mlb most pitcher strikeouts before age 30

Sam McDowell has fanned the most career hitters by a pitcher younger than 30, with 2,271 strikeouts.

	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	Sam McDowell S. McDowell	2,271	362	130	117	.526	318	3.10	101	22	11	2259.1	1,747	778	887	149	1,152	58	25	66	9,551	124	9.05	4.59	1.97	0.59	23.8	12.1	1.28	.270	3.53	6.96
2	Bert Blyleven B. Blyleven	2,250	387	156	141	.525	382	2.96	150	41	0	2841.1	2,554	933	1,051	206	770	70	3	48	11,630	63	7.13	2.44	2.92	0.65	19.3	6.6	1.17	.282	3.33	8.09
3	Walter Johnson W. Johnson	2,245	452	249	155	.616	369	0.93	321	69	17	3366.1	2,574		924	28	683	127	78			114	6.00	1.83	3.29	0.07		5.2	0.97	.253	2.47	6.88
4	Felix Hernandez F. Hernandez	2,148	335	143	102	.584	335	3.11	25	11	0	2268.1	2,020	784	873	184	635	72	0	16	9,278	126	8.52	2.52	3.38	0.73	23.2	6.8	1.17	.294	3.46	8.01
5	Clayton Kershaw C. Kershaw	2,120	292	144	64	.692	290	2.36	25	15	0	1935.0	1,431	508	554	128	507	29	1	27	7,602	71	9.86	2.36	4.18	0.60	27.9	6.7	1.00	.270	2.58	6.66
6	Nolan Ryan N. Ryan	2,085	294	122	116	.513	260	3.11	116	30	3	1935.0	1,339	668	757	110	1,180	62	13	25	8,187	82	9.70	5.49	1.77	0.51	25.5	14.4	1.30	.259	3.52	6.23
7	Sandy Koufax S. Koufax	2,079	356	138	78	.639	273	2.93	110	35	9	2001.1	1,513	651	732	185	740	18	44	44	8,223	80	9.35	3.33	2.81	0.83	25.3	9.0	1.13	.255	3.29	6.80
8	Don Drysdale D. Drysdale	2,038	419	170	129	.569	366	3.03	139	34	6	2727.0	2,428	918	1,052	232	709	127	34	91	11,232	67	6.73	2.34	2.87	0.77	18.1	6.3	1.15	.270	3.47	8.01
9	Bob Feller B. Feller	2,000	348	177	98	.644	301	2.99	198	34	20	2471.0	1,961	822	911	107	1,246	37	36		10,403	59	7.28	4.54	1.61	0.39	19.2	12.0	1.30	.264	3.32	7.14
10	Pedro Martinez P. Martinez	1,981	296	132	59	.691	229	2.66	36	15	3	1693.0	1,262	501	553	129	467	75	23	20	6,750	43	10.53	2.48	4.24	0.69	29.3	6.9	1.02	.276	2.94	6.71
11	Dwight Gooden D. Gooden	1,875	305	157	85	.649	303	3.10	67	23	1	2169.2	1,898	747	823	123	651	41	1	31	8,898	47	7.78	2.70	2.88	0.51	21.1	7.3	1.17	.286	3.41	7.87
12	Tom Seaver T. Seaver	1,856	283	146	87	.627	278	2.47	133	29	1	2167.1	1,723	595	652	162	568	40	5	47	8,645	48	7.71	2.36	3.27	0.67	21.5	6.6	1.06	.259	2.71	7.15
13	Roger Clemens R. Clemens	1,808	263	146	68	.682	262	2.80	86	33	0	1956.1	1,630	608	677	125	534	48	0	34	7,911	46	8.32	2.46	3.39	0.58	22.9	6.8	1.11	.279	3.11	7.50
14	Chris Sale C. Sale	1,793	288	103	63	.620	208	2.93	15	2	12	1485.1	1,195	483	517	151	339	86	25	14	5,950	36	10.86	2.05	5.29	0.91	30.1	5.7	1.03	.292	3.13	7.24
15	Fernando Valenzuela F. Valenzuela	1,759	331	141	116	.549	320	3.31	107	29	2	2348.2	2,099	864	981	152	915	16	5	58	9,857	94	6.74	3.51	1.92	0.58	17.8	9.3	1.28	.278	3.76	8.04
16	Don Sutton D. Sutton	1,738	332	139	113	.552	318	3.04	99	36	3	2290.0	1,968	774	854	170	591	44	9	55	9,334	58	6.83	2.32	2.94	0.67	18.6	6.3	1.12	.265	3.36	7.73
17	Madison Bumgarner M. Bumgarner	1,731	278	116	90	.563	275	3.09	15	6	0	1778.0	1,563	610	671	180	414	59	1	34	7,235	24	8.76	2.10	4.18	0.91	23.9	5.7	1.11	.285	3.40	7.91
18	Steve Carlton S. Carlton	1,724	310	133	105	.559	292	3.05	131	28	1	2196.0	1,968	743	844	156	785	26	7	68	9,147	78	7.07	3.22	2.20	0.64	18.8	8.6	1.25	.281	3.46	8.07
19	CC Sabathia	1,700	308	148	84	.638	308	3.59	30	11	0	2027.1	1,854	808	879	180	635	63	0	25	8,391	42	7.55	2.82	2.68	0.80	20.3	7.6	1.23	.288	3.90	8.23
20	Catfish Hunter C. Hunter	1,696	402	184	127	.592	379	3.06	146	38	1	2784.1	2,327	947	1,054	286	770	41	5	49	11,277	37	5.48	2.49	2.20	0.92	15.0	6.8	1.11	.241	3.41	7.52
21	Hal Newhouser H. Newhouser	1,691	419	188	134	.584	342	2.96	201	33	18	2717.1	2,405	894	1,057	111	1,157	15	61		11,483	59	5.60	3.83	1.46	0.37	14.7	10.1	1.31	.270	3.50	7.97
22	Fergie Jenkins F. Jenkins	1,649	304	135	93	.592	246	3.02	142	25	7	2032.2	1,748	683	752	200	432	37	30	62	8,204	31	7.30	1.91	3.82	0.89	20.1	5.3	1.07	.263	3.33	7.74
23	Joe Coleman J. Coleman	1,627	385	133	131	.504	328	3.72	92	18	5	2336.2	2,191	966	1,095	214	909	85	27	59	9,954	102	6.27	3.50	1.79	0.82	16.3	9.1	1.33	.278	4.22	8.44
24	Johan Santana J. Santana	1,587	285	109	51	.681	209	3.11	9	6	1	1543.0	1,274	534	574	167	427	31	23	7	6,245	64	9.26	2.49	3.72	0.97	25.4	6.8	1.10	.274	3.35	7.43
25	Tim Lincecum T. Lincecum	1,586	235	94	74	.560	234	3.53	9	6	0	1488.1	1,289	584	624	120	579	37	0	31	6,251	91	9.59	3.50	2.74	0.73	25.4	9.3	1.26	.298	3.77	7.79