most career strikeouts by age 29 season pitcher

Old Hoss Radbourn has fanned the most batters by a 29-year-old pitcher in a season, with 441 strikeouts in 1884.

	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	Old Hoss Radbourn O. Hoss Radbourn	441	29	1884	PRO	75	59	12	.831	73	1.38	73	11	2	678.2	528	104	216	18	98		2		2,672	34	5.85	1.30	4.50	0.24	16.5	3.7	0.92		2.86	48	2.75	84	7.00	31.9
2	Sandy Koufax S. Koufax	382	29	1965	LAD	43	26	8	.765	41	2.04	27	8	2	335.2	216	76	90	26	71	5	2	4	1,297	11	10.24	1.90	5.38	0.70	29.5	5.5	0.86	.234	2.41	63	1.93	61	5.79	47.9
3	Nolan Ryan N. Ryan	327	29	1976	CAL	39	17	18	.486	39	3.36	21	7	0	284.1	193	106	117	13	183	5	0	2	1,196	5	10.35	5.79	1.79	0.41	27.3	15.3	1.32	.269	3.70	99	2.91	85	6.11	16.5
4	J.R. Richard	313	29	1979	HOU	38	18	13	.581	38	2.71	19	4	0	292.1	220	88	98	13	98	3	0	5	1,175	19	9.64	3.02	3.19	0.40	26.6	8.3	1.09	.277	3.02	78	2.19	62	6.77	45.6
5	Randy Johnson R. Johnson	308	29	1993	SEA	35	19	8	.704	34	3.24	10	3	1	255.1	185	92	97	22	99	16	1	1	1,043	8	10.86	3.49	3.11	0.78	29.5	9.5	1.11	.273	3.42	74	3.04	70	6.52	36.2
6	Tim Keefe T. Keefe	297	29	1886	NYG	64	42	20	.677	64	2.56	62	2	0	535.0	479	152	250	9	102		0		2,173	40	5.00	1.72	2.91	0.15	13.7	4.7	1.09		4.21	80	2.78	87	8.06	22
7	Billy Taylor B. Taylor	284	29	1884	TOT	63	43	16	.729	59	2.10	59	3	4	523.0	454	122	215	5	84	12	4		2,195	32	4.89	1.45	3.38	0.09	12.9	3.8	1.03	.248	3.70	66	2.86	98	7.81	5.1
8	Dave Foutz D. Foutz	283	29	1886	SLA	59	41	16	.719	57	2.11	55	11	1	504.0	418	118	216	5	144	10	2		2,091	23	5.05	2.57	1.97	0.09	13.5	6.9	1.12	.250	3.86	59	3.02	86	7.46	31.1
9	John Smoltz J. Smoltz	276	29	1996	ATL	35	24	8	.750	35	2.94	6	2	0	253.2	199	83	93	19	55	2	0	3	995	10	9.79	1.95	5.02	0.67	27.7	5.5	1.00	.280	3.30	69	2.63	60	7.06	48.4
10	Bob Veale B. Veale	276	29	1965	PIT	39	17	12	.586	37	2.84	14	7	0	266.0	221	84	98	5	119	7	2	7	1,126	17	9.34	4.03	2.32	0.17	24.5	10.6	1.28	.300	3.32	80	2.11	62	7.48	38.8
11	Bob Gibson B. Gibson	270	29	1965	STL	38	20	12	.625	36	3.07	20	6	1	299.0	243	102	110	34	103	11	1	6	1,233	8	8.13	3.10	2.62	1.02	21.9	8.4	1.16	.256	3.31	80	3.33	90	7.31	12.3
12	David Cone D. Cone	261	29	1992	TOT	35	17	10	.630	34	2.81	7	5	0	249.2	201	78	91	15	111	12	0	7	1,055	12	9.41	4.00	2.35	0.54	24.7	10.5	1.25	.284	3.28	79	2.94	82	7.25	17.9
