what pitcher since 1937 has the most seasons with 270+ strikeouts

Since 1937, Randy Johnson has played the most seasons with 270+ strikeouts, with 9 seasons.

	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	7	2,318	264	122	108	.530	261	2.87	121	29	1	1977.0	1,332	631	718	106	1,093	53	3	23	8,230	97	10.55	4.98	2.12	0.48	28.2	13.3	1.23	.263	3.27	81	2.72	76	6.06	191.8
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	Steve Carlton S. Carlton	4	1,157	154	89	46	.659	154	2.60	70	20	0	1229.2	1,030	355	402	69	347	7	0	35	4,955	47	8.47	2.54	3.33	0.51	23.4	7.0	1.12	.285	2.94	71	2.35	65	7.54	167.6
5	Sam McDowell S. McDowell	4	1,191	158	70	51	.579	149	2.48	62	11	5	1132.0	817	312	377	60	475	30	8	35	4,637	55	9.47	3.78	2.51	0.48	25.7	10.2	1.14	.263	3.00	69	2.44	66	6.50	156.9
6	Max Scherzer M. Scherzer	3	860	100	52	26	.667	100	2.76	7	4	0	677.2	491	208	217	81	141	23	0	8	2,667	16	11.42	1.87	6.10	1.08	32.2	5.3	0.93	.262	2.88	67	2.88	71	6.52	86.3
7	Pedro Martinez P. Martinez	3	902	91	58	18	.763	89	1.90	25	9	0	671.2	446	142	165	42	136	32	1	6	2,599	10	12.09	1.82	6.63	0.56	34.7	5.2	0.87	.272	2.21	41	1.99	45	5.98	190
8	Roger Clemens R. Clemens	3	854	102	59	25	.702	102	2.54	28	14	0	762.2	590	215	236	37	218	25	0	5	3,068	14	10.08	2.57	3.92	0.44	27.8	7.1	1.06	.286	2.78	58	2.34	55	6.96	166.1
9	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
10	Gerrit Cole G. Cole	2	602	65	35	10	.778	65	2.68	1	1	0	412.2	285	123	134	48	112	10	0	0	1,616	13	13.13	2.44	5.38	1.05	37.3	6.9	0.96	.281	2.92	63	2.66	62	6.22	77.7
11	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
12	Chris Sale C. Sale	2	582	63	30	19	.612	63	3.15	2	0	0	423.0	350	148	161	47	85	21	0	0	1,705	10	12.38	1.81	6.85	1.00	34.1	5.0	1.03	.312	3.43	74	2.58	61	7.45	77.3
13	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
14	Tom Seaver T. Seaver	2	572	73	38	22	.633	71	2.29	40	6	0	577.0	440	147	164	39	144	8	2	10	2,276	11	8.92	2.25	3.97	0.61	25.1	6.3	1.01	.265	2.56	62	2.23	63	6.86	85
15	Fergie Jenkins F. Jenkins	2	547	83	43	31	.581	81	3.30	47	10	1	624.1	549	229	250	57	131	15	2	21	2,540	16	7.89	1.89	4.18	0.82	21.5	5.2	1.09	.275	3.60	79	2.70	68	7.91	85.1
16	Mickey Lolich M. Lolich	2	579	82	44	25	.638	81	3.02	44	5	1	656.2	550	220	244	58	214	21	1	12	2,710	21	7.94	2.93	2.71	0.79	21.4	7.9	1.16	.268	3.34	84	2.93	79	7.54	56.1
17	Bob Gibson B. Gibson	2	544	72	43	19	.694	70	3.10	43	9	1	593.0	505	204	221	47	191	15	1	15	2,446	13	8.26	2.90	2.85	0.71	22.2	7.8	1.17	.278	3.35	78	2.81	75	7.66	64
18	Spencer Strider S. Strider	1	281	32	19	5	.792	32	3.86	0	0	0	186.2	146	80	85	22	58	9	0	1	763	6	13.55	2.80	4.84	1.06	36.8	7.6	1.09	.316	4.10	87	2.85	66	7.04	30.3
19	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
20	David Price D. Price	1	271	34	15	12	.556	34	3.26	3	0	0	248.1	230	90	100	25	38	5	0	1	1,009	2	9.82	1.38	7.13	0.91	26.9	3.8	1.08	.306	3.62	87	2.77	75	8.34	26.2
21	Yu Darvish Y. Darvish	1	277	32	13	9	.591	32	2.83	0	0	0	209.2	145	66	68	26	80	8	0	1	841	7	11.89	3.43	3.46	1.12	32.9	9.5	1.07	.264	2.92	67	3.27	80	6.22	18.5
22	John Smoltz J. Smoltz	1	276	35	24	8	.750	35	2.94	6	2	0	253.2	199	83	93	19	55	2	0	3	995	10	9.79	1.95	5.02	0.67	27.7	5.5	1.00	.280	3.30	69	2.63	60	7.06	48.4
23	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
24	Dwight Gooden D. Gooden	1	276	31	17	9	.654	31	2.60	7	3	0	218.0	161	63	72	7	73	2	0	2	879	3	11.39	3.01	3.78	0.29	31.4	8.3	1.07	.296	2.97	74	1.68	48	6.65	44.6
25	Mario Soto M. Soto	1	274	35	14	13	.519	34	2.79	13	2	0	257.2	202	80	88	19	71	4	1	3	1,033	6	9.57	2.48	3.86	0.66	26.5	6.9	1.06	.275	3.07	75	2.41	66	7.06	34.7