Jack Flaherty allowed his most runs in a game against the Angels on May 4, 2023, with 10 runs.

Interpreted as:

Jack Flaherty most runs allowed in a regular-season game

	NAME	R	DATE	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	HR	BB	HBP	GF	IBB	TBF	WP
1	Jack Flaherty J. Flaherty	10	5/4/2023	STL	vs	LAA	L	1	38.57	3	0	0	0	2.1	9	10	1	1	1	0	0	17	0
2	Jack Flaherty J. Flaherty	9	9/15/2020	STL	@	MIL	L	1	27.00	6	0	0	0	3.0	8	9	2	2	0	0	0	19	0
3	Jack Flaherty J. Flaherty	7	8/15/2023	BAL	@	SDP	L	1	21.00	3	0	0	0	3.0	4	7	1	4	0	0	0	17	0
4	Jack Flaherty J. Flaherty	7	5/25/2021	STL	@	CWS	L	1	7.36	3	0	0	0	3.2	6	3	1	2	2	0	0	24	2
5	Jack Flaherty J. Flaherty	7	6/25/2019	STL	vs	OAK	L	1	13.50	5	0	0	0	4.2	9	7	3	1	0	0	0	24	0
6	Jack Flaherty J. Flaherty	6	4/7/2024	DET	vs	OAK	L	1	9.00	5	0	0	0	6.0	9	6	1	1	1	0	0	28	0
7	Jack Flaherty J. Flaherty	6	6/19/2023	STL	@	WSH	W	1	8.53	5	0	0	0	6.1	10	6	0	1	1	0	0	28	1
8	Jack Flaherty J. Flaherty	6	6/13/2023	STL	vs	SFG	L	1	12.46	3	0	0	0	4.1	10	6	0	3	1	0	0	26	0
9	Jack Flaherty J. Flaherty	6	4/1/2021	STL	@	CIN		1	12.46	4	0	0	0	4.1	6	6	2	2	1	0	0	22	1
10	Jack Flaherty J. Flaherty	6	6/6/2018	STL	vs	MIA	L	1	7.20	6	0	0	0	5.0	8	4	1	1	1	0	0	26	0
11	Jack Flaherty J. Flaherty	5	5/10/2025	DET	vs	TEX	L	1	15.00	4	0	0	0	3.0	4	5	4	2	0	0	0	15	0
12	Jack Flaherty J. Flaherty	5	5/3/2025	DET	@	LAA	L	1	6.35	8	0	0	0	5.2	8	4	0	1	0	0	0	26	0
13	Jack Flaherty J. Flaherty	5	6/27/2024	DET	@	LAA	L	1	7.94	7	0	0	0	5.2	7	5	3	1	0	0	0	25	2
14	Jack Flaherty J. Flaherty	5	9/9/2023	BAL	@	BOS		1	10.80	3	0	0	0	3.1	8	4	1	1	0	0	0	19	0
15	Jack Flaherty J. Flaherty	5	4/28/2023	STL	@	LAD	L	1	7.71	7	0	0	0	4.2	7	4	1	2	1	0	0	25	1
16	Jack Flaherty J. Flaherty	5	4/19/2021	STL	@	WSH	W	1	3.00	5	0	0	0	6.0	6	2	0	2	0	0	0	27	1
17	Jack Flaherty J. Flaherty	5	4/16/2019	STL	@	MIL	L	1	16.88	4	0	0	0	2.2	9	5	2	1	0	0	0	18	0
18	Jack Flaherty J. Flaherty	5	9/19/2018	STL	@	ATL	L	1	9.64	6	0	0	0	4.2	5	5	1	2	0	0	0	21	1
19	Jack Flaherty J. Flaherty	5	9/1/2017	STL	@	SFG		1	11.25	6	0	0	0	4.0	8	5	1	1	0	0	1	21	0
20	Jack Flaherty J. Flaherty	4	4/28/2025	DET	@	HOU	L	1	7.20	4	0	0	0	5.0	6	4	2	2	0	0	0	21	0
21	Jack Flaherty J. Flaherty	4	9/14/2024	LAD	@	ATL	L	1	12.00	4	0	0	0	3.0	5	4	0	4	0	0	0	18	1
22	Jack Flaherty J. Flaherty	4	8/9/2024	LAD	vs	PIT	W	1	6.35	10	0	0	0	5.2	9	4	2	1	0	0	0	27	0
23	Jack Flaherty J. Flaherty	4	4/24/2024	DET	@	TBR		1	7.20	6	0	0	0	5.0	7	4	1	0	0	0	0	21	1
24	Jack Flaherty J. Flaherty	4	4/19/2024	DET	@	MIN		1	3.00	10	0	0	0	6.0	4	2	1	1	0	0	0	24	0
25	Jack Flaherty J. Flaherty	4	9/3/2023	BAL	@	ARI		1	7.71	7	0	0	0	4.2	6	4	2	1	0	0	0	22	1