Shane Bieber struck out the most hitters in 2020, with 122 strikeouts.

	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	Shane Bieber S. Bieber	122	2020	CLE	12	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
2	Jacob deGrom J. deGrom	104	2020	NYM	12	4	2	.667	12	2.38	0	0	0	68.0	47	18	21	7	18	0	0	0	268	4	13.76	2.38	5.78	0.93	38.8	6.7	0.96	.288	2.78	57	2.26	52	6.22	15.9
3	Trevor Bauer T. Bauer	100	2020	CIN	11	5	4	.556	11	1.73	2	2	0	73.0	41	14	17	9	17	3	0	1	278	3	12.33	2.10	5.88	1.11	36.0	6.1	0.79	.215	2.10	36	2.87	61	5.05	14.1
4	Lucas Giolito L. Giolito	97	2020	CWS	12	4	3	.571	12	3.48	1	1	0	72.1	47	28	31	8	28	2	0	0	288	3	12.07	3.48	3.46	1.00	33.7	9.7	1.04	.255	3.86	78	3.18	69	5.85	11.2
5	Aaron Nola A. Nola	96	2020	PHI	12	5	5	.500	12	3.28	2	1	0	71.1	54	26	31	9	23	2	0	2	289	1	12.11	2.90	4.17	1.14	33.2	8.0	1.08	.283	3.91	73	3.18	70	6.81	10.6
6	Gerrit Cole G. Cole	94	2020	NYY	12	7	3	.700	12	2.84	2	1	0	73.0	53	23	27	14	17	2	0	0	288	2	11.59	2.10	5.53	1.73	32.6	5.9	0.96	.242	3.33	65	3.88	87	6.53	4.9
7	Yu Darvish Y. Darvish	93	2020	CHC	12	8	3	.727	12	2.01	0	0	0	76.0	59	17	18	5	14	2	0	1	297	3	11.01	1.66	6.64	0.59	31.3	4.7	0.96	.295	2.13	46	2.22	50	6.99	18.6
8	Dinelson Lamet D. Lamet	93	2020	SDP	12	3	1	.750	12	2.09	0	0	0	69.0	39	16	18	5	20	4	0	0	267	1	12.13	2.61	4.65	0.65	34.8	7.5	0.86	.234	2.35	49	2.47	56	5.09	15.1
9	Max Scherzer M. Scherzer	92	2020	WSH	12	5	4	.556	12	3.74	1	0	0	67.1	70	28	30	10	23	1	0	1	295	6	12.30	3.07	4.00	1.34	31.2	7.8	1.38	.355	4.01	83	3.45	76	9.36	8
10	Tyler Glasnow T. Glasnow	91	2020	TBR	11	5	1	.833	11	4.08	0	0	0	57.1	43	26	26	11	22	0	0	0	238	7	14.28	3.45	4.14	1.73	38.2	9.2	1.13	.281	4.08	97	3.65	86	6.75	3.9
11	Brandon Woodruff B. Woodruff	91	2020	MIL	13	3	5	.375	13	3.05	1	0	0	73.2	55	25	26	9	18	4	0	0	293	1	11.12	2.20	5.06	1.10	31.1	6.1	0.99	.269	3.18	68	3.20	72	6.72	10.2
12	Luis Castillo L. Castillo	89	2020	CIN	12	4	6	.400	12	3.21	1	0	0	70.0	62	25	31	5	24	1	0	0	292	1	11.44	3.09	3.71	0.64	30.5	8.2	1.23	.329	3.99	68	2.64	57	7.97	15.2
13	Lance Lynn L. Lynn	89	2020	TEX	13	6	3	.667	13	3.32	1	0	0	84.0	64	31	34	13	25	6	0	0	344	2	9.54	2.68	3.56	1.39	25.9	7.3	1.06	.242	3.64	74	4.18	91	6.86	3.7
14	Corbin Burnes C. Burnes	88	2020	MIL	12	4	1	.800	9	2.11	0	0	0	59.2	37	14	15	2	24	3	2	0	240	5	13.27	3.62	3.67	0.30	36.7	10.0	1.02	.285	2.26	47	2.03	46	5.58	16
15	Carlos Carrasco C. Carrasco	82	2020	CLE	12	3	4	.429	12	2.91	0	0	0	68.0	55	22	22	8	27	2	0	0	280	6	10.85	3.57	3.04	1.06	29.3	9.6	1.21	.292	2.91	66	3.58	81	7.28	6.5
16	Zac Gallen Z. Gallen	82	2020	ARI	12	3	2	.600	12	2.75	0	0	0	72.0	55	22	24	9	25	2	0	0	291	4	10.25	3.13	3.28	1.13	28.2	8.6	1.11	.266	3.00	61	3.65	84	6.88	5.7
17	Kenta Maeda K. Maeda	80	2020	MIN	11	6	1	.857	11	2.70	0	0	0	66.2	40	20	20	9	10	0	0	0	248	0	10.80	1.35	8.00	1.21	32.3	4.0	0.75	.208	2.70	62	2.99	68	5.40	10.5
18	Kevin Gausman K. Gausman	79	2020	SFG	12	3	3	.500	10	3.62	0	0	0	59.2	50	24	26	8	16	0	1	0	245	4	11.92	2.41	4.94	1.21	32.2	6.5	1.11	.296	3.92	83	3.08	72	7.54	8.1
19	Framber Valdez F. Valdez	76	2020	HOU	11	5	3	.625	10	3.57	0	0	0	70.2	63	28	32	5	16	5	0	0	288	6	9.68	2.04	4.75	0.64	26.4	5.6	1.12	.312	4.08	81	2.84	65	8.02	12.3
20	Germán Márquez G. Márquez	73	2020	COL	13	4	6	.400	13	3.75	0	0	0	81.2	78	34	41	6	25	0	0	0	344	4	8.04	2.76	2.92	0.66	21.2	7.3	1.26	.300	4.52	74	3.27	69	8.60	12.6
21	Dylan Bundy D. Bundy	72	2020	LAA	11	6	3	.667	11	3.29	1	0	0	65.2	51	24	27	5	17	4	0	1	267	2	9.87	2.33	4.24	0.69	27.0	6.4	1.04	.272	3.70	73	2.94	64	6.99	11.7
22	Sonny Gray S. Gray	72	2020	CIN	11	5	3	.625	11	3.70	0	0	0	56.0	42	23	26	4	26	2	0	0	235	7	11.57	4.18	2.77	0.64	30.6	11.1	1.21	.290	4.18	78	3.04	65	6.75	9.8
23	Hyun Jin Ryu H. Jin Ryu	72	2020	TOR	12	5	2	.714	12	2.69	0	0	0	67.0	60	20	22	6	17	1	0	0	275	1	9.67	2.28	4.24	0.81	26.2	6.2	1.15	.302	2.96	58	3.00	68	8.06	10.5
24	Zach Eflin Z. Eflin	70	2020	PHI	11	4	2	.667	10	3.97	1	1	0	59.0	60	26	28	8	15	1	0	0	245	1	10.68	2.29	4.67	1.22	28.6	6.1	1.27	.344	4.27	88	3.39	75	9.15	7.4
25	Andrew Heaney A. Heaney	70	2020	LAA	12	4	3	.571	12	4.45	0	0	0	66.2	63	33	35	9	19	2	0	1	279	2	9.45	2.57	3.68	1.21	25.1	6.8	1.23	.302	4.72	99	3.78	83	8.51	5.8