who has the single-season strikeouts per 9 innings with at least 180 innings pitched after 1950

Ewell Blackwell had 4.64 K/9 when pitching at least 180 innings in 1951.

	NAME	K/9	IP	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	TBF	WP	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Ewell Blackwell E. Blackwell	4.64	232.2	1951	CIN	38	16	15	.516	32	3.44	120	11	2	2	204	89	110	16	97	9	5	996	5	3.75	1.24	0.62	12.0	9.7	1.29	.249	4.26	87	3.71	91	7.89	9
2	Ralph Branca R. Branca	5.21	204.0	1951	BKN	42	13	12	.520	27	3.26	118	13	3	3	180	74	81	19	85	3	11	855	6	3.75	1.39	0.84	13.8	9.9	1.30	.256	3.57	82	3.83	93	7.94	6.2
3	Cliff Chambers C. Chambers	3.05	189.0	1951	TOT	31	14	12	.538	26	4.38	64	11	2	0	184	92	97	18	87	4	1	815	4	4.14	0.74	0.86	7.9	10.7	1.43	.259	4.62	108	4.48	108	8.76	-6.6
4	Bubba Church B. Church	3.79	247.0	1951	PHN	38	15	11	.577	33	3.53	104	15	4	1	246	97	107	17	90	1	2	1,046	3	3.28	1.16	0.62	9.9	8.6	1.36	.275	3.90	92	3.64	92	8.96	8
5	Murry Dickson M. Dickson	3.49	288.2	1951	PIT	45	20	16	.556	35	4.02	112	19	3	2	294	129	151	32	101	6	9	1,241	1	3.15	1.11	1.00	9.0	8.1	1.37	.265	4.71	97	4.26	100	9.17	0.9
6	Carl Erskine C. Erskine	4.51	189.2	1951	BKN	46	16	12	.571	19	4.46	95	7	0	4	206	94	105	23	78	2	18	829	0	3.70	1.22	1.09	11.5	9.4	1.50	.290	4.98	112	4.32	105	9.78	-4.5
7	Bob Feller B. Feller	4.00	249.2	1951	CLE	33	22	8	.733	32	3.50	111	16	4	0	239	97	105	22	95	7	1	1,061	2	3.42	1.17	0.79	10.5	9.0	1.34	.263	3.79	90	3.96	105	8.62	-6.2
8	Howie Fox H. Fox	2.25	228.0	1951	CIN	40	9	14	.391	30	3.83	57	9	4	2	239	97	105	16	69	2	5	958	2	2.72	0.83	0.63	5.9	7.2	1.35	.274	4.14	97	3.83	94	9.43	5.8
9	Mike Garcia M. Garcia	4.18	254.0	1951	CLE	47	20	13	.606	30	3.15	118	15	1	6	239	89	101	10	82	3	14	1,066	6	2.91	1.44	0.35	11.1	7.7	1.26	.268	3.58	81	3.07	81	8.47	20.5
10	Ned Garver N. Garver	3.07	246.0	1951	SLA	33	20	12	.625	30	3.73	84	24	1	0	237	102	114	17	96	5	3	1,044	6	3.51	0.88	0.62	8.0	9.2	1.35	.261	4.17	86	3.93	93	8.67	8.4
11	Ted Gray T. Gray	5.97	197.1	1951	DET	34	7	14	.333	28	4.06	131	9	1	1	194	89	103	17	95	6	3	876	4	4.33	1.38	0.78	15.0	10.8	1.46	.282	4.70	97	3.81	93	8.85	6.6
12	Jim Hearn J. Hearn	2.81	211.1	1951	NYG	34	17	9	.654	34	3.62	66	11	0	0	204	85	102	21	82	2	0	902	6	3.49	0.80	0.89	7.3	9.1	1.35	.250	4.34	91	4.34	107	8.69	-6.6
