most strikeouts pitcher through age 21 or more

Interpreted as:

	NAME	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	H/9
1	Bob Feller B. Feller	973	161	82	41	.667	135	3.19	89	10	8	1105.1	865	392	440	44	621	21	20		4,722	40	7.92	5.06	1.57	0.36	20.6	13.2	1.34	.268	3.58	7.04
2	Dwight Gooden D. Gooden	744	99	58	19	.753	99	2.28	35	13	0	744.2	556	189	215	37	222	8	0	9	2,964	13	8.99	2.68	3.35	0.45	25.1	7.5	1.04	.266	2.60	6.72
3	Bert Blyleven B. Blyleven	587	104	43	41	.512	101	2.86	33	9	0	729.2	657	232	254	60	175	17	2	14	2,960	14	7.24	2.16	3.35	0.74	19.8	5.9	1.14	.281	3.13	8.10
4	Joe Wood J. Wood	485	109	47	38	.553	71	0.04	53	13	3	655.0	516		257	6	191	31	31		2,641	20	6.66	2.62	2.54	0.08	18.4	7.2	1.08	.265	3.53	7.09
5	Larry Dierker L. Dierker	447	104	35	36	.493	94	3.33	23	3	0	668.0	608	247	284	52	198	13	4	18	2,786	41	6.02	2.67	2.26	0.70	16.0	7.1	1.21	.268	3.83	8.19
6	Gary Nolan G. Nolan	439	82	37	22	.627	79	2.79	15	9	0	551.2	473	171	194	45	175	8	1	12	2,281	9	7.16	2.85	2.51	0.73	19.2	7.7	1.17	.265	3.16	7.72
7	Mike McCormick M. McCormick	436	155	40	38	.513	99	3.80	30	9	8	729.1	714	308	349	66	250	8	28	33	3,101	31	5.38	3.09	1.74	0.81	14.1	8.1	1.32	.277	4.31	8.81
8	Felix Hernandez F. Hernandez	427	75	30	25	.545	75	3.82	3	2	0	480.2	475	204	220	48	141	11	0	6	2,010	21	8.00	2.64	3.03	0.90	21.2	7.0	1.28	.309	4.12	8.89
9	Fernando Valenzuela F. Valenzuela	395	72	34	20	.630	62	2.62	29	12	1	495.0	395	144	162	24	149	3	4	16	1,980	8	7.18	2.71	2.65	0.44	19.9	7.5	1.10	.263	2.95	7.18
10	Pete Schneider P. Schneider	382	153	44	64	.407	112	2.52	60	8	5	934.1	887		387	12	332	36	33			8	3.68	3.20	1.15	0.12		8.5	1.30	.277	3.73	8.54
11	Catfish Hunter C. Hunter	381	97	30	36	.455	80	3.53	20	7	0	569.1	491	223	246	54	194	6	2	15	2,359	8	6.02	3.07	1.96	0.85	16.2	8.2	1.20	.253	3.89	7.76
12	Dennis Eckersley D. Eckersley	352	70	26	19	.578	54	3.03	15	5	3	386.0	302	130	143	29	168	12	8	10	1,615	10	8.21	3.92	2.10	0.68	21.8	10.4	1.22	.259	3.33	7.04
13	Milt Pappas M. Pappas	335	102	41	32	.562	79	3.56	30	8	3	584.0	521	231	248	35	221	13	15	8	2,435	30	5.16	3.41	1.52	0.54	13.8	9.1	1.27	.265	3.82	8.03
14	Walter Johnson W. Johnson	328	76	27	39	.409	66		50	10	2	552.2	441		187	1	139	25	9		2,208	25	5.34	2.26	2.36	0.02	14.9	6.3	1.05	.257	3.05	7.18
15	Curt Simmons C. Simmons	324	101	29	31	.483	65	4.13	21	2	2	525.0	488	241	276	34	259	5	20		2,295	11	5.55	4.44	1.25	0.58	14.1	11.3	1.42	.271	4.73	8.37
16	Frank Tanana F. Tanana	323	59	22	25	.468	54	3.14	20	6	0	398.2	376	139	153	40	118	13	3	7	1,659	11	7.29	2.66	2.74	0.90	19.5	7.1	1.24	.288	3.45	8.49
17	Hal Newhouser H. Newhouser	316	104	26	36	.419	73	3.85	25	2	5	514.1	467	220	269	23	338	5	23		2,308	11	5.53	5.91	0.93	0.40	13.7	14.6	1.57	.273	4.71	8.17
18	Jose Rijo J. Rijo	310	81	17	25	.405	44	4.49	4	0	3	342.2	332	171	198	37	183	7	20	10	1,527	8	8.14	4.81	1.69	0.97	20.3	12.0	1.50	.298	5.20	8.72
19	Sam McDowell S. McDowell	301	68	15	18	.455	48	4.21	8	2	2	312.1	281	146	158	23	211	7	7	6	1,409	23	8.67	6.08	1.43	0.66	21.4	15.0	1.58	.298	4.55	8.10
20	Bob Moose B. Moose	298	84	23	15	.605	43	2.86	10	4	7	355.1	299	113	131	15	107	9	23	10	1,460	5	7.55	2.71	2.79	0.38	20.4	7.3	1.14	.275	3.32	7.57
21	Clayton Kershaw C. Kershaw	285	53	13	13	.500	51	3.36	0	0	0	278.2	228	104	106	18	143	2	1	7	1,171	18	9.20	4.62	1.99	0.58	24.3	12.2	1.33	.290	3.42	7.36
22	Babe Ruth B. Ruth	285	80	43	21	.672	71	2.11	40	10	1	563.1	417		175	4	210	14	6			12	4.55	3.36	1.36	0.06		9.2	1.11	.234	2.80	6.66
23	Denny McLain D. McLain	284	55	22	12	.647	48	3.14	18	4	1	341.1	278	119	133	43	115	3	2	1	1,393	4	7.49	3.03	2.47	1.13	20.4	8.3	1.15	.248	3.51	7.33
24	Dave Boswell D. Boswell	283	59	20	10	.667	37	3.31	9	1	0	298.2	218	110	120	43	123	10	4	3	1,227	14	8.53	3.71	2.30	1.30	23.1	10.0	1.14	.228	3.62	6.57
25	Don Gullett D. Gullett	279	110	30	18	.625	49	3.01	6	3	8	430.0	377	144	157	33	151	3	21	17	1,773	10	5.84	3.16	1.85	0.69	15.7	8.5	1.23	.263	3.29	7.89