most seasons with a k/9 over 9 and 30+ starts live ball era

Since 1920, Nolan Ryan has played the most seasons with more than 9.00 K/9 and 30+ starts, with 13 seasons.

Interpreted as:

most seasons by a player with a k/9 over 9 and 30+ starts live ball era

	NAME	SEAS	K/9	GS	G	W	L	W%	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	Nolan Ryan N. Ryan	13	10.21	449	452	197	174	.531	3.10	3,652	167	42	1	3220.0	2,269	1,109	1,262	195	1,667	84	3	48	13,412	159	4.66	2.19	0.55	27.2	12.4	1.22	.265	3.53	87	2.82	78	6.34	289.3
2	Randy Johnson R. Johnson	10	11.64	336	338	178	86	.674	2.89	3,107	69	28	1	2401.1	1,816	772	879	201	878	122	2	12	9,807	68	3.29	3.54	0.75	31.7	9.0	1.12	.294	3.29	66	2.77	63	6.81	438.1
3	Max Scherzer M. Scherzer	9	11.00	288	288	147	62	.703	2.99	2,261	11	5	0	1850.1	1,429	615	661	205	474	69	0	14	7,408	45	2.31	4.77	1.00	30.5	6.4	1.03	.278	3.22	72	3.00	73	6.95	226.1
4	Charlie Morton C. Morton	6	10.41	187	187	76	43	.639	3.60	1,212	0	0	0	1048.0	873	419	451	114	390	93	0	4	4,386	24	3.35	3.11	0.98	27.6	8.9	1.21	.295	3.87	85	3.66	88	7.50	59.6
5	Justin Verlander J. Verlander	6	10.48	203	203	104	49	.680	2.94	1,571	14	4	0	1349.0	1,045	440	470	160	331	37	0	12	5,370	30	2.21	4.75	1.07	29.3	6.2	1.02	.271	3.14	68	3.17	73	6.97	174.5
6	Dylan Cease D. Cease	5	11.26	162	162	56	47	.544	3.72	1,106	3	3	0	884.0	726	365	401	94	361	28	0	7	3,723	50	3.68	3.06	0.96	29.7	9.7	1.23	.296	4.08	90	3.36	80	7.39	82
7	Gerrit Cole G. Cole	5	11.87	161	161	79	30	.725	2.93	1,324	5	4	0	1003.2	747	327	348	125	251	21	0	0	3,956	24	2.25	5.27	1.12	33.5	6.3	0.99	.278	3.12	71	2.97	70	6.70	145.7
8	Aaron Nola A. Nola	5	10.08	163	163	61	44	.581	3.68	1,113	3	2	0	994.0	836	406	423	121	251	37	0	8	4,032	11	2.27	4.43	1.10	27.6	6.2	1.09	.285	3.83	87	3.39	78	7.57	101
9	Robbie Ray R. Ray	5	10.83	161	161	56	50	.528	3.86	1,099	1	0	0	913.1	796	392	419	141	342	26	0	9	3,826	32	3.37	3.21	1.39	28.7	8.9	1.25	.295	4.13	92	3.96	97	7.84	13.9
10	Jacob deGrom J. deGrom	5	10.52	155	155	62	43	.590	2.61	1,153	2	0	0	986.0	757	286	310	99	224	19	0	11	3,886	20	2.04	5.15	0.90	29.7	5.8	0.99	.275	2.83	66	2.86	69	6.91	140.2
11	Yu Darvish Y. Darvish	5	10.68	154	154	53	48	.525	3.56	1,111	0	0	0	936.0	730	370	381	136	275	45	0	4	3,790	43	2.64	4.04	1.31	29.3	7.3	1.07	.267	3.66	85	3.67	87	7.02	56.5
