Rusie A. Rusie	3	982	193	94	85	.525	181	2.65	167	12	2	1590.0	1,237	469	834	16	821	56	12		6,860	77	5.56	4.65	1.20	0.09	14.3	12.0	1.29	.245	4.72	80	3.18	92	7.00	41.9
7	Ed Morris E. Morris	3	926	179	114	57	.667	178	2.34	173	22	1	1566.0	1,249	407	648	13	270		1		6,276	80	5.32	1.55	3.43	0.07	14.8	4.3	0.97	.246	3.72	75	2.57	85	7.18	57.9
8	Justin Verlander J. Verlander	2	590	68	37	15	.712	68	2.55	3	2	0	437.0	293	124	129	64	79	14	0	0	1,680	9	12.15	1.63	7.47	1.32	35.1	4.7	0.85	.245	2.66	59	3.02	70	6.03	64.5
9	Pedro Martinez P. Martinez	2	618	62	40	12	.769	60	1.98	18	5	0	454.2	318	100	121	25	104	18	1	6	1,782	9	12.23	2.06	5.94	0.49	34.7	5.8	0.93	.288	2.40	44	1.91	44	6.29	128.4
10	Roger Clemens R. Clemens	2	583	69	39	19	.672	69	2.49	23	11	0	528.0	421	146	158	26	130	18	0	5	2,107	8	9.94	2.22	4.48	0.44	27.7	6.2	1.04	.293	2.69	58	2.20	53	7.18	116.8
11	J.R. Richard	2	616	74	36	24	.600	74	2.90	35	7	0	567.2	412	183	202	25	239	5	0	9	2,314	35	9.77	3.79	2.58	0.40	26.6	10.3	1.15	.271	3.20	86	2.34	68	6.53	72.4
12	Sam McDowell S. McDowell	2	629	81	37	23	.617	74	2.57	33	4	4	578.0	414	165	188	34	263	13	7	17	2,373	34	9.79	4.10	2.39	0.53	26.5	11.1	1.17	.265	2.93	70	2.60	67	6.45	79.1
13	Walter Johnson W. Johnson	2	616	95	58	29	.667	79	1.38	72	15	3	739.0	521	113	181	3	152	29	16		2,780	32	7.50	1.85	4.05	0.04	22.2	5.5	0.91	.262	2.20	49	1.71	59	6.35	94.8
14	Rube Waddell R. Waddell	2	651	85	46	35	.568	84	2.00	73	12	0	707.0	581	157	218	8	176	22	1		2,787	17	8.29	2.24	3.70	0.10	23.4	6.3	1.07	.297	2.78	70	1.72	62	7.40	83.4
15	Toad Ramsey T. Ramsey	2	854	132	75	54	.581	131	2.93	127	3	0	1149.2	991	374	655	12	374	16	1		4,907	81	6.69	2.93	2.28	0.09	17.4	7.6	1.19	.269	5.13	75	2.89	76	7.76	118.9
16	John Clarkson J. Clarkson	2	621	125	89	33	.730	125	2.09	118	13	0	1089.2	916	253	503	40	183		0		4,401	31	5.13	1.51	3.39	0.33	14.1	4.2	1.01		4.15	64	2.82	84	7.57	80.4
17	Old Hoss Radbourn O. Hoss Radbourn	2	756	151	107	37	.743	141	1.70	139	15	3	1311.0	1,091	248	491	25	154		10		5,212	70	5.19	1.06	4.91	0.17	14.5	3.0	0.95		3.37	58	2.71	86	7.49	49.8
18	Gerrit Cole G. Cole	1	326	33	20	5	.800	33	2.50	0	0	0	212.1	142	59	66	29	48	3	0	0	817	4	13.82	2.03	6.79	1.23	39.9	5.9	0.89	.275	2.80	55	2.63	58	6.02	45
19	Max Scherzer M. Scherzer	1	300	33	18	7	.720	33	2.53	2	1	0	220.2	150	62	66	23	51	12	0	4	866	4	12.24	2.08	5.88	0.94	34.6	5.9	0.91	.265	2.69	62	2.65	64	6.12	36.1
20	Chris Sale C. Sale	1	308	32	17	8	.680	32	2.90	1	0	0	214.1	165	69	73	24	43	8	0	0	851	3	12.93	1.81	7.16	1.01	36.2	5.1	0.97	.301	3.07	63	2.45	56	6.93	45.5
21	Clayton Kershaw C. Kershaw	1	301	33	16	7	.696	33	2.13	4	3	0	232.2	163	55	62	15	42	5	0	1	890	9	11.64	1.62	7.17	0.58	33.8	4.7	0.88	.281	2.40	57	1.98	52	6.31	47.7
22	Mike Scott M. Scott	1	306	37	18	10	.643	37	2.22	7	5	0	275.1	182	68	73	17	72	2	0	6	1,065	3	10.00	2.35	4.25	0.56	28.7	6.8	0.92	.247	2.39	63	2.15	61	5.95	43.6
23	Steve Carlton S. Carlton	1	310	41	27	10	.730	41	1.97	30	8	0	346.1	257	76	84	17	87	1	0	8	1,351	8	8.06	2.26	3.56	0.44	22.9	6.4	0.99	.256	2.18	56	2.00	59	6.68	53.5
24	Vida Blue V. Blue	1	301	39	24	8	.750	39	1.82	24	8	0	312.0	209	63	73	19	88	4	0	3	1,207	10	8.68	2.54	3.42	0.55	24.9	7.3	0.95	.239	2.11	56	2.19	66	6.03	41.4
25	Mickey Lolich M. Lolich	1	308	45	25	14	.641	45	2.92	29	4	0	376.0	336	122	133	36	92	7	0	2	1,538	7	7.37	2.20	3.35	0.86	20.0	6.0	1.14	.274	3.18	83	2.84	78	8.04	32.5