who is all-time strikeout leader in first 16 seasons

Randy Johnson struck out the most batters by a pitcher in his first 16 seasons, with 3,871 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	ERA-	FIP	FIP-	H/9	PRAA
1	Randy Johnson R. Johnson	3,871	454	230	114	.669	444	3.10	88	35	2	3122.1	2,435	1,077	1,215	283	1,258	146	5	22	12,900	92	11.16	3.63	3.08	0.82	30.0	9.8	1.18	.293	3.50	71	3.05	71	7.02	462
2	Nolan Ryan N. Ryan	3,494	487	205	186	.524	453	3.11	188	50	3	3324.1	2,389	1,149	1,311	181	1,921	92	13	47	14,041	169	9.46	5.20	1.82	0.49	24.9	13.7	1.30	.264	3.55	89	3.02	86	6.47	184.9
3	Max Scherzer M. Scherzer	3,367	457	213	108	.664	448	3.15	12	5	0	2834.2	2,306	991	1,063	328	746	111	2	20	11,452	76	10.69	2.37	4.51	1.04	29.4	6.5	1.08	.287	3.38	75	3.16	76	7.32	310.2
4	Roger Clemens R. Clemens	3,316	480	247	134	.648	479	3.04	115	45	0	3462.1	2,917	1,168	1,289	234	1,102	114	0	44	14,211	90	8.62	2.86	3.01	0.61	23.3	7.8	1.16	.284	3.35	68	2.94	69	7.58	511.3
5	Tom Seaver T. Seaver	3,137	525	264	156	.629	519	2.68	208	54	1	3900.1	3,151	1,163	1,276	296	1,118	55	5	100	15,677	97	7.24	2.58	2.81	0.68	20.0	7.1	1.09	.258	2.94	76	2.85	82	7.27	274.2
6	Bob Gibson B. Gibson	3,057	506	248	164	.602	468	2.85	254	56	4	3775.1	3,159	1,197	1,354	247	1,274	98	17	112	15,569	102	7.29	3.04	2.40	0.59	19.6	8.2	1.17	.267	3.23	77	2.85	79	7.53	303.2
7	Pedro Martinez P. Martinez	3,030	447	209	93	.692	380	2.80	46	17	3	2673.2	2,046	833	918	213	708	131	23	27	10,710	60	10.20	2.38	4.28	0.72	28.3	6.6	1.03	.277	3.09	63	2.79	65	6.89	465.6
8	Justin Verlander J. Verlander	3,013	454	226	129	.637	454	3.33	26	9	0	2988.0	2,538	1,105	1,192	310	851	98	0	27	12,214	87	9.08	2.56	3.54	0.93	24.7	7.0	1.13	.281	3.59	78	3.40	80	7.64	280.4
9	Steve Carlton S. Carlton	2,969	525	249	169	.596	507	3.02	213	45	1	3789.1	3,311	1,273	1,443	294	1,292	43	7	112	15,640	124	7.05	3.07	2.30	0.70	19.0	8.3	1.21	.273	3.43	83	3.07	86	7.86	213.4
10	Clayton Kershaw C. Kershaw	2,944	425	210	92	.695	422	2.48	25	15	0	2712.2	2,055	747	816	225	669	42	1	27	10,683	101	9.77	2.22	4.40	0.75	27.6	6.3	1.00	.269	2.71	63	2.81	70	6.82	364.8
11	Walter Johnson W. Johnson	2,940	641	337	231	.593	517	1.87	448	95	30	4778.1	3,828	995	1,408	51	1,036	156	116		18,633	144	5.54	1.95	2.84	0.10	15.8	5.6	1.02	.261	2.65	63	2.16	73	7.21	417.3
12	Fergie Jenkins F. Jenkins	2,899	578	259	194	.572	515	3.28	261	47	7	4010.0	3,623	1,460	1,617	432	843	73	34	105	16,296	55	6.51	1.89	3.44	0.97	17.8	5.2	1.11	.265	3.63	85	3.20	86	8.13	229.2
