mlb pitchers by most k/9 in a season before 1950

Before 1950, Henry Porter had the highest K/9 in a season, with 12.53 per nine innings in his rookie season in 1884.

Interpreted as:

MLB pitchers by most k/9 with a minimum of 1 IP per team game in a season before 1950

	NAME	K/9	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	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	Henry Porter H. Porter	12.53	1884	MIL	6	3	3	.500	6	3.00	71	6	1	0	51.0	32	17	25	1	9		0	200	6	1.59	7.89	0.18	35.5	4.5	0.80		4.41	23	1.27	11	5.65	24.1
2	Ed Cushman E. Cushman	11.75	1884	MIL	4	4	0	1.000	4	1.00	47	4	2	0	36.0	10	4	4	0	3		0	125	1	0.75	15.67	0.00	37.6	2.4	0.36		1.00	8	0.91	8	2.50	17.4
3	The Only Nolan T. Only Nolan	11.70	1884	WIL	5	1	4	.200	5	2.93	52	5	0	0	40.0	44	13	28	1	7		0	175	13	1.58	7.43	0.23	29.7	4.0	1.27		6.30	93	1.52	56	9.90	5.5
4	Lady Baldwin L. Baldwin	11.12	1884	MIL	2	1	1	.500	2	2.65	21	2	0	0	17.0	7	5	5	0	1		0	61	0	0.53	21.00	0.00	34.4	1.6	0.47		2.65	20	0.98	9	3.71	8.2
5	Hugh Daily H. Daily	8.68	1884	TOT	58	28	28	.500	58	2.43	483	56	5	0	500.2	446	135	268	11	72		0	2,076	50	1.29	6.71	0.20	23.3	3.5	1.03		4.82	81	2.06	79	8.02	27.4
6	Hal Newhouser H. Newhouser	8.46	1946	DET	37	26	9	.743	34	1.94	275	29	6	1	292.2	215	63	77	10	98	1	2	1,176	8	3.01	2.81	0.31	23.4	8.3	1.07	.259	2.37	54	1.96	56	6.61	49.6
7	Bob Feller B. Feller	8.43	1946	CLE	48	26	15	.634	42	2.18	348	36	10	4	371.1	277	90	101	11	153	3	5	1,512	3	3.71	2.27	0.27	23.0	10.1	1.16	.267	2.45	65	2.16	65	6.71	48.3
8	Rube Waddell R. Waddell	8.39	1903	PHA	39	21	16	.568	38	2.44	302	34	4	0	324.0	274	88	109	3	85	8	1	1,291	9	2.36	3.55	0.08	23.4	6.6	1.11	.303	3.03	80	1.87	62	7.61	41.9
9	Rube Waddell R. Waddell	8.20	1904	PHA	46	25	19	.568	46	1.62	349	39	8	0	383.0	307	69	109	5	91	14	0	1,496	8	2.14	3.84	0.12	23.3	6.1	1.04	.291	2.56	61	1.59	62	7.21	41.5
10	Johnny Vander Meer J. Vander Meer	8.03	1941	CIN	33	16	13	.552	32	2.82	202	18	6	0	226.1	172	71	83	8	126	1	0	945	3	5.01	1.60	0.32	21.4	13.3	1.32	.270	3.30	78	3.02	82	6.84	16.9
11	Matt Kilroy M. Kilroy	7.92	1886	BAL	68	29	34	.460	68	3.37	513	66	5	0	583.0	476	218	350	10	182	19	0	2,469	61	2.81	2.82	0.15	20.8	7.4	1.13	.267	5.40	100	2.60	77	7.35	47
