most strikeouts by a pitcher in a season with at most 20 games

Pedro Martinez has struck out the most batters with 20 or fewer games pitched in a season, with 163 strikeouts in 2001.

	NAME	SO	G	SEASON	TM	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	Pedro Martinez P. Martinez	163	18	2001	BOS	7	3	.700	18	2.39	1	0	0	116.2	84	31	33	5	25	6	0	0	456	4	12.57	1.93	6.52	0.39	35.7	5.5	0.93	.307	2.55	52	1.60	37	6.48	35.8
2	Mark Prior M. Prior	147	19	2002	CHC	6	6	.500	19	3.32	1	0	0	116.2	98	43	45	14	38	7	0	0	486	1	11.34	2.93	3.87	1.08	30.2	7.8	1.17	.300	3.47	82	3.15	75	7.56	13.5
3	Jacob deGrom J. deGrom	146	15	2021	NYM	7	2	.778	15	1.08	1	1	0	92.0	40	11	14	6	11	1	0	0	324	0	14.28	1.08	13.27	0.59	45.1	3.4	0.55	.213	1.37	27	1.23	29	3.91	30.6
4	Blake Snell B. Snell	145	20	2024	SFG	5	3	.625	20	3.12	1	1	0	104.0	65	36	38	6	44	1	0	0	418	8	12.55	3.81	3.30	0.52	34.7	10.5	1.05	.266	3.29	78	2.42	62	5.63	17.6
5	Masahiro Tanaka M. Tanaka	141	20	2014	NYY	13	5	.722	20	2.77	3	1	0	136.1	123	42	47	15	21	4	0	0	542	4	9.31	1.39	6.71	0.99	26.0	3.9	1.06	.299	3.10	72	3.04	77	8.12	13.3
6	Trevor Bauer T. Bauer	137	17	2021	LAD	8	5	.615	17	2.59	1	0	0	107.2	71	31	36	19	37	3	0	1	432	3	11.45	3.09	3.70	1.59	31.7	8.6	1.00	.220	3.01	64	4.03	94	5.93	3.1
7	Shane Bieber S. Bieber	134	16	2021	CLE	7	4	.636	16	3.17	0	0	0	96.2	84	34	36	11	33	4	0	0	405	5	12.48	3.07	4.06	1.02	33.1	8.1	1.21	.327	3.35	75	3.02	72	7.82	12.8
8	Yu Darvish Y. Darvish	132	17	2016	TEX	7	5	.583	17	3.41	0	0	0	100.1	81	38	43	12	31	3	0	1	416	6	11.84	2.78	4.26	1.08	31.7	7.5	1.12	.290	3.86	75	3.08	70	7.27	14.4
9	Nick Lodolo N. Lodolo	131	19	2022	CIN	4	7	.364	19	3.66	0	0	0	103.1	90	42	44	13	39	19	0	0	441	6	11.41	3.40	3.36	1.13	29.7	8.8	1.25	.322	3.83	86	3.89	93	7.84	3.4
10	Bill Bailey B. Bailey	131	19	1914	BAL	7	9	.438	18	3.08	10	1	0	128.2	106	44	58	2	68	7	0		536	9	9.16	4.76	1.93	0.14	24.4	12.7	1.35	.317	4.06	93	2.35	78	7.41	9.6
11	Grayson Rodriguez G. Rodriguez	130	20	2024	BAL	13	4	.765	20	3.86	0	0	0	116.2	109	50	52	15	36	5	0	0	491	6	10.03	2.78	3.61	1.16	26.5	7.3	1.24	.308	4.01	98	3.66	91	8.41	4.5
12	Rich Hill R. Hill	129	20	2016	TOT	12	5	.706	20	2.12	0	0	0	110.1	77	26	29	4	33	8	0	0	439	0	10.52	2.69	3.91	0.33	29.4	7.5	1.00	.275	2.37	52	2.39	58	6.28	21.6
