most strikeouts in a mlb season from a pitcher over the age of 40

Randy Johnson has struck out the most batters by a 40-year-old pitcher in a season, with 290 strikeouts in 2004.

	NAME	SO	AGE	SEASON	TM	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	290	40	2004	ARI	35	16	14	.533	35	2.60	4	2	0	245.2	177	71	88	18	44	10	0	1	964	3	10.62	1.61	6.59	0.66	30.1	4.6	0.90	.264	3.22	57	2.29	51	6.48	59.7
2	Nolan Ryan N. Ryan	270	40	1987	HOU	34	8	16	.333	34	2.76	0	0	0	211.2	154	65	75	14	87	4	0	2	873	10	11.48	3.70	3.10	0.60	30.9	10.0	1.14	.281	3.19	70	2.46	63	6.55	34.5
3	Phil Niekro P. Niekro	208	40	1979	ATL	44	21	20	.512	44	3.39	23	1	0	342.0	311	129	160	41	113	11	0	8	1,436	18	5.47	2.97	1.84	1.08	14.5	7.9	1.24	.254	4.21	84	4.15	101	8.18	0.1
4	John Smoltz J. Smoltz	197	40	2007	ATL	32	14	8	.636	32	3.11	0	0	0	205.2	196	71	78	18	47	4	0	9	853	8	8.62	2.06	4.19	0.79	23.1	5.5	1.18	.303	3.41	71	3.19	72	8.58	28.7
5	Roger Clemens R. Clemens	190	40	2003	NYY	33	17	9	.654	33	3.91	1	1	0	211.2	199	92	99	24	58	5	0	1	878	5	8.08	2.47	3.28	1.02	21.6	6.6	1.21	.291	4.21	87	3.60	81	8.46	20.3
6	Charlie Hough C. Hough	174	40	1988	TEX	34	15	16	.484	34	3.32	10	0	0	252.0	202	93	111	20	126	12	0	1	1,067	10	6.21	4.50	1.38	0.71	16.3	11.8	1.30	.248	3.96	83	4.05	104	7.21	-3.9
7	Charlie Morton C. Morton	167	40	2024	ATL	30	8	10	.444	30	4.19	0	0	0	165.1	154	77	85	23	65	18	0	1	701	2	9.09	3.54	2.57	1.25	23.8	9.3	1.32	.306	4.63	100	4.45	112	8.38	-9.1
8	Early Wynn E. Wynn	158	40	1960	CWS	36	13	12	.520	34	3.49	12	4	1	237.1	220	92	105	20	112	4	2	2	1,024	1	5.99	4.25	1.41	0.76	15.4	10.9	1.40	.274	3.98	93	3.76	97	8.34	2.8
9	Dazzy Vance D. Vance	150	40	1931	BKN	30	11	13	.458	29	3.38	12	2	0	218.2	221	82	99	12	53	0	1		918	1	6.17	2.18	2.83	0.49	16.3	5.8	1.25	.297	4.07	89	3.18	81	9.10	18
10	Cy Young C. Young	147	40	1907	BSA	43	21	15	.583	37	1.99	33	6	2	343.1	286	76	101	3	51	7	5		1,308	6	3.85	1.34	2.88	0.08	11.2	3.9	0.98	.257	2.65	77	1.94	80	7.50	18.8
11	Justin Verlander J. Verlander	144	40	2023	TOT	27	13	8	.619	27	3.22	0	0	0	162.1	139	58	63	18	45	5	0	0	669	5	7.98	2.49	3.20	1.00	21.5	6.7	1.13	.265	3.49	76	3.84	90	7.71	8.1
12	Adam Wainwright A. Wainwright	143	40	2022	STL	32	11	12	.478	32	3.71	1	0	0	191.2	192	79	80	16	54	7	0	1	803	5	6.71	2.54	2.65	0.75	17.8	6.7	1.28	.302	3.76	94	3.65	94	9.02	5.3