13	Bob Hooper B. Hooper	3.05	189.0	1951	PHA	38	12	10	.545	23	4.38	64	9	0	5	192	92	98	13	61	3	8	790	4	2.90	1.05	0.62	8.1	7.7	1.34	.276	4.67	104	3.71	90	9.14	8.3
14	Fred Hutchinson F. Hutchinson	2.53	188.1	1951	DET	31	10	10	.500	20	3.68	53	9	2	2	204	77	84	12	27	2	8	782	4	1.29	1.96	0.57	6.8	3.5	1.23	.279	4.01	88	3.21	78	9.75	18.6
15	Larry Jansen L. Jansen	4.68	278.2	1951	NYG	39	23	11	.676	34	3.04	145	18	3	0	254	94	102	26	56	3	5	1,133	3	1.81	2.59	0.84	12.8	4.9	1.11	.252	3.29	77	3.29	81	8.20	23.8
16	Alex Kellner A. Kellner	4.03	209.2	1951	PHA	33	11	14	.440	29	4.46	94	11	1	2	218	104	118	20	93	4	3	909	9	3.99	1.01	0.86	10.3	10.2	1.48	.284	5.07	106	4.21	103	9.36	-2.2
17	Bob Lemon B. Lemon	4.51	263.1	1951	CLE	42	17	14	.548	34	3.52	132	17	1	2	244	103	119	18	124	2	7	1,139	4	4.24	1.06	0.62	11.6	10.9	1.40	.262	4.07	91	3.80	101	8.34	-1.6
18	Ed Lopat E. Lopat	3.57	234.2	1951	NYY	31	21	9	.700	31	2.91	93	20	4	0	209	76	86	12	71	3	0	965	0	2.72	1.31	0.46	9.6	7.4	1.19	.251	3.30	74	3.30	86	8.02	13.7
19	Sal Maglie S. Maglie	4.41	298.0	1951	NYG	42	23	6	.793	37	2.93	146	22	3	4	254	97	110	27	86	6	5	1,210	4	2.60	1.70	0.82	12.1	7.1	1.14	.240	3.32	74	3.60	89	7.67	15
20	Connie Marrero C. Marrero	3.18	187.0	1951	WSH	25	11	9	.550	25	3.90	66	16	2	0	198	81	87	8	71	3	0	819	2	3.42	0.93	0.39	8.1	8.7	1.44	.283	4.19	98	3.52	90	9.53	7.9
21	Paul Minner P. Minner	3.03	201.2	1951	CHC	33	6	17	.261	28	3.79	68	14	3	1	219	85	97	20	64	0	3	861	5	2.86	1.06	0.89	7.9	7.4	1.40	.281	4.33	95	4.05	99	9.77	1.2
22	Don Newcombe D. Newcombe	5.43	272.0	1951	BKN	40	20	9	.690	36	3.28	164	18	3	0	235	99	115	19	91	6	2	1,125	7	3.01	1.80	0.63	14.6	8.1	1.20	.256	3.81	82	3.25	79	7.78	25.5
23	Mel Parnell M. Parnell	3.14	221.0	1951	BSA	36	18	11	.621	29	3.26	77	11	3	2	229	80	99	11	77	0	4	930	2	3.14	1.00	0.45	8.3	8.3	1.38	.285	4.03	73	3.47	80	9.33	20.7
24	Billy Pierce B. Pierce	4.23	240.1	1951	CWS	37	15	14	.517	28	3.03	113	18	1	2	237	81	93	14	73	1	6	1,008	1	2.73	1.55	0.52	11.2	7.2	1.29	.276	3.48	75	3.22	82	8.88	19.4
25	Duane Pillette D. Pillette	3.06	191.0	1951	SLA	35	6	14	.300	24	4.99	65	6	1	1	205	106	113	14	115	5	5	871	5	5.42	0.57	0.66	7.5	13.2	1.68	.284	5.32	115	4.64	110	9.66	-7.8