Germán Márquez has allowed the most runs this season, with 55 runs.

Interpreted as:

most runs given up by a player 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	ERA-	FIP	FIP-	H/9	PRAA
1	Germán Márquez G. Márquez	55	2025	COL	13	2	8	.200	13	7.00	41	0	0	0	63.0	85	49	7	21	5	0	0	296	4	5.86	3.00	1.95	1.00	13.9	7.1	1.68	.351	7.86	154	4.44	107	12.14	-1.9
2	Antonio Senzatela A. Senzatela	52	2025	COL	13	1	10	.091	12	6.68	33	0	0	0	62.0	101	46	11	21	1	0	0	300	3	4.79	3.05	1.57	1.60	11.0	7.0	1.97	.385	7.55	147	5.37	130	14.66	-7.9
3	Sandy Alcantara S. Alcantara	51	2025	MIA	12	2	7	.222	12	7.89	44	0	0	0	57.0	60	50	8	30	2	0	0	261	4	6.95	4.74	1.47	1.26	16.9	11.5	1.58	.294	8.05	192	5.02	127	9.47	-6.8
4	Kyle Freeland K. Freeland	51	2025	COL	13	1	8	.111	13	5.19	52	0	0	0	67.2	91	39	7	13	2	0	1	303	1	6.92	1.73	4.00	0.93	17.2	4.3	1.54	.367	6.78	114	3.53	85	12.10	4.5
5	Luis Severino L. Severino	47	2025	ATH	14	1	6	.143	14	4.77	60	0	0	0	83.0	83	44	6	27	5	0	1	361	1	6.51	2.93	2.22	0.65	16.6	7.5	1.33	.293	5.10	120	3.71	91	9.00	3.2
6	Zac Gallen Z. Gallen	45	2025	AZ	13	4	7	.364	13	5.13	70	0	0	0	73.2	65	42	11	33	2	0	1	319	1	8.55	4.03	2.12	1.34	21.9	10.3	1.33	.266	5.50	126	4.53	118	7.94	-6
7	Charlie Morton C. Morton	43	2025	BAL	15	2	7	.222	9	6.59	57	0	0	0	56.0	64	41	10	31	4	1	0	265	1	9.16	4.98	1.84	1.61	21.5	11.7	1.70	.331	6.91	169	5.22	131	10.29	-7.9
8	Eduardo Rodriguez E. Rodriguez	43	2025	AZ	10	1	3	.250	10	6.70	55	0	0	0	49.2	64	37	9	18	0	0	0	232	2	9.97	3.26	3.06	1.63	23.7	7.8	1.65	.367	7.79	165	4.29	112	11.60	-2.7
9	Jeffrey Springs J. Springs	43	2025	ATH	13	5	4	.556	12	4.66	56	0	0	0	67.2	60	35	11	31	0	0	0	295	0	7.45	4.12	1.81	1.46	19.0	10.5	1.34	.249	5.72	117	4.89	121	7.98	-6.3
10	Jack Kochanowicz J. Kochanowicz	43	2025	LAA	13	3	7	.300	13	5.61	48	0	0	0	67.1	77	42	11	33	5	0	2	301	3	6.42	4.41	1.45	1.47	15.9	11.0	1.63	.324	5.75	138	5.45	130	10.29	-9.1
11	Brandon Pfaadt B. Pfaadt	43	2025	AZ	13	7	4	.636	13	5.51	51	0	0	0	65.1	72	40	12	17	6	0	1	286	2	7.03	2.34	3.00	1.65	17.8	5.9	1.36	.300	5.92	135	4.94	129	9.92	-8.4
12	Dean Kremer D. Kremer	42	2025	BAL	13	5	6	.455	13	4.98	53	0	0	0	72.1	83	40	10	19	1	0	0	315	5	6.59	2.36	2.79	1.24	16.8	6.0	1.41	.315	5.23	128	4.22	106	10.33	-2
