which pitcher recorded the most strikeouts in a single game this season

Grant Holmes struck out the most hitters in a game this season, with 15 strikeouts against the Rockies on June 15.

Interpreted as:

Which pitcher recorded the most strikeouts in a single regular-season game this season?

	NAME	SO	DATE	TM		OPP	DEC	GS	ERA	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Grant Holmes G. Holmes	15	6/15/2025	ATL	vs	COL	L	1	2.84	0	0	0	6.1	3	2	3	1	2	1	0	0	24	0
2	George Kirby G. Kirby	14	9/14/2025	SEA	vs	LAA	W	1	2.84	0	0	0	6.1	3	2	2	2	0	0	0	0	22	0
3	George Kirby G. Kirby	14	6/8/2025	SEA	@	LAA	W	1	2.57	0	0	0	7.0	2	2	2	1	0	0	0	0	23	0
4	Max Meyer M. Meyer	14	4/21/2025	MIA	vs	CIN	W	1	0.00	0	0	0	6.0	5	0	0	0	0	0	0	0	23	0
5	Max Fried M. Fried	13	9/18/2025	NYY	@	BAL	W	1	0.00	0	0	0	7.0	3	0	0	0	1	0	0	0	25	0
6	Bryan Woo B. Woo	13	9/13/2025	SEA	vs	LAA	W	1	3.00	0	0	0	6.0	3	2	2	1	1	0	0	0	22	0
7	Logan Gilbert L. Gilbert	13	8/24/2025	SEA	vs	ATH	W	1	1.50	0	0	0	6.0	3	1	1	1	1	0	0	0	22	0
8	Tarik Skubal T. Skubal	13	6/29/2025	DET	vs	MIN	W	1	0.00	0	0	0	7.0	1	0	0	0	1	0	0	0	23	0
9	Spencer Strider S. Strider	13	6/14/2025	ATL	vs	COL	W	1	0.00	0	0	0	6.0	3	0	0	0	1	0	0	0	22	0
10	Tarik Skubal T. Skubal	13	5/25/2025	DET	vs	CLE	W	1	0.00	1	1	0	9.0	2	0	0	0	0	1	0	0	29	0
11	MacKenzie Gore M. Gore	13	4/19/2025	WSH	@	COL	W	1	3.00	0	0	0	6.0	4	2	2	1	2	0	0	0	24	0
12	Zack Wheeler Z. Wheeler	13	4/18/2025	PHI	vs	MIA	W	1	2.57	0	0	0	7.0	5	2	2	1	0	0	0	0	26	0
13	Zac Gallen Z. Gallen	13	4/2/2025	AZ	@	NYY	W	1	0.00	0	0	0	6.2	3	0	0	0	0	0	0	0	24	1
14	MacKenzie Gore M. Gore	13	3/27/2025	WSH	vs	PHI		1	0.00	0	0	0	6.0	1	0	0	0	0	0	0	0	18	0
15	Nick Lodolo N. Lodolo	12	9/25/2025	CIN	vs	PIT	W	1	0.00	0	0	0	6.1	2	0	0	0	1	0	0	0	22	0
16	Gavin Williams G. Williams	12	9/23/2025	CLE	vs	DET	W	1	3.00	0	0	0	6.0	4	2	2	1	2	0	0	0	24	0
17	Blake Snell B. Snell	12	9/17/2025	LAD	vs	PHI	W	1	0.00	0	0	0	7.0	2	0	0	0	2	0	0	0	25	0
18	Garrett Crochet G. Crochet	12	9/14/2025	BOS	vs	NYY	W	1	4.50	0	0	0	6.0	5	3	3	2	1	0	0	0	24	1
19	Ranger Suárez R. Suárez	12	9/9/2025	PHI	vs	NYM	W	1	0.00	0	0	0	6.0	1	0	0	0	3	0	0	0	21	0
20	Hunter Greene H. Greene	12	9/7/2025	CIN	vs	NYM	W	1	1.29	0	0	0	7.0	1	1	1	1	2	0	0	0	24	0
21	Tarik Skubal T. Skubal	12	8/25/2025	DET	@	ATH	L	1	1.35	0	0	0	6.2	7	1	6	2	0	0	0	0	28	0
22	Jesús Luzardo J. Luzardo	12	8/20/2025	PHI	vs	SEA	W	1	1.50	0	0	0	6.0	3	1	1	1	0	0	0	0	21	0
23	Hunter Greene H. Greene	12	8/19/2025	CIN	@	LAA		1	4.26	0	0	0	6.1	6	3	3	1	0	0	0	0	25	0
24	Cristopher Sánchez C. Sánchez	12	8/19/2025	PHI	vs	SEA		1	2.84	0	0	0	6.1	6	2	2	0	2	0	0	0	27	0
25	Framber Valdez F. Valdez	12	7/28/2025	HOU	vs	WSH		1	1.50	0	0	0	6.0	3	1	1	0	2	0	0	0	23	0