12	Charlie Geggus C. Geggus	7.92	1884	WSU	23	10	9	.526	21	2.54	156	19	0	0	177.1	143	50	100	2	38		2	733	23	1.93	4.11	0.10	21.3	5.2	1.02		5.08	85	2.30	89	7.26	4.8
13	Rube Waddell R. Waddell	7.86	1905	PHA	46	27	10	.730	34	1.48	287	27	7	0	328.2	231	54	86	5	90	10	11	1,257	10	2.46	3.19	0.14	22.8	7.2	0.98	.261	2.35	55	1.89	69	6.33	31.2
14	John Clarkson J. Clarkson	7.78	1884	CWS	14	10	3	.769	13	2.14	102	12	0	0	118.0	94	28	64	10	25		1	478	7	1.91	4.08	0.76	21.3	5.2	1.01		4.88	68	3.28	91	7.17	5.7
15	Bob Feller B. Feller	7.78	1938	CLE	39	17	11	.607	36	4.08	240	20	2	1	277.2	225	126	136	13	208	7	3	1,248	5	6.74	1.15	0.42	19.2	16.7	1.56	.272	4.41	86	4.13	91	7.29	13
16	Rube Marquard R. Marquard	7.68	1911	NYG	45	24	7	.774	33	2.50	237	22	5	3	277.2	221	77	98	9	106	4	6	1,117	10	3.44	2.24	0.29	21.2	9.5	1.18	.279	3.18	75	2.67	77	7.16	24.2
17	Dazzy Vance D. Vance	7.65	1924	BKN	35	28	6	.824	34	2.16	262	30	3	0	308.1	238	74	89	11	77	9	1	1,221	4	2.25	3.40	0.32	21.5	6.3	1.02	.263	2.60	58	2.64	69	6.95	41.3
18	Toad Ramsey T. Ramsey	7.63	1886	LOU	67	38	27	.585	67	2.45	499	66	3	0	588.2	447	160	297	3	207	12	0	2,477	35	3.16	2.41	0.05	20.1	8.4	1.11	.253	4.54	71	2.59	76	6.83	54.7
19	Walter Johnson W. Johnson	7.61	1910	WSH	45	25	17	.595	42	1.36	313	38	8	1	370.0	262	56	92	1	76	13	3	1,367	21	1.85	4.12	0.02	22.9	5.6	0.91	.271	2.24	56	1.39	56	6.37	45.2
20	Joe Wood J. Wood	7.54	1911	BSA	44	23	17	.575	33	2.02	231	25	5	3	275.2	226	62	113	2	76	11	11	1,102	10	2.48	3.04	0.07	21.0	6.9	1.10	.286	3.69	60	2.13	66	7.38	33.5
21	Dazzy Vance D. Vance	7.50	1925	BKN	31	22	9	.710	31	3.53	221	26	4	0	265.1	247	104	115	8	66	10	0	1,089	3	2.24	3.35	0.27	20.3	6.1	1.18	.305	3.90	84	2.70	64	8.38	44.2
22	Dupee Shaw D. Shaw	7.47	1884	TOT	67	30	33	.476	66	2.30	451	60	5	0	543.1	446	139	281	9	109		1	2,244	24	1.81	4.14	0.15	20.1	4.9	1.02		4.65	77	2.43	81	7.39	29
23	Bob Feller B. Feller	7.46	1939	CLE	39	24	9	.727	35	2.85	246	24	4	1	296.2	227	94	105	13	142	3	3	1,243	14	4.31	1.73	0.39	19.8	11.4	1.24	.255	3.19	64	3.35	78	6.89	32.4
24	Dazzy Vance D. Vance	7.46	1926	BKN	24	9	10	.474	22	3.89	140	12	0	1	169.0	172	73	80	7	58	1	2	713	1	3.09	2.41	0.37	19.6	8.1	1.36	.325	4.26	104	2.84	76	9.16	17.2
25	Walter Johnson W. Johnson	7.39	1912	WSH	50	33	12	.733	37	1.39	303	34	7	2	369.0	259	57	89	2	76	16	13	1,413	11	1.85	3.99	0.05	21.4	5.4	0.91	.253	2.17	42	2.03	63	6.32	49.6