Gerrit Cole, Corbin Burnes and Jacob deGrom were tied for fanning the most batters in a game in 2021, with 15 strikeouts.

Interpreted as:

most strike outs pitcher in a regular-season game 2021

	NAME	SO	DATE	TM		OPP	DEC	GS	ERA	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Gerrit Cole G. Cole	15	9/1/2021	NYY	@	LAA	W	1	1.29	0	0	0	7.0	4	1	1	0	0	0	0	0	25	0
2	Corbin Burnes C. Burnes	15	8/11/2021	MIL	@	CHC	W	1	0.00	0	0	0	8.0	4	0	0	0	0	0	0	0	27	0
3	Jacob deGrom J. deGrom	15	4/23/2021	NYM	vs	WSH	W	1	0.00	1	1	0	9.0	2	0	0	0	0	0	0	0	29	0
4	Corbin Burnes C. Burnes	14	9/11/2021	MIL	@	CLE	W	1	0.00	0	0	0	8.0	0	0	0	0	1	0	0	0	25	0
5	Sandy Alcantara S. Alcantara	14	9/8/2021	MIA	vs	NYM		1	1.00	0	0	0	9.0	4	1	1	1	1	1	0	0	31	0
6	Robbie Ray R. Ray	14	8/25/2021	TOR	vs	CWS		1	1.29	0	0	0	7.0	5	1	1	0	1	1	0	0	28	0
7	Jacob deGrom J. deGrom	14	7/1/2021	NYM	@	ATL		1	3.86	0	0	0	7.0	5	3	3	1	0	0	0	0	26	0
8	Zack Wheeler Z. Wheeler	14	5/29/2021	PHI	@	TBR		1	3.86	0	0	0	7.0	4	3	3	1	2	0	0	0	27	0
9	Max Scherzer M. Scherzer	14	5/8/2021	WSH	@	NYY		1	1.23	0	0	0	7.1	2	1	1	1	1	0	0	0	25	0
10	Jacob deGrom J. deGrom	14	4/17/2021	NYM	@	COL	W	1	0.00	0	0	0	6.0	3	0	3	1	1	0	0	0	23	0
11	Tyler Glasnow T. Glasnow	14	4/12/2021	TBR	vs	TEX	W	1	0.00	0	0	0	7.2	2	0	0	0	1	0	0	0	25	0
12	Jacob deGrom J. deGrom	14	4/10/2021	NYM	vs	MIA	L	1	1.13	0	0	0	8.0	5	1	1	1	0	0	0	0	28	0
13	Robbie Ray R. Ray	13	9/15/2021	TOR	vs	TBR	W	1	1.29	0	0	0	7.0	4	1	1	1	0	0	0	0	25	0
14	Max Scherzer M. Scherzer	13	9/6/2021	LAD	@	STL	W	1	0.00	0	0	0	8.0	6	0	1	0	0	0	0	0	30	1
15	Blake Snell B. Snell	13	8/8/2021	SDP	vs	ARI	W	1	0.00	0	0	0	7.0	2	0	0	0	3	0	0	0	26	0
16	Patrick Sandoval P. Sandoval	13	7/24/2021	LAA	@	MIN	W	1	1.04	0	0	0	8.2	1	1	1	0	1	2	0	0	30	0
17	Sean Manaea S. Manaea	13	7/22/2021	OAK	@	SEA	W	1	1.29	0	0	0	7.0	3	1	1	1	3	1	0	0	28	0
18	Clayton Kershaw C. Kershaw	13	6/27/2021	LAD	vs	CHC	W	1	1.13	0	0	0	8.0	4	1	1	1	1	0	0	0	28	0
19	Robbie Ray R. Ray	13	6/8/2021	TOR	@	CWS		1	1.42	0	0	0	6.1	5	1	1	1	0	0	0	0	25	0
20	Corbin Burnes C. Burnes	13	6/6/2021	MIL	vs	ARI	W	1	0.00	0	0	0	7.0	4	0	0	0	0	0	0	0	25	0
21	Rich Hill R. Hill	13	5/25/2021	TBR	vs	KCR	L	1	2.25	0	0	0	8.0	6	2	2	1	0	1	0	0	31	0
22	Carlos Rodón C. Rodón	13	5/21/2021	CWS	@	NYY		1	0.00	0	0	0	6.0	2	0	0	0	0	0	0	0	21	0
23	Joe Musgrove J. Musgrove	13	4/19/2021	SDP	vs	MIL	L	1	2.57	0	0	0	7.0	4	2	2	2	1	0	0	0	26	0
24	Shane Bieber S. Bieber	13	4/18/2021	CLE	@	CIN	W	1	3.38	0	0	0	8.0	6	3	3	1	2	0	0	0	33	1
25	Gerrit Cole G. Cole	13	4/6/2021	NYY	vs	BAL	W	1	0.00	0	0	0	7.0	4	0	0	0	0	0	0	0	25	1