13	Alek Manoah A. Manoah	127	20	2021	TOR	9	2	.818	20	3.22	0	0	0	111.2	77	40	44	12	40	16	0	0	459	0	10.24	3.22	3.18	0.97	27.7	8.7	1.05	.246	3.55	72	3.79	90	6.21	5.5
14	Chris Sale C. Sale	125	20	2023	BOS	6	5	.545	20	4.30	0	0	0	102.2	87	49	52	15	29	8	0	0	425	3	10.96	2.54	4.31	1.31	29.4	6.8	1.13	.290	4.56	95	3.80	88	7.63	6
15	Randy Johnson R. Johnson	125	18	2003	ARI	6	8	.429	18	4.26	1	1	0	114.0	125	54	61	16	27	8	0	3	489	1	9.87	2.13	4.63	1.26	25.6	5.5	1.33	.348	4.82	95	3.58	80	9.87	11
16	Tyler Glasnow T. Glasnow	123	14	2021	TBR	5	2	.714	14	2.66	0	0	0	88.0	55	26	26	10	27	0	0	0	340	8	12.58	2.76	4.56	1.02	36.2	7.9	0.93	.250	2.66	65	2.76	67	5.63	13.5
17	Shane Bieber S. Bieber	122	12	2020	CLE	8	1	.889	12	1.63	0	0	0	77.1	46	14	15	7	21	1	0	0	297	5	14.20	2.44	5.81	0.81	41.1	7.1	0.87	.267	1.75	37	2.06	46	5.35	20.5
18	Aaron Nola A. Nola	121	20	2016	PHI	6	9	.400	20	4.78	0	0	0	111.0	116	59	68	10	29	6	0	3	483	2	9.81	2.35	4.17	0.81	25.1	6.0	1.31	.334	5.51	116	3.08	73	9.41	13.8
19	Jesús Luzardo J. Luzardo	120	18	2022	MIA	4	7	.364	18	3.32	0	0	0	100.1	69	37	40	10	35	2	0	0	400	5	10.76	3.14	3.43	0.90	30.0	8.8	1.04	.253	3.59	82	3.12	80	6.19	8.9
20	Danny Salazar D. Salazar	120	20	2014	CLE	6	8	.429	20	4.25	1	1	0	110.0	117	52	57	13	35	3	0	4	474	3	9.82	2.86	3.43	1.06	25.3	7.4	1.38	.343	4.66	109	3.52	92	9.57	3.7
21	J.R. Richard	119	17	1980	HOU	10	4	.714	17	1.90	4	4	0	113.2	65	24	31	2	40	0	0	1	438	2	9.42	3.17	2.98	0.16	27.2	9.1	0.92	.227	2.45	56	1.93	56	5.15	19.9
22	Andrew Heaney A. Heaney	118	18	2019	LAA	4	6	.400	18	4.91	0	0	0	95.1	93	52	53	20	30	7	0	1	409	4	11.14	2.83	3.93	1.89	28.9	7.3	1.29	.312	5.00	106	4.62	99	8.78	0.5
23	Shane Bieber S. Bieber	118	20	2018	CLE	11	5	.688	19	4.55	0	0	0	114.2	130	58	60	13	23	2	0	0	485	5	9.26	1.81	5.13	1.02	24.3	4.7	1.33	.356	4.71	104	3.22	76	10.20	12.8
24	Chuck Smith C. Smith	118	19	2000	FLA	6	6	.500	19	3.23	1	0	0	122.2	111	44	53	6	54	3	0	2	513	6	8.66	3.96	2.19	0.44	23.0	10.5	1.35	.316	3.89	73	3.23	71	8.14	18.6
25	Jose DeLeon J. DeLeon	118	15	1983	PIT	7	3	.700	15	2.83	3	2	0	108.0	75	34	36	5	47	1	0	2	438	5	9.83	3.92	2.51	0.42	26.9	10.7	1.13	.262	3.00	77	2.49	67	6.25	14.6