13	Gaylord Perry G. Perry	140	40	1979	SDP	32	12	11	.522	32	3.06	10	0	0	232.2	225	79	90	12	67	4	0	10	963	6	5.42	2.59	2.09	0.46	14.5	7.0	1.26	.288	3.48	87	3.10	86	8.70	13.3
14	Tom Seaver T. Seaver	134	40	1985	CWS	35	16	11	.593	33	3.17	6	1	0	238.2	223	84	103	22	69	8	0	6	993	10	5.05	2.60	1.94	0.83	13.5	6.9	1.22	.264	3.88	73	3.72	91	8.41	9.7
15	Tom Glavine T. Glavine	131	40	2006	NYM	32	15	7	.682	32	3.82	0	0	0	198.0	202	84	94	22	62	6	0	7	842	1	5.95	2.82	2.11	1.00	15.6	7.4	1.33	.290	4.27	88	4.29	96	9.18	4.1
16	Jamie Moyer J. Moyer	129	40	2003	SEA	33	21	7	.750	33	3.27	1	0	0	215.0	199	78	83	19	66	8	0	3	897	0	5.40	2.76	1.95	0.80	14.4	7.4	1.23	.267	3.47	76	4.01	92	8.33	8.7
17	R.A. Dickey	126	40	2015	TOR	33	11	11	.500	33	3.91	2	0	0	214.1	195	93	97	25	61	11	0	1	884	9	5.29	2.56	2.07	1.05	14.3	6.9	1.19	.257	4.07	97	4.48	110	8.19	-9.4
18	Joe Niekro J. Niekro	121	40	1985	TOT	35	11	13	.458	35	3.83	4	1	0	225.1	211	96	108	24	107	5	0	6	983	21	4.83	4.27	1.13	0.96	12.3	10.9	1.41	.258	4.31	111	4.48	129	8.43	-27.3
19	Johnny Niggeling J. Niggeling	121	40	1944	WSH	24	10	8	.556	24	2.32	14	2	0	206.0	164	53	65	5	88	4	0		848	5	5.29	3.84	1.38	0.22	14.3	10.4	1.22	.252	2.84	70	3.02	92	7.17	5.7
20	Bartolo Colon B. Colon	117	40	2013	OAK	30	18	6	.750	30	2.65	3	3	0	190.1	193	56	60	14	29	0	0	0	769	1	5.53	1.37	4.03	0.66	15.2	3.8	1.17	.294	2.84	68	3.23	83	9.13	14
21	Greg Maddux G. Maddux	117	40	2006	TOT	34	15	14	.517	34	4.20	0	0	0	210.0	219	98	109	20	37	0	0	7	862	0	5.01	1.59	3.16	0.86	13.6	4.3	1.22	.289	4.67	92	3.79	83	9.39	18
22	Warren Spahn W. Spahn	115	40	1961	MIL	38	21	13	.618	34	3.02	21	4	0	262.2	236	88	96	24	64	4	3	1	1,064	4	3.94	2.19	1.80	0.82	10.8	6.0	1.14	.247	3.29	79	3.66	98	8.09	1.6
23	Kaiser Wilhelm K. Wilhelm	113	40	1914	BAL	47	12	17	.414	27	4.03	11	1	5	243.2	263	109	141	10	81	0	18		985	6	4.17	2.99	1.40	0.37	11.5	8.2	1.41	.324	5.21	122	3.04	101	9.71	0.2
24	Rick Reuschel R. Reuschel	111	40	1989	SFG	32	17	8	.680	32	2.94	2	0	0	208.1	195	68	75	18	54	2	0	4	860	1	4.80	2.33	2.06	0.78	12.9	6.3	1.20	.262	3.24	88	3.62	102	8.42	-1.5
25	Tim Wakefield T. Wakefield	110	40	2007	BOS	31	17	12	.586	31	4.76	0	0	0	189.0	191	100	104	22	64	4	0	1	800	10	5.24	3.05	1.72	1.05	13.8	8.0	1.35	.282	4.95	103	4.66	108	9.10	-8