Before 1983, Walter Johnson fanned the most batters, with 3,509 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	Walter Johnson W. Johnson	3,509	802	417	279	.599	666	2.17	531	110	34	5914.1	4,913	1,424	1,902	97	1,363	205	127		23,405	154	5.34	2.07	2.57	0.15	15.0	5.8	1.06	.264	2.89	68	2.42	76	7.48	472.8
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	Gaylord Perry G. Perry	3,452	747	307	251	.550	660	3.05	300	52	10	5163.2	4,724	1,750	2,020	375	1,330	104	33	160	21,142	155	6.02	2.32	2.60	0.65	16.3	6.3	1.17	.274	3.52	84	3.01	84	8.23	319.5
4	Steve Carlton S. Carlton	3,434	587	285	184	.608	569	3.00	242	52	1	4275.0	3,716	1,426	1,616	320	1,440	45	7	120	17,596	142	7.23	3.03	2.38	0.67	19.5	8.2	1.21	.275	3.40	83	2.99	84	7.82	275.3
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	3,117	528	251	174	.591	482	2.91	255	56	6	3884.1	3,279	1,258	1,420	257	1,336	102	21	118	16,068	108	7.22	3.10	2.33	0.60	19.4	8.3	1.19	.268	3.29	78	2.89	81	7.60	290.5
7	Fergie Jenkins F. Jenkins	3,096	631	278	217	.562	565	3.30	266	48	7	4333.1	3,966	1,589	1,764	465	951	78	36	111	17,695	60	6.43	1.98	3.26	0.97	17.5	5.4	1.13	.267	3.66	86	3.24	87	8.24	223.7
8	Don Sutton D. Sutton	2,931	591	258	193	.572	574	3.05	168	56	5	4137.1	3,556	1,404	1,553	326	1,059	63	12	90	16,823	87	6.38	2.30	2.77	0.71	17.4	6.3	1.12	.260	3.38	90	3.00	88	7.74	187.1
9	Jim Bunning J. Bunning	2,855	591	224	184	.549	519	3.27	151	40	16	3760.1	3,433	1,366	1,527	372	1,000	160	39	98	15,618	47	6.83	2.39	2.86	0.89	18.3	6.4	1.18	.273	3.65	88	3.22	88	8.22	195.2
10	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
11	Cy Young C. Young	2,803	906	511	316	.618	815	2.63	749	76	17	7356.0	7,092	2,147	3,167	138	1,217	161	84		29,565	156	3.43	1.49	2.30	0.17	9.5	4.1	1.13	.275	3.87	74	2.84	79	8.68	620
12	Phil Niekro P. Niekro	2,784	705	257	220	.539	561	3.16	224	43	29	4417.2	4,006	1,551	1,823	374	1,347	106	81	80	18,330	194	5.67	2.74	2.07	0.76	15.2	7.3	1.21	.265	3.71	83	3.41	91	8.16	162.9
13	Warren Spahn W. Spahn	2,583	750	363	245	.597	665	3.09	382	63	28	5243.2	4,830	1,798	2,016	434	1,434	42	67	60	21,547	81	4.43	2.46	1.80	0.74	12.0	6.7	1.19	.258	3.46	84	3.44	94	8.29	124.4
14	Bob Feller B. Feller	2,581	570	266	162	.621	484	3.25	279	44	22	3827.0	3,271	1,384	1,557	224	1,764	60	52	6	16,180	69	6.07	4.15	1.46	0.53	16.0	10.9	1.32	.264	3.66	82	3.48	89	7.69	184.6
15	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
16	Christy Mathewson C. Mathewson	2,507	636	373	188	.665	552	2.13	435	79	30	4788.2	4,219	1,135	1,620	89	848	59	73		18,913	115	4.71	1.59	2.96	0.17	13.3	4.5	1.06	.268	3.04	75	2.26	76	7.93	363
17	Don Drysdale D. Drysdale	2,486	518	209	166	.557	465	2.95	167	49	6	3432.0	3,084	1,124	1,292	280	855	154	34	123	14,097	82	6.52	2.24	2.91	0.73	17.6	6.1	1.15	.272	3.39	83	3.02	88	8.09	162.2
18	Sam McDowell S. McDowell	2,453	425	141	134	.513	346	3.17	103	23	14	2492.1	1,948	879	999	164	1,312	59	39	74	10,587	140	8.86	4.74	1.87	0.59	23.2	12.4	1.31	.270	3.61	90	3.06	84	7.03	160.4
19	Jim Kaat J. Kaat	2,442	874	283	237	.544	625	3.45	180	31	17	4495.2	4,572	1,723	2,019	390	1,073	122	93	113	18,861	128	4.89	2.15	2.28	0.78	12.9	5.7	1.26	.282	4.04	93	3.40	91	9.15	168.9
20	Luis Tiant L. Tiant	2,416	573	229	172	.571	484	3.30	187	49	15	3486.1	3,075	1,280	1,400	346	1,104	49	51	53	14,365	27	6.24	2.85	2.19	0.89	16.8	7.7	1.20	.261	3.61	87	3.46	92	7.94	117.1
21	Sandy Koufax S. Koufax	2,396	397	165	87	.655	314	2.76	137	40	9	2324.1	1,754	713	806	204	817	18	44	48	9,497	87	9.28	3.16	2.93	0.79	25.2	8.6	1.11	.256	3.12	75	2.69	75	6.79	226.6
22	Bert Blyleven B. Blyleven	2,376	411	169	150	.530	406	2.96	159	42	0	3021.0	2,715	995	1,117	217	821	75	3	49	12,362	66	7.08	2.45	2.89	0.65	19.2	6.6	1.17	.282	3.33	80	2.84	77	8.09	289.7
23	Robin Roberts R. Roberts	2,357	676	286	245	.539	609	3.41	305	45	25	4688.2	4,582	1,774	1,962	505	902	54	49	69	19,174	33	4.52	1.73	2.61	0.97	12.3	4.7	1.17	.265	3.77	89	3.50	91	8.80	179.6
24	Early Wynn E. Wynn	2,334	691	300	244	.551	611	3.54	289	49	16	4564.0	4,291	1,796	2,037	338	1,775	64	67	36	19,408	51	4.60	3.50	1.31	0.67	12.0	9.1	1.33	.265	4.02	94	3.64	97	8.46	56.4
25	Rube Waddell R. Waddell	2,316	407	193	143	.574	340	2.16	261	50	5	2961.1	2,460	711	1,063	37	803	115	54		11,717	74	7.04	2.44	2.88	0.11	19.8	6.9	1.10	.287	3.23	75	2.03	71	7.48	262