13	Ed Walsh E. Walsh	258	29	1910	CWS	45	18	20	.474	36	1.27	33	7	5	369.2	242	52	87	5	61	4	7		1,359	6	6.28	1.49	4.23	0.12	19.0	4.5	0.82	.230	2.12	52	1.63	66	5.89	34.8
14	Max Scherzer M. Scherzer	252	29	2014	DET	33	18	5	.783	33	3.15	1	1	0	220.1	196	77	80	18	63	6	0	1	904	10	10.29	2.57	4.00	0.74	27.9	7.0	1.18	.315	3.27	82	2.84	74	8.01	23.9
15	Robbie Ray R. Ray	248	29	2021	TOR	32	13	7	.650	32	2.84	0	0	0	193.1	150	61	62	33	52	4	0	0	773	5	11.54	2.42	4.77	1.54	32.1	6.7	1.04	.268	2.89	63	3.68	87	6.98	11.8
16	Corey Kluber C. Kluber	245	29	2015	CLE	32	9	16	.360	32	3.49	4	0	0	222.0	189	86	92	22	45	11	0	3	886	6	9.93	1.82	5.44	0.89	27.7	5.1	1.05	.297	3.73	85	2.96	73	7.66	26.4
17	Bill Singer B. Singer	241	29	1973	CAL	40	20	14	.588	40	3.22	19	2	0	315.2	280	113	124	15	130	9	0	5	1,348	7	6.87	3.71	1.85	0.43	17.9	9.6	1.30	.278	3.54	90	2.97	83	7.98	21.4
18	Teddy Higuera T. Higuera	240	29	1987	MIL	35	18	10	.643	35	3.85	14	3	0	261.2	236	112	120	24	87	2	0	2	1,084	4	8.25	2.99	2.76	0.83	22.1	8.0	1.23	.290	4.13	85	3.24	73	8.12	34.4
19	Steve Carlton S. Carlton	240	29	1974	PHI	39	16	13	.552	39	3.22	17	1	0	291.0	249	104	118	21	136	5	0	8	1,227	11	7.42	4.21	1.76	0.65	19.6	11.1	1.32	.276	3.65	86	3.31	90	7.70	12.2
20	Jacob deGrom J. deGrom	239	29	2017	NYM	31	15	10	.600	31	3.53	1	0	0	201.1	180	79	87	28	59	2	0	5	827	7	10.68	2.64	4.05	1.25	28.9	7.1	1.19	.305	3.89	87	3.49	83	8.05	16.7
21	Justin Verlander J. Verlander	239	29	2012	DET	33	17	8	.680	33	2.64	6	1	0	238.1	192	70	81	19	60	5	0	2	956	2	9.03	2.27	3.98	0.72	25.0	6.3	1.06	.273	3.06	64	2.94	70	7.25	32.4
22	Patrick Corbin P. Corbin	238	29	2019	WSH	33	14	7	.667	33	3.25	1	1	0	202.0	169	73	81	24	70	3	0	2	835	4	10.60	3.12	3.40	1.07	28.5	8.4	1.18	.290	3.61	73	3.48	78	7.53	22.2
23	Carlos Rodón C. Rodón	237	29	2022	SFG	31	14	8	.636	31	2.88	1	0	0	178.0	131	57	59	12	52	3	0	0	710	10	11.98	2.63	4.56	0.61	33.4	7.3	1.03	.293	2.98	74	2.25	59	6.62	32.2
24	Chris Sale C. Sale	237	29	2018	BOS	27	12	4	.750	27	2.11	0	0	0	158.0	102	37	39	11	34	14	0	0	617	4	13.50	1.94	6.97	0.63	38.4	5.5	0.86	.283	2.22	48	1.97	47	5.81	39.2
25	Jake Arrieta J. Arrieta	236	29	2015	CHC	33	22	6	.786	33	1.77	4	3	0	229.0	150	45	52	10	48	6	0	2	870	6	9.28	1.89	4.92	0.39	27.1	5.5	0.86	.246	2.04	45	2.34	60	5.90	39