most strikeouts by pitcher from 1990 to 2020

Between the 1990 and 2020 seasons, Randy Johnson struck out the most hitters, with 4,720 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	4,720	585	293	153	.657	571	3.24	97	37	2	3948.2	3,176	1,420	1,595	395	1,394	187	6	35	16,243	99	10.76	3.18	3.39	0.90	29.1	8.6	1.16	.291	3.64	73	3.14	72	7.24	556.6
2	Roger Clemens R. Clemens	3,457	534	259	139	.651	533	3.15	60	25	0	3632.0	3,097	1,270	1,409	268	1,209	127	0	47	14,997	112	8.57	3.00	2.86	0.66	23.1	8.1	1.19	.285	3.49	69	3.18	72	7.67	502.1
3	Pedro Martinez P. Martinez	3,154	476	219	100	.687	409	2.93	46	17	3	2827.1	2,221	919	1,006	239	760	141	23	30	11,394	62	10.04	2.42	4.15	0.76	27.7	6.7	1.05	.279	3.20	66	2.91	68	7.07	454.6
4	Curt Schilling C. Schilling	3,106	560	216	142	.603	431	3.42	83	20	22	3237.2	2,966	1,231	1,293	342	698	51	81	42	13,170	69	8.63	1.94	4.45	0.95	23.6	5.3	1.13	.292	3.59	79	3.20	75	8.24	380.3
5	CC Sabathia	3,093	561	251	161	.609	560	3.74	38	12	0	3577.1	3,404	1,485	1,623	382	1,099	123	0	44	14,989	74	7.78	2.76	2.81	0.96	20.6	7.3	1.26	.294	4.08	87	3.77	87	8.56	223.7
6	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
7	Greg Maddux G. Maddux	2,975	639	310	189	.621	639	3.06	91	30	0	4334.1	4,049	1,474	1,663	307	751	117	0	133	17,527	56	6.18	1.56	3.96	0.64	17.0	4.3	1.11	.280	3.45	73	3.19	75	8.41	508.9
8	John Smoltz J. Smoltz	2,879	682	199	137	.592	440	3.31	48	16	154	3201.0	2,840	1,177	1,272	263	905	53	204	78	13,127	135	8.09	2.54	3.18	0.74	21.9	6.9	1.17	.285	3.58	80	3.20	77	7.99	354
9	Mike Mussina M. Mussina	2,813	537	270	153	.638	536	3.68	57	23	0	3562.2	3,460	1,458	1,559	376	785	60	0	29	14,593	71	7.11	1.98	3.58	0.95	19.3	5.4	1.19	.292	3.94	82	3.57	79	8.74	372.8
10	Max Scherzer M. Scherzer	2,784	377	175	93	.653	368	3.21	11	5	0	2357.1	1,953	841	906	264	641	86	2	20	9,573	71	10.63	2.45	4.34	1.01	29.1	6.7	1.10	.291	3.46	77	3.13	76	7.46	262.2
11	Zack Greinke Z. Greinke	2,689	500	208	126	.623	459	3.37	16	5	1	2939.0	2,728	1,100	1,181	298	676	70	8	25	12,002	89	8.23	2.07	3.98	0.91	22.4	5.6	1.16	.294	3.62	80	3.36	81	8.35	253.4
12	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
13	Javier Vazquez J. Vazquez	2,536	450	165	160	.508	443	4.22	28	8	0	2840.0	2,784	1,331	1,431	373	763	88	5	58	11,935	76	8.04	2.42	3.32	1.18	21.2	6.4	1.25	.295	4.53	96	3.90	88	8.82	164.4
14	Bartolo Colon B. Colon	2,535	565	247	188	.568	552	4.12	38	13	0	3461.2	3,593	1,584	1,719	439	948	64	2	47	14,655	45	6.59	2.46	2.67	1.14	17.3	6.5	1.31	.296	4.47	95	4.14	96	9.34	71.6
15	Clayton Kershaw C. Kershaw	2,526	357	175	76	.697	354	2.43	25	15	0	2333.0	1,756	631	690	181	585	34	1	27	9,179	88	9.74	2.26	4.32	0.70	27.5	6.4	1.00	.269	2.66	63	2.75	69	6.77	320.6
16	Felix Hernandez F. Hernandez	2,524	419	169	136	.554	418	3.42	25	11	0	2729.2	2,487	1,037	1,157	264	805	105	0	16	11,284	156	8.32	2.65	3.14	0.87	22.4	7.1	1.21	.293	3.81	84	3.52	85	8.20	181.5
17	A.J. Burnett	2,513	435	164	157	.511	430	3.99	24	10	0	2731.1	2,519	1,210	1,328	263	1,100	143	1	35	11,665	161	8.28	3.62	2.28	0.87	21.5	9.4	1.32	.295	4.38	97	3.86	92	8.30	97.3
18	Andy Pettitte A. Pettitte	2,448	531	256	153	.626	521	3.85	26	4	0	3316.0	3,448	1,418	1,572	288	1,031	55	3	42	14,074	69	6.64	2.80	2.37	0.78	17.4	7.3	1.35	.308	4.27	86	3.73	83	9.36	282.1
19	Tom Glavine T. Glavine	2,413	610	282	174	.618	610	3.45	49	21	0	3981.2	3,870	1,528	1,667	319	1,364	53	0	131	16,756	60	5.45	3.08	1.77	0.72	14.4	8.1	1.31	.282	3.77	83	3.93	93	8.75	131.5
20	Jon Lester J. Lester	2,397	424	193	111	.635	423	3.60	15	4	0	2598.2	2,451	1,040	1,131	269	837	87	0	8	10,860	63	8.30	2.90	2.86	0.93	22.1	7.7	1.27	.300	3.92	84	3.68	90	8.49	120.4
21	John Lackey J. Lackey	2,294	448	188	147	.561	446	3.92	18	8	0	2840.1	2,862	1,237	1,347	319	815	133	0	32	12,030	125	7.27	2.58	2.81	1.01	19.1	6.8	1.29	.300	4.27	92	3.94	94	9.07	79.6
22	Kevin Brown K. Brown	2,277	453	197	134	.595	443	3.26	64	17	0	3037.0	2,873	1,101	1,259	196	823	134	1	40	12,615	100	6.75	2.44	2.77	0.58	18.0	6.5	1.22	.291	3.73	78	3.31	77	8.51	335.8
23	Chuck Finley C. Finley	2,243	404	170	141	.547	404	3.90	52	14	0	2666.1	2,565	1,155	1,287	267	1,102	64	0	25	11,377	115	7.57	3.72	2.04	0.90	19.7	9.7	1.38	.298	4.34	86	3.95	88	8.66	166.9
24	James Shields J. Shields	2,234	407	145	139	.511	405	4.01	23	9	0	2616.0	2,581	1,167	1,267	361	746	97	1	22	10,993	107	7.69	2.57	2.99	1.24	20.3	6.8	1.27	.294	4.36	98	4.16	101	8.88	-13.5
25	Jake Peavy J. Peavy	2,207	388	152	126	.547	377	3.63	15	6	0	2377.0	2,134	960	1,011	259	708	78	3	42	9,838	46	8.36	2.68	3.12	0.98	22.4	7.2	1.20	.285	3.83	90	3.64	89	8.08	127.6