most runs allowed by a relief pitcher in one appearance

Noah Murdock has given up the most runs by a relief pitcher this season, with 23 runs.

Interpreted as:

most runs allowed by a relief pitcher in one appearance this regular season

	NAME	R	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Noah Murdock N. Murdock	23	2025	ATH	12	1	0	1.000	0	13.80	17	0	0	0	15.0	23	23	0	19	2	2	3	88	0	10.20	11.40	0.89	0.00	19.3	21.6	2.80	.460	13.80	13.80
2	Jose A. Ferrer J. A. Ferrer	19	2025	WSH	19	0	2	.000	0	8.05	20	0	0	0	19.0	27	17	1	7	3	1	0	92	2	9.47	3.32	2.86	0.47	21.7	7.6	1.79	.426	9.00	12.79
3	George Soriano G. Soriano	18	2025	MIA	11	1	0	1.000	0	8.35	19	0	0	0	18.1	21	17	6	11	2	4	1	86	1	9.33	5.40	1.73	2.95	22.1	12.8	1.75	.313	8.84	10.31
4	Cionel Pérez C. Pérez	17	2025	BAL	13	0	0		0	9.20	16	0	0	0	14.2	22	15	2	12	2	4	1	79	1	9.82	7.36	1.33	1.23	20.3	15.2	2.32	.426	10.43	13.50
5	Eduardo Salazar E. Salazar	17	2025	WSH	17	0	1	.000	0	9.77	11	0	0	0	15.2	28	17	4	7	1	5	0	82	2	6.32	4.02	1.57	2.30	13.4	8.5	2.23	.407	9.77	16.09
6	Lucas Sims L. Sims	16	2025	WSH	17	1	0	1.000	0	12.34	13	0	0	0	11.2	13	16	2	10	6	2	0	64	2	10.03	7.71	1.30	1.54	20.3	15.6	1.97	.333	12.34	10.03
7	Mitch Spence M. Spence	15	2025	ATH	13	1	0	1.000	0	3.68	20	0	0	1	22.0	24	9	1	8	1	2	0	99	1	8.18	3.27	2.50	0.41	20.2	8.1	1.45	.333	6.14	9.82
8	Jordan Romano J. Romano	15	2025	PHI	14	0	1	.000	0	10.22	11	0	0	2	12.1	16	14	3	6	1	4	1	58	0	8.03	4.38	1.83	2.19	19.0	10.3	1.78	.351	10.95	11.68
9	Devin Williams D. Williams	15	2025	NYY	14	0	2	.000	0	10.03	13	0	0	4	11.2	13	13	0	10	1	8	0	58	1	10.03	7.71	1.30	0.00	22.4	17.2	1.97	.382	11.57	10.03
10	Casey Lawrence C. Lawrence	14	2025	TOT	5	1	1	.500	0	4.97	5	0	0	0	12.2	20	7	2	1	1	4	0	60	1	3.55	0.71	5.00	1.42	8.3	1.7	1.66	.353	9.95	14.21
11	Joel Payamps J. Payamps	14	2025	MIL	16	0	1	.000	0	9.45	12	0	0	1	13.1	17	14	3	4	0	5	1	60	0	8.10	2.70	3.00	2.03	20.0	6.7	1.58	.341	9.45	11.48
12	Ian Anderson I. Anderson	13	2025	LAA	7	0	1	.000	0	11.57	8	0	0	0	9.1	17	12	2	7	0	4	1	51	2	7.71	6.75	1.14	1.93	15.7	13.7	2.57	.441	12.54	16.39
13	Reid Detmers R. Detmers	13	2025	LAA	11	0	2	.000	0	8.16	14	0	0	0	14.1	19	13	2	6	0	2	0	66	0	8.79	3.77	2.33	1.26	21.2	9.1	1.74	.386	8.16	11.93
14	Mason Englert M. Englert	13	2025	TBR	11	0	0		0	6.00	18	0	0	0	18.0	23	12	2	4	1	2	0	80	0	9.00	2.00	4.50	1.00	22.5	5.0	1.50	.382	6.50	11.50
15	Chris Stratton C. Stratton	13	2025	KCR	9	0	0		0	8.25	9	0	0	0	12.0	22	11	2	6	0	5	0	64	0	6.75	4.50	1.50	1.50	14.1	9.4	2.33	.426	9.75	16.50
16	Ryan Fernandez R. Fernandez	13	2025	STL	11	0	2	.000	0	11.42	7	0	0	0	8.2	15	11	2	5	0	4	1	45	0	7.27	5.19	1.40	2.08	15.6	11.1	2.31	.419	13.50	15.58
17	Jorge Alcala J. Alcala	13	2025	MIN	13	0	2	.000	0	8.78	13	0	0	0	13.1	17	13	2	10	1	6	0	65	1	8.78	6.75	1.30	1.35	20.0	15.4	2.03	.385	8.78	11.48
18	Joe Mantiply J. Mantiply	13	2025	AZ	8	0	1	.000	0	15.95	7	0	0	0	7.1	20	13	3	2	1	3	0	45	0	8.59	2.45	3.50	3.68	15.6	4.4	3.00	.531	15.95	24.55
19	Gerson Garabito G. Garabito	12	2025	TEX	3	0	0		0	9.00	8	0	0	0	8.0	15	8	1	1	2	1	0	41	0	9.00	1.13	8.00	1.13	19.5	2.4	2.00	.483	13.50	16.88
20	Connor Thomas C. Thomas	12	2025	MIL	2	0	0		0	20.25	5	0	0	0	5.1	12	12	3	2	1	0	0	31	0	8.44	3.38	2.50	5.06	16.1	6.5	2.63	.450	20.25	20.25
21	Tyler Kinley T. Kinley	12	2025	COL	14	0	1	.000	0	6.92	14	0	0	1	13.0	14	10	0	11	1	5	3	66	3	9.69	7.62	1.27	0.00	21.2	16.7	1.92	.350	8.31	9.69
22	Griffin Jax G. Jax	12	2025	MIN	16	0	2	.000	0	6.75	24	0	0	0	14.2	18	11	3	3	0	1	0	66	0	14.73	1.84	8.00	1.84	36.4	4.5	1.43	.417	7.36	11.05
23	Colin Poche C. Poche	12	2025	WSH	13	1	2	.333	0	11.42	10	0	0	0	8.2	10	11	1	12	0	0	0	46	1	10.38	12.46	0.83	1.04	21.7	26.1	2.54	.391	12.46	10.38
24	Sam Long S. Long	12	2025	KCR	7	0	2	.000	0	12.86	6	0	0	0	7.0	12	10	2	5	0	3	1	37	3	7.71	6.43	1.20	2.57	16.2	13.5	2.43	.417	15.43	15.43
25	Luarbert Arias L. Arias	11	2025	MIA	6	0	0		0	10.61	9	0	0	0	9.1	15	11	1	5	2	4	0	50	1	8.68	4.82	1.80	0.96	18.0	10.0	2.14	.424	10.61	14.46