most strikeouts by a pitcher in first 20 starts

Nolan Ryan had 763 games started in his career.

Interpreted as:

most strikeouts by a pitcher in first 20 regular-season starts

	NAME	GS	SO	G	W	L	W%	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	Nolan Ryan N. Ryan	763	5,714	786	323	287	.530	3.14	222	61	3	5366.2	3,887	1,871	2,138	317	2,760	157	11	77	22,448	273	9.58	4.63	2.07	0.53	25.5	12.3	1.24	.264	3.59	6.52
2	Randy Johnson R. Johnson	596	4,875	609	302	162	.651	3.24	100	37	2	4106.0	3,296	1,480	1,663	405	1,484	188	6	37	16,917	109	10.69	3.25	3.29	0.89	28.8	8.8	1.16	.290	3.65	7.22
3	Roger Clemens R. Clemens	696	4,672	697	352	180	.662	3.09	116	45	0	4877.2	4,129	1,674	1,847	362	1,563	157	0	63	20,048	143	8.62	2.88	2.99	0.67	23.3	7.8	1.17	.283	3.41	7.62
4	Steve Carlton S. Carlton	697	4,136	714	326	233	.583	3.15	254	55	2	5151.0	4,573	1,800	2,061	401	1,795	52	8	146	21,355	179	7.23	3.14	2.30	0.70	19.4	8.4	1.24	.279	3.60	7.99
5	Bert Blyleven B. Blyleven	671	3,701	674	286	238	.546	3.24	242	60	0	4918.1	4,540	1,768	1,966	418	1,301	155	0	68	20,231	110	6.77	2.38	2.84	0.76	18.3	6.4	1.19	.281	3.60	8.31
6	Tom Seaver T. Seaver	633	3,640	639	309	198	.609	2.80	231	61	1	4737.1	3,896	1,474	1,622	373	1,365	75	4	114	19,137	121	6.92	2.59	2.67	0.71	19.0	7.1	1.11	.257	3.08	7.40
7	Don Sutton D. Sutton	732	3,574	743	322	240	.573	3.17	177	58	1	5191.0	4,553	1,826	2,008	454	1,303	79	6	98	21,187	111	6.20	2.26	2.74	0.79	16.9	6.1	1.13	.260	3.48	7.89
8	Gaylord Perry G. Perry	667	3,534	729	309	247	.556	2.97	303	53	8	5243.0	4,755	1,733	1,998	383	1,329	105	24	154	21,403	152	6.07	2.28	2.66	0.66	16.5	6.2	1.16	.272	3.43	8.16
9	Walter Johnson W. Johnson	647	3,527	746	404	263	.606	1.67	524	110	25	5767.1	4,745		1,817	94	1,325	200	95			151	5.50	2.07	2.66	0.15		5.8	1.05	.261	2.84	7.40
10	Justin Verlander J. Verlander	534	3,471	534	261	148	.638	3.27	26	9	0	3463.1	2,922	1,259	1,362	357	971	115	0	26	14,134	95	9.02	2.52	3.57	0.93	24.6	6.9	1.12	.278	3.54	7.59
11	Max Scherzer M. Scherzer	458	3,419	466	215	112	.657	3.17	12	5	0	2888.2	2,358	1,017	1,090	338	759	112	2	20	11,673	79	10.65	2.36	4.50	1.05	29.3	6.5	1.08	.287	3.40	7.35
12	Greg Maddux G. Maddux	722	3,371	725	351	222	.613	3.14	109	35	0	4918.0	4,619	1,717	1,932	348	971	135	2	177	20,030	70	6.17	1.78	3.47	0.64	16.8	4.8	1.14	.281	3.54	8.45
13	Phil Niekro P. Niekro	693	3,342	781	312	258	.547	3.23	245	45	18	5244.2	4,796	1,881	2,188	466	1,723	116	52	80	21,877	215	5.73	2.96	1.94	0.80	15.3	7.9	1.24	.267	3.75	8.23
14	Fergie Jenkins F. Jenkins	583	3,191	630	282	222	.560	3.27	267	49	5	4449.0	4,057	1,616	1,798	475	974	84	25	111	18,143	62	6.46	1.97	3.28	0.96	17.6	5.4	1.13	.267	3.64	8.21
15	Pedro Martinez P. Martinez	408	3,154	467	219	99	.689	2.91	46	17	3	2816.0	2,205	910	996	238	752	141	21	29	11,337	62	10.08	2.40	4.19	0.76	27.8	6.6	1.05	.279	3.18	7.05
16	Bob Gibson B. Gibson	473	3,117	502	251	169	.598	2.85	255	56	3	3827.1	3,201	1,214	1,373	249	1,300	101	12	112	15,790	105	7.33	3.06	2.40	0.59	19.7	8.2	1.18	.268	3.23	7.53
17	Curt Schilling C. Schilling	432	3,116	518	216	138	.610	3.39	83	20	13	3203.1	2,915	1,207	1,263	344	683	52	58	39	13,006	70	8.75	1.92	4.56	0.97	24.0	5.3	1.12	.292	3.55	8.19
18	CC Sabathia	555	3,093	556	251	157	.615	3.70	38	12	0	3558.2	3,371	1,462	1,600	379	1,088	122	0	43	14,890	72	7.82	2.75	2.84	0.96	20.8	7.3	1.25	.293	4.05	8.53
19	John Smoltz J. Smoltz	477	3,084	649	212	152	.582	3.33	53	16	110	3392.2	2,996	1,254	1,358	281	984	56	150	81	13,943	144	8.18	2.61	3.13	0.75	22.1	7.1	1.17	.285	3.60	7.95
20	Clayton Kershaw C. Kershaw	436	3,000	438	216	93	.699	2.50	25	15	0	2781.2	2,122	773	844	231	689	43	1	27	10,966	104	9.71	2.23	4.35	0.75	27.4	6.3	1.01	.270	2.73	6.87
21	Zack Greinke Z. Greinke	536	2,979	571	224	152	.596	3.46	17	5	1	3358.2	3,163	1,290	1,385	364	749	76	4	24	13,732	96	7.98	2.01	3.98	0.98	21.7	5.5	1.16	.293	3.71	8.48
22	Jim Bunning J. Bunning	506	2,855	553	222	173	.562	3.17	151	40	10	3707.0	3,334	1,305	1,461	366	972	158	23	94	15,336	46	6.93	2.36	2.94	0.89	18.6	6.3	1.16	.270	3.55	8.09
23	Mickey Lolich M. Lolich	478	2,832	531	215	178	.547	3.30	194	41	7	3548.0	3,216	1,302	1,441	332	1,060	89	28	63	14,691	117	7.18	2.69	2.67	0.84	19.3	7.2	1.21	.278	3.66	8.16
24	Mike Mussina M. Mussina	524	2,813	525	268	148	.644	3.60	57	23	0	3513.2	3,371	1,407	1,507	367	765	60	0	28	14,351	71	7.21	1.96	3.68	0.94	19.6	5.3	1.18	.290	3.86	8.63
25	Frank Tanana F. Tanana	597	2,773	612	239	224	.516	3.54	142	34	0	4121.2	3,948	1,620	1,827	425	1,226	128	5	112	17,309	115	6.06	2.68	2.26	0.93	16.0	7.1	1.26	.276	3.99	8.62