13	Bert Blyleven B. Blyleven	2,875	505	212	183	.537	499	3.01	200	51	0	3716.0	3,343	1,244	1,398	267	1,014	100	3	58	15,229	81	6.96	2.46	2.84	0.65	18.9	6.7	1.17	.280	3.39	80	2.90	77	8.10	359.2
14	Gaylord Perry G. Perry	2,847	589	246	200	.552	504	2.93	270	48	10	4097.1	3,607	1,336	1,540	304	1,055	82	31	134	16,673	120	6.25	2.32	2.70	0.67	17.1	6.3	1.14	.267	3.38	82	2.95	84	7.92	255.5
15	Mickey Lolich M. Lolich	2,832	586	217	191	.532	496	3.44	195	41	10	3638.1	3,366	1,390	1,537	347	1,099	92	40	67	15,140	124	7.01	2.72	2.58	0.86	18.7	7.3	1.23	.280	3.80	96	3.19	87	8.33	188.5
16	Jim Bunning J. Bunning	2,797	562	219	172	.560	503	3.20	150	40	15	3650.1	3,307	1,299	1,455	361	963	154	31	91	15,134	46	6.90	2.37	2.90	0.89	18.5	6.4	1.17	.271	3.59	86	3.20	87	8.15	199.7
17	Don Sutton D. Sutton	2,756	557	241	184	.567	540	3.05	162	55	5	3887.2	3,332	1,319	1,457	308	995	62	12	88	15,811	84	6.38	2.30	2.77	0.71	17.4	6.3	1.11	.259	3.37	90	3.00	88	7.71	174.3
18	CC Sabathia	2,726	482	223	141	.613	482	3.70	38	12	0	3168.1	3,003	1,303	1,423	315	959	104	0	43	13,233	66	7.74	2.72	2.84	0.89	20.6	7.2	1.25	.294	4.04	86	3.66	85	8.53	232.5
19	David Cone D. Cone	2,655	445	193	123	.611	415	3.44	56	22	1	2880.2	2,484	1,102	1,209	254	1,124	106	9	41	12,099	149	8.29	3.51	2.36	0.79	21.9	9.3	1.25	.280	3.78	83	3.54	85	7.76	195.8
20	Zack Greinke Z. Greinke	2,622	488	205	123	.625	447	3.35	16	5	1	2872.0	2,661	1,070	1,151	292	667	69	8	25	11,729	86	8.22	2.09	3.93	0.92	22.4	5.7	1.16	.293	3.61	80	3.37	82	8.34	241.4
21	Mike Mussina M. Mussina	2,572	475	239	134	.641	475	3.63	57	23	0	3210.1	3,058	1,296	1,384	345	719	48	0	24	13,118	66	7.21	2.02	3.58	0.97	19.6	5.5	1.18	.288	3.88	80	3.56	79	8.57	343.1
22	Tim Keefe T. Keefe	2,564	600	342	225	.603	594	2.63	554	39	2	5049.2	4,438	1,474	2,470	75	1,233	83	7		20,941	240	4.57	2.20	2.08	0.13	12.2	5.9	1.12	.257	4.40	79	2.92	87	7.91	239.2
23	Cole Hamels C. Hamels	2,560	423	163	122	.572	422	3.43	17	7	0	2698.0	2,424	1,027	1,103	310	767	100	0	43	11,115	57	8.54	2.56	3.34	1.03	23.0	6.9	1.18	.287	3.68	82	3.68	88	8.09	151.3
24	Curt Schilling C. Schilling	2,542	450	163	117	.582	338	3.33	79	19	13	2586.0	2,286	957	1,017	263	603	39	60	41	10,489	67	8.85	2.10	4.22	0.92	24.2	5.7	1.12	.287	3.54	79	3.13	74	7.96	313.3
25	Bob Feller B. Feller	2,538	526	262	154	.630	469	3.22	275	43	20	3686.0	3,137	1,320	1,480	210	1,710	59	43		15,587	69	6.20	4.18	1.48	0.51	16.3	11.0	1.31	.264	3.61	81	3.45	88	7.66	188.8