12	Clayton Kershaw C. Kershaw	5	9.89	161	162	72	39	.649	2.50	1,175	12	8	0	1069.0	786	297	326	66	331	21	1	21	4,252	36	2.79	3.55	0.56	27.6	7.8	1.04	.271	2.74	66	2.67	68	6.62	147.4
13	Tim Lincecum T. Lincecum	5	9.84	164	165	72	51	.585	3.22	1,167	8	5	0	1067.2	903	382	410	77	404	27	0	18	4,455	63	3.41	2.89	0.65	26.2	9.1	1.22	.297	3.46	84	3.04	78	7.61	106.8
14	Pedro Martinez P. Martinez	5	10.10	160	160	85	38	.691	2.92	1,244	23	8	0	1108.0	872	359	408	100	305	51	0	12	4,489	23	2.48	4.08	0.81	27.7	6.8	1.06	.277	3.31	65	2.97	69	7.08	165.6
15	Roger Clemens R. Clemens	5	9.81	169	169	87	42	.674	2.83	1,329	34	16	0	1219.2	975	384	418	71	403	35	0	12	4,978	27	2.97	3.30	0.52	26.7	8.1	1.13	.288	3.08	62	2.69	60	7.19	236.8
16	Corey Kluber C. Kluber	4	9.76	131	131	65	41	.613	2.98	963	12	4	0	887.2	745	294	321	83	187	27	0	7	3,539	16	1.90	5.15	0.84	27.2	5.3	1.05	.290	3.25	71	2.91	71	7.55	115.9
17	Zack Wheeler Z. Wheeler	4	9.90	128	128	54	34	.614	3.11	870	4	3	0	790.2	643	273	300	70	216	36	0	4	3,217	24	2.46	4.03	0.80	27.0	6.7	1.09	.283	3.41	78	3.08	75	7.32	93.6
18	Chris Sale C. Sale	4	10.84	125	125	58	43	.574	3.18	1,041	12	2	0	864.0	724	305	330	97	176	52	0	4	3,478	20	1.83	5.91	1.01	29.9	5.1	1.04	.297	3.44	76	2.96	71	7.54	118.4
19	Jon Lester J. Lester	4	9.44	128	128	61	40	.604	3.10	877	6	1	0	836.0	730	288	320	66	242	25	0	0	3,417	23	2.61	3.62	0.71	25.7	7.1	1.16	.301	3.44	74	2.99	75	7.86	95.3
20	Johan Santana J. Santana	4	9.70	134	134	70	32	.686	2.89	983	6	4	0	912.1	705	293	314	103	198	18	0	1	3,592	26	1.95	4.96	1.02	27.4	5.5	0.99	.263	3.10	65	3.13	72	6.95	122.8
21	Curt Schilling C. Schilling	4	10.64	140	141	77	38	.670	3.11	1,228	33	6	0	1039.0	899	359	378	114	191	15	0	7	4,136	27	1.65	6.43	0.99	29.7	4.6	1.05	.303	3.27	72	2.72	63	7.79	183.2
22	David Cone D. Cone	4	9.42	129	131	65	41	.613	3.20	944	21	9	0	901.2	768	321	359	69	308	33	1	11	3,747	45	3.07	3.06	0.69	25.2	8.2	1.19	.292	3.58	84	2.92	76	7.67	95.3
23	Freddy Peralta F. Peralta	3	10.71	95	95	40	25	.615	3.40	614	0	0	0	516.0	398	195	205	73	188	25	0	0	2,128	18	3.28	3.27	1.27	28.9	8.8	1.14	.265	3.58	80	3.88	92	6.94	20.1
24	Carlos Rodón C. Rodón	3	10.42	96	96	48	26	.649	3.30	635	1	0	0	548.1	420	201	214	65	182	22	0	0	2,235	17	2.99	3.49	1.07	28.4	8.1	1.10	.267	3.51	82	3.47	84	6.89	40.4
25	Kevin Gausman K. Gausman	3	10.91	95	95	38	25	.603	3.10	669	0	0	0	551.2	501	190	210	54	133	8	0	1	2,263	12	2.17	5.03	0.88	29.6	5.9	1.15	.320	3.43	77	2.79	68	8.17	82