most strikeouts in april by a pitcher all-time in a season

Shane Bieber has struck out the most hitters in a season in the month of April, with 68 strikeouts in 2021.

	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	H/9
1	Shane Bieber S. Bieber	68	2021	CLE	6	3	2	.600	6	2.76	0	0	0	42.1	28	13	13	5	14	1	0	0	172	3	14.46	2.98	4.86	1.06	39.5	8.1	0.99	.274	2.76	5.95
2	Randy Johnson R. Johnson	64	2000	ARI	6	6	0	1.000	6	0.91	3	2	0	49.1	26	5	6	2	10	0	0	0	181	0	11.68	1.82	6.40	0.36	35.4	5.5	0.73	.229	1.09	4.74
3	Randy Johnson R. Johnson	63	1999	ARI	6	2	1	.667	6	3.40	1	0	0	45.0	33	17	18	6	19	1	0	1	183	0	12.60	3.80	3.32	1.20	34.4	10.4	1.16	.287	3.60	6.60
4	Gerrit Cole G. Cole	62	2021	NYY	6	4	1	.800	6	1.43	0	0	0	37.2	24	6	7	1	3	1	0	0	140	2	14.81	0.72	20.67	0.24	44.3	2.1	0.72	.315	1.67	5.73
5	Gerrit Cole G. Cole	61	2018	HOU	6	2	1	.667	6	1.73	0	0	0	41.2	25	8	9	3	8	2	0	0	155	3	13.18	1.73	7.63	0.65	39.4	5.2	0.79	.272	1.94	5.40
6	Curt Schilling C. Schilling	61	2002	ARI	6	5	1	.833	6	3.07	1	1	0	44.0	35	15	15	5	6	0	0	0	169	0	12.48	1.23	10.17	1.02	36.1	3.6	0.93	.309	3.07	7.16
7	Randy Johnson R. Johnson	61	2002	ARI	6	6	0	1.000	6	1.37	2	1	0	46.0	28	7	8	2	11	1	0	0	173	0	11.93	2.15	5.55	0.39	35.3	6.4	0.85	.265	1.57	5.48
8	Randy Johnson R. Johnson	61	2001	ARI	6	3	3	.500	6	4.03	2	1	0	44.2	38	20	20	7	11	4	0	0	180	1	12.29	2.22	5.55	1.41	33.9	6.1	1.10	.320	4.03	7.66
9	Roger Clemens R. Clemens	60	1988	BOS	6	4	0	1.000	6	1.75	2	2	0	51.1	33	10	11	3	8	0	0	0	194	1	10.52	1.40	7.50	0.53	30.9	4.1	0.80	.244	1.93	5.79
10	Jacob deGrom J. deGrom	59	2021	NYM	5	2	2	.500	5	0.51	1	1	0	35.0	16	2	5	2	4	0	0	0	123	0	15.17	1.03	14.75	0.51	48.0	3.3	0.57	.241	1.29	4.11
11	Nolan Ryan N. Ryan	59	1978	CAL	5	1	1	.500	5	1.98	1	1	0	41.0	19	9	10	1	25	1	0	0	164	5	12.95	5.49	2.36	0.22	36.0	15.2	1.07	.231	2.20	4.17
12	Yu Darvish Y. Darvish	58	2013	TEX	6	5	1	.833	6	2.33	0	0	0	38.2	23	10	10	1	13	3	0	0	151	1	13.50	3.03	4.46	0.23	38.4	8.6	0.93	.289	2.33	5.35
13	Javier Vazquez J. Vazquez	58	2003	MON	6	3	1	.750	6	2.50	0	0	0	39.2	31	11	11	6	5	0	0	0	153	2	13.16	1.13	11.60	1.36	37.9	3.3	0.91	.298	2.50	7.03
14	Vida Blue V. Blue	58	1971	OAK	7	6	1	.857	7	1.20	6	3	0	52.2	29	7	10	1	18	2	0	0	208	4	9.91	3.08	3.22	0.17	27.9	8.7	0.89	.217	1.71	4.96
15	Pedro Martinez P. Martinez	57	1998	BOS	6	2	0	1.000	6	2.28	1	1	0	43.1	31	11	11	3	12	1	0	1	171	1	11.84	2.49	4.75	0.62	33.3	7.0	0.99	.286	2.28	6.44
16	Tyler Glasnow T. Glasnow	56	2021	TBR	6	3	1	.750	6	1.67	0	0	0	37.2	19	7	7	2	11	0	0	0	143	4	13.38	2.63	5.09	0.48	39.2	7.7	0.80	.230	1.67	4.54
17	Curt Schilling C. Schilling	56	1998	PHI	5	3	2	.600	5	2.25	2	1	0	40.0	26	10	10	4	11	0	0	0	155	2	12.60	2.47	5.09	0.90	36.1	7.1	0.93	.262	2.25	5.85
18	Gerrit Cole G. Cole	55	2019	HOU	6	2	3	.400	6	4.34	0	0	0	37.1	25	18	19	5	15	0	0	0	148	1	13.26	3.62	3.67	1.21	37.2	10.1	1.07	.274	4.58	6.03
19	Kevin Gausman K. Gausman	54	2023	TOR	6	2	2	.500	6	2.33	0	0	0	38.2	33	10	14	4	6	0	0	0	154	0	12.57	1.40	9.00	0.93	35.1	3.9	1.01	.322	3.26	7.68
20	Pedro Martinez P. Martinez	54	2001	BOS	5	2	0	1.000	5	1.80	0	0	0	35.0	28	7	8	0	8	1	0	0	137	2	13.89	2.06	6.75	0.00	39.4	5.8	1.03	.378	2.06	7.20
21	Steve Carlton S. Carlton	54	1983	PHI	6	3	2	.600	6	2.05	1	1	0	48.1	44	11	15	1	13	0	0	1	194	1	10.06	2.42	4.15	0.19	27.8	6.7	1.18	.341	2.79	8.19
22	Nolan Ryan N. Ryan	54	1973	CAL	5	3	1	.750	5	2.72	3	0	0	43.0	35	13	13	5	20	1	0	1	179	0	11.30	4.19	2.70	1.05	30.2	11.2	1.28	.303	2.72	7.33
23	Mark Langston M. Langston	53	1988	SEA	6	1	3	.250	6	4.40	1	0	0	45.0	48	22	26	9	17	0	0	0	193	4	10.60	3.40	3.12	1.80	27.5	8.8	1.44	.342	5.20	9.60
24	Chris Sale C. Sale	52	2017	BOS	5	1	2	.333	5	1.19	0	0	0	37.2	23	5	6	1	6	1	0	0	139	0	12.42	1.43	8.67	0.24	37.4	4.3	0.77	.278	1.43	5.50
25	Mickey Lolich M. Lolich	52	1970	DET	7	4	2	.667	7	2.16	5	2	0	58.1	59	14	15	3	22	1	0	0	250	2	8.02	3.39	2.36	0.46	20.8	8.8	1.39	.326	2.31	9.10