13	Tanner Houck T. Houck	41	2025	BOS	9	0	3	.000	9	8.04	32	0	0	0	43.2	57	39	10	17	5	0	0	203	2	6.60	3.50	1.88	2.06	15.8	8.4	1.69	.338	8.45	191	6.08	148	11.75	-9.5
14	Trevor Williams T. Williams	41	2025	WSH	12	3	6	.333	12	6.03	47	0	0	0	59.2	70	40	7	16	2	0	0	264	1	7.09	2.41	2.94	1.06	17.8	6.1	1.44	.328	6.18	151	3.91	98	10.56	0.5
15	Bowden Francis B. Francis	40	2025	TOR	12	2	7	.222	12	5.84	48	0	0	0	57.0	65	37	17	19	4	0	0	252	3	7.58	3.00	2.53	2.68	19.0	7.5	1.47	.293	6.32	148	6.46	159	10.26	-15.2
16	Taj Bradley T. Bradley	40	2025	TBR	13	4	5	.444	13	4.58	66	0	0	0	74.2	64	38	10	29	4	0	0	310	0	7.96	3.50	2.28	1.21	21.3	9.4	1.25	.269	4.82	120	4.36	111	7.71	-3.7
17	Kyle Hendricks K. Hendricks	39	2025	LAA	12	3	6	.333	12	5.40	41	0	0	0	65.0	66	39	11	20	4	0	3	278	0	5.68	2.77	2.05	1.52	14.7	7.2	1.32	.272	5.40	133	5.11	122	9.14	-6.4
18	Michael Lorenzen M. Lorenzen	39	2025	KCR	12	3	6	.333	12	5.12	54	0	0	0	65.0	75	37	12	20	2	0	0	288	9	7.48	2.77	2.70	1.66	18.8	6.9	1.46	.315	5.40	123	4.81	119	10.38	-5.4
19	Jesús Luzardo J. Luzardo	39	2025	PHI	13	5	2	.714	13	4.46	83	0	0	0	72.2	81	36	6	24	1	0	0	314	1	10.28	2.97	3.46	0.74	26.4	7.6	1.44	.375	4.83	111	2.88	72	10.03	9.1
20	JP Sears	39	2025	ATH	13	5	5	.500	13	5.21	49	0	0	0	67.1	73	39	15	14	4	0	0	290	1	6.55	1.87	3.50	2.00	16.9	4.8	1.29	.279	5.21	131	5.30	131	9.76	-9.3
21	Ben Brown B. Brown	39	2025	CHC	13	3	4	.429	11	5.37	78	0	0	0	63.2	71	38	7	20	3	0	0	282	1	11.03	2.83	3.90	0.99	27.7	7.1	1.43	.368	5.51	137	3.12	81	10.04	5.3
22	Max Meyer M. Meyer	39	2025	MIA	12	3	5	.375	12	4.73	68	0	0	0	64.2	72	34	12	20	2	0	0	285	0	9.46	2.78	3.40	1.67	23.9	7.0	1.42	.328	5.43	115	4.39	111	10.02	-3.2
23	Dylan Cease D. Cease	38	2025	SDP	13	1	5	.167	13	4.72	85	0	0	0	68.2	66	36	8	24	1	0	1	292	2	11.14	3.15	3.54	1.05	29.1	8.2	1.31	.333	4.98	122	3.19	82	8.65	5.5
24	Mitch Keller M. Keller	38	2025	PIT	13	1	8	.111	13	4.13	61	0	0	0	76.1	77	35	5	20	4	0	0	324	1	7.19	2.36	3.05	0.59	18.8	6.2	1.27	.308	4.48	100	3.26	83	9.08	5.8
25	Mitchell Parker M. Parker	38	2025	WSH	13	4	6	.400	13	4.44	47	0	0	0	71.0	61	35	6	28	3	0	0	300	2	5.96	3.55	1.68	0.76	15.7	9.3	1.25	.255	4.82	111	4.14	104	7.73	-1.2