mlb pitcher active with the most strikeouts in a season

Gerrit Cole has fanned the most hitters by an active pitcher in a season, with 326 strikeouts in 2019.

	NAME	SO	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	Gerrit Cole G. Cole	326	2019	HOU	33	20	5	.800	33	2.50	0	0	0	212.1	142	59	66	29	48	3	0	0	817	4	13.82	2.03	6.79	1.23	39.9	5.9	0.89	.275	2.80	55	2.63	58	6.02	45
2	Chris Sale C. Sale	308	2017	BOS	32	17	8	.680	32	2.90	1	0	0	214.1	165	69	73	24	43	8	0	0	851	3	12.93	1.81	7.16	1.01	36.2	5.1	0.97	.301	3.07	63	2.45	56	6.93	45.5
3	Spencer Strider S. Strider	281	2023	ATL	32	19	5	.792	32	3.86	0	0	0	186.2	146	80	85	22	58	9	0	1	763	6	13.55	2.80	4.84	1.06	36.8	7.6	1.09	.316	4.10	87	2.85	66	7.04	30.3
4	Yu Darvish Y. Darvish	277	2013	TEX	32	13	9	.591	32	2.83	0	0	0	209.2	145	66	68	26	80	8	0	1	841	7	11.89	3.43	3.46	1.12	32.9	9.5	1.07	.264	2.92	67	3.27	80	6.22	18.5
5	Gerrit Cole G. Cole	276	2018	HOU	32	15	5	.750	32	2.88	1	1	0	200.1	143	64	68	19	64	7	0	0	799	9	12.40	2.88	4.31	0.85	34.5	8.0	1.03	.286	3.05	70	2.70	65	6.42	32.7
6	Chris Sale C. Sale	274	2015	CWS	31	13	11	.542	31	3.41	1	0	0	208.2	185	79	88	23	42	13	0	0	854	7	11.82	1.81	6.52	0.99	32.1	4.9	1.09	.323	3.80	86	2.72	66	7.98	31.8
7	Jacob deGrom J. deGrom	269	2018	NYM	32	10	9	.526	32	1.70	1	0	0	217.0	152	41	48	10	46	5	0	3	835	2	11.16	1.91	5.85	0.41	32.2	5.5	0.91	.281	1.99	44	1.98	50	6.30	49
8	Shane Bieber S. Bieber	259	2019	CLE	34	15	8	.652	33	3.28	3	2	0	214.1	186	78	86	31	40	6	1	1	859	6	10.88	1.68	6.48	1.30	30.2	4.7	1.05	.296	3.61	71	3.31	73	7.81	29
9	Gerrit Cole G. Cole	257	2022	NYY	33	13	8	.619	33	3.50	0	0	0	200.2	154	78	81	33	50	2	0	0	793	2	11.53	2.24	5.14	1.48	32.4	6.3	1.02	.268	3.63	92	3.46	87	6.91	11.5
10	Garrett Crochet G. Crochet	255	2025	BOS	32	18	5	.783	32	2.59	1	1	0	205.1	165	59	62	24	46	3	0	0	814	7	11.18	2.02	5.54	1.05	31.3	5.7	1.03	.290	2.72	60	2.88	68	7.23	30.2
11	Jacob deGrom J. deGrom	255	2019	NYM	32	11	8	.579	32	2.43	0	0	0	204.0	154	55	59	19	44	7	0	1	804	2	11.25	1.94	5.80	0.84	31.7	5.5	0.97	.282	2.60	60	2.66	62	6.79	37.8
12	Robbie Ray R. Ray	248	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
13	Zack Wheeler Z. Wheeler	247	2021	PHI	32	14	10	.583	32	2.78	3	2	0	213.1	169	66	72	16	46	8	0	1	849	6	10.42	1.94	5.37	0.68	29.1	5.4	1.01	.288	3.04	66	2.58	60	7.13	40.7
14	Corbin Burnes C. Burnes	243	2022	MIL	33	12	8	.600	33	2.94	0	0	0	202.0	144	66	73	23	51	13	0	0	797	10	10.83	2.27	4.76	1.02	30.5	6.4	0.97	.259	3.25	73	3.13	78	6.42	20
15	Gerrit Cole G. Cole	243	2021	NYY	30	16	8	.667	30	3.23	2	1	0	181.1	151	65	69	24	41	2	0	0	726	5	12.06	2.03	5.93	1.19	33.5	5.6	1.06	.305	3.42	76	2.91	67	7.49	28.1
16	Tarik Skubal T. Skubal	241	2025	DET	31	13	6	.684	31	2.21	1	1	0	195.1	141	48	55	18	33	5	0	0	748	3	11.10	1.52	7.30	0.83	32.2	4.4	0.89	.273	2.53	55	2.44	59	6.50	36.9
17	Jacob deGrom J. deGrom	239	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
18	Matthew Boyd M. Boyd	238	2019	DET	32	9	12	.429	32	4.56	0	0	0	185.1	178	94	101	39	50	8	0	1	788	6	11.56	2.43	4.76	1.89	30.2	6.3	1.23	.307	4.90	99	4.31	94	8.64	5.3
19	Kevin Gausman K. Gausman	237	2023	TOR	31	12	9	.571	31	3.16	0	0	0	185.0	163	65	72	19	55	3	0	0	763	3	11.53	2.68	4.31	0.92	31.1	7.2	1.18	.321	3.50	75	2.97	69	7.93	27.1
20	Carlos Rodón C. Rodón	237	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
21	Chris Sale C. Sale	237	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
22	Aaron Nola A. Nola	235	2022	PHI	32	11	13	.458	32	3.25	2	1	0	205.0	168	74	75	19	29	9	0	1	807	2	10.32	1.27	8.10	0.83	29.1	3.6	0.96	.289	3.29	80	2.57	63	7.38	33.5
23	Robbie Ray R. Ray	235	2019	ARI	33	12	8	.600	33	4.34	0	0	0	174.1	150	84	91	30	84	5	0	5	747	7	12.13	4.34	2.80	1.55	31.5	11.2	1.34	.305	4.70	98	4.28	99	7.74	1
24	Pablo López P. López	234	2023	MIN	32	11	8	.579	32	3.66	1	1	0	194.0	176	79	81	24	48	9	0	1	801	7	10.86	2.23	4.88	1.11	29.2	6.0	1.15	.313	3.76	86	3.33	78	8.16	20.5
25	Blake Snell B. Snell	234	2023	SDP	32	14	9	.609	32	2.25	0	0	0	180.0	115	45	47	15	99	3	0	0	742	13	11.70	4.95	2.36	0.75	31.5	13.3	1.19	.256	2.35	54	3.43	79	5.75	18