Tim Keefe played 3 years with 300+ strikeouts.

Interpreted as:

MLB pitchers with 300 or more strikeout seasons

	NAME	SEAS	SO	G	W	L	W%	GS	ERA	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Tim Keefe T. Keefe	3	1,028	177	113	56	.669	177	2.17	172	17	0	1536.1	1,185	371	583	16	269	12	0	6,190	63	6.02	1.58	3.82	0.09	16.6	4.3	0.95	.241	3.42	69	2.45	77	6.94	119.5
2	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
3	Jim Whitney J. Whitney	1	345	62	37	21	.638	56	2.24	54	1	2	514.0	492	128	258	7	35		5	2,101	37	6.04	0.61	9.86	0.12	16.4	1.7	1.03		4.52	74	2.29	75	8.61	39.8
4	Charlie Buffinton C. Buffinton	1	417	67	48	16	.750	67	2.15	63	8	0	587.0	506	140	225	15	76		0	2,383	24	6.39	1.17	5.49	0.23	17.5	3.2	0.99		3.45	74	2.57	77	7.76	46.8
5	Hugh Daily H. Daily	1	483	58	28	28	.500	58	2.43	56	5	0	500.2	446	135	268	11	72		0	2,076	50	8.68	1.29	6.71	0.20	23.3	3.5	1.03		4.82	81	2.06	79	8.02	27.4
6	Pud Galvin P. Galvin	1	369	72	46	22	.676	72	1.99	71	12	0	636.1	566	141	254	23	63		0	2,554	16	5.22	0.89	5.86	0.33	14.4	2.5	0.99		3.59	64	2.88	82	8.01	50.9
7	Guy Hecker G. Hecker	1	385	75	52	20	.722	73	1.80	72	6	0	670.2	526	134	230	4	56	16	2	2,649	27	5.17	0.75	6.88	0.05	14.5	2.1	0.87	.239	3.09	57	2.53	80	7.06	43
8	Hardie Henderson H. Henderson	1	346	52	27	23	.540	52	2.62	50	4	0	439.1	382	128	235	9	116	16	0	1,900	45	7.09	2.38	2.98	0.18	18.2	6.1	1.13	.264	4.81	81	2.87	89	7.83	16.5
9	Jim McCormick J. McCormick	1	343	66	40	25	.615	65	2.37	63	10	0	569.0	508	150	263	19	89		2	2,336	15	5.43	1.41	3.85	0.30	14.7	3.8	1.05		4.16	80	2.97	94	8.04	9.6
10	Larry McKeon L. McKeon	1	308	61	18	41	.305	60	3.50	59	2	0	512.0	488	199	350	20	94	18	1	2,185	36	5.41	1.65	3.28	0.35	14.1	4.3	1.14	.268	6.15	108	3.24	101	8.58	-1.7
11	Ed Morris E. Morris	2	628	116	75	33	.694	115	2.33	110	15	1	985.0	790	255	403	8	169		1	3,955	44	5.74	1.54	3.72	0.07	15.9	4.3	0.97	.250	3.68	74	2.58	82	7.22	47
12	Tony Mullane T. Mullane	1	325	67	36	26	.581	65	2.52	64	7	0	567.0	481	159	276	5	89	32	2	2,364	63	5.16	1.41	3.65	0.08	13.7	3.8	1.01	.249	4.38	76	2.88	88	7.63	27
13	Dupee Shaw D. Shaw	1	451	67	30	33	.476	66	2.30	60	5	0	543.1	446	139	281	9	109		1	2,244	24	7.47	1.81	4.14	0.15	20.1	4.9	1.02		4.65	77	2.43	81	7.39	29
14	Bill Sweeney B. Sweeney	1	374	62	40	21	.656	60	2.59	58	4	0	538.0	522	155	294	13	74		2	2,270	43	6.26	1.24	5.05	0.22	16.5	3.3	1.11		4.92	80	2.61	93	8.73	19.5
15	Charlie Sweeney C. Sweeney	1	337	60	41	15	.732	56	1.70	53	6	1	492.0	360	93	182	6	42		4	1,909	21	6.16	0.77	8.02	0.11	17.7	2.2	0.82		3.33	58	2.32	81	6.59	26.9
16	Mickey Welch M. Welch	1	345	65	39	21	.650	65	2.50	62	4	0	557.1	528	155	275	12	146		1	2,370	39	5.57	2.36	2.36	0.19	14.6	6.2	1.21		4.44	85	3.10	92	8.53	14.6
17	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
18	Lady Baldwin L. Baldwin	1	323	56	42	13	.764	56	2.24	55	7	0	487.0	371	121	194	11	100		0	1,936	22	5.97	1.85	3.23	0.20	16.7	5.2	0.97		3.59	68	2.68	81	6.86	33.8
19	Matt Kilroy M. Kilroy	1	513	68	29	34	.460	68	3.37	66	5	0	583.0	476	218	350	10	182	19	0	2,469	61	7.92	2.81	2.82	0.15	20.8	7.4	1.13	.267	5.40	100	2.60	77	7.35	47
20	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
21	Mark Baldwin M. Baldwin	1	368	63	27	34	.443	59	3.61	54	6	1	513.2	458	206	358	9	274	20	4	2,275	83	6.45	4.80	1.34	0.16	16.2	12.0	1.43	.280	6.27	100	3.52	98	8.02	-3
22	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
23	William Hutchinson W. Hutchinson	1	314	75	36	36	.500	70	2.76	67	5	1	622.0	571	191	316	11	190	13	5	2,639	20	4.54	2.75	1.65	0.16	11.9	7.2	1.22	.265	4.57	82	2.63	79	8.26	51.2
24	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
25	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