Zack Littell has given up the most home runs this season, with 24 HR.

Interpreted as:

most home runs allowed by a player per nine this regular season

	NAME	HR	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	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	Zack Littell Z. Littell	24	2025	TBR	19	8	7	.533	19	3.56	80	1	0	0	116.1	109	46	46	17	5	0	1	463	2	6.19	1.32	4.71	1.86	17.3	3.7	1.08	.252	3.56	92	4.95	124	8.43	-13.1
2	Jameson Taillon J. Taillon	22	2025	CHC	17	7	6	.538	17	4.44	74	0	0	0	95.1	86	47	48	20	0	0	0	388	1	6.99	1.89	3.70	2.08	19.1	5.2	1.11	.235	4.53	111	5.15	130	8.12	-12.9
3	Jake Irvin J. Irvin	22	2025	WSH	20	7	5	.583	20	4.58	83	0	0	0	116.0	112	59	63	38	4	0	0	494	1	6.44	2.95	2.18	1.71	16.8	7.7	1.29	.259	4.89	112	5.19	127	8.69	-14.1
4	Zac Gallen Z. Gallen	21	2025	AZ	20	7	10	.412	20	5.40	110	0	0	0	115.0	113	69	74	45	3	0	1	496	1	8.61	3.52	2.44	1.64	22.2	9.1	1.37	.290	5.79	130	4.79	122	8.84	-11.5
5	Bailey Ober B. Ober	21	2025	MIN	17	4	6	.400	17	5.28	74	1	0	0	92.0	108	54	55	22	4	0	0	406	1	7.24	2.15	3.36	2.05	18.2	5.4	1.41	.305	5.38	131	5.28	129	10.57	-12.1
6	JP Sears	21	2025	ATH	20	7	8	.467	20	5.13	84	0	0	0	101.2	104	58	59	26	5	0	0	434	1	7.44	2.30	3.23	1.86	19.4	6.0	1.28	.279	5.22	127	5.02	123	9.21	-10.4
7	Jack Flaherty J. Flaherty	19	2025	DET	19	5	9	.357	19	4.65	124	0	0	0	100.2	85	52	53	40	3	0	0	420	1	11.09	3.58	3.10	1.70	29.5	9.5	1.24	.282	4.74	117	4.35	107	7.60	-3.3
8	Jeffrey Springs J. Springs	19	2025	ATH	20	8	6	.571	18	3.93	86	0	0	0	110.0	92	48	59	38	1	0	0	459	0	7.04	3.11	2.26	1.55	18.7	8.3	1.18	.232	4.83	98	4.82	118	7.53	-8.8
9	Bowden Francis B. Francis	19	2025	TOR	14	2	8	.200	14	6.05	54	0	0	0	64.0	71	43	46	27	6	0	0	288	3	7.59	3.80	2.00	2.67	18.8	9.4	1.53	.286	6.47	152	6.79	166	9.98	-19.2
10	Tomoyuki Sugano T. Sugano	19	2025	BAL	18	7	5	.583	18	4.44	59	0	0	0	99.1	107	49	50	22	4	0	2	422	2	5.35	1.99	2.68	1.72	14.0	5.2	1.30	.277	4.53	112	5.16	128	9.69	-12.9
11	Andrew Heaney A. Heaney	18	2025	PIT	19	4	8	.333	18	4.59	73	0	0	0	98.0	90	50	50	33	4	0	0	412	2	6.70	3.03	2.21	1.65	17.7	8.0	1.26	.254	4.59	109	5.10	126	8.27	-11.5
12	Ryan Pepiot R. Pepiot	18	2025	TBR	20	6	7	.462	20	3.38	110	0	0	0	114.1	95	43	45	37	5	0	0	462	3	8.66	2.91	2.97	1.42	23.8	8.0	1.15	.264	3.54	88	4.30	108	7.48	-4.4
13	Tyler Anderson T. Anderson	17	2025	LAA	19	2	6	.250	19	4.34	82	0	0	0	101.2	104	49	53	39	3	0	4	448	5	7.26	3.45	2.10	1.50	18.3	8.7	1.41	.283	4.69	106	4.87	115	9.21	-7
14	Walker Buehler W. Buehler	17	2025	BOS	16	6	6	.500	16	6.12	63	0	0	0	78.0	87	53	56	35	8	0	0	355	0	7.27	4.04	1.80	1.96	17.7	9.9	1.56	.302	6.46	143	5.95	144	10.04	-15.5
15	Michael Lorenzen M. Lorenzen	17	2025	KCR	18	5	8	.385	18	4.61	85	0	0	0	99.2	101	51	53	29	2	0	0	424	10	7.68	2.62	2.93	1.54	20.0	6.8	1.30	.289	4.79	109	4.52	110	9.12	-4.7
16	Seth Lugo S. Lugo	17	2025	KCR	18	6	5	.545	18	2.94	93	0	0	0	107.0	86	35	37	31	3	0	1	427	3	7.82	2.61	3.00	1.43	21.8	7.3	1.09	.244	3.11	70	4.35	106	7.23	-3
17	Shane Baz S. Baz	17	2025	TBR	19	8	5	.615	19	4.17	107	0	0	0	110.0	98	51	51	40	6	0	0	458	2	8.75	3.27	2.68	1.39	23.4	8.7	1.25	.281	4.17	108	4.39	110	8.02	-5.4
18	Brandon Pfaadt B. Pfaadt	17	2025	AZ	20	10	6	.625	20	4.82	90	0	0	0	106.1	111	57	60	23	10	0	1	456	2	7.62	1.95	3.91	1.44	19.7	5.0	1.26	.297	5.08	116	4.39	112	9.39	-5.8
19	Tanner Bibee T. Bibee	17	2025	CLE	19	5	9	.357	19	4.29	95	1	0	0	109.0	102	52	55	33	7	0	1	456	2	7.84	2.72	2.88	1.40	20.8	7.2	1.24	.280	4.54	108	4.46	110	8.42	-5
20	Zach Eflin Z. Eflin	16	2025	BAL	12	6	5	.545	12	5.95	42	0	0	0	62.0	78	41	42	11	2	0	0	269	1	6.10	1.60	3.82	2.32	15.6	4.1	1.44	.313	6.10	151	5.70	142	11.32	-11.9
21	Kyle Hendricks K. Hendricks	16	2025	LAA	18	5	6	.455	18	4.88	65	0	0	0	96.0	100	52	56	24	4	0	3	410	0	6.09	2.25	2.71	1.50	15.9	5.9	1.29	.279	5.25	119	4.76	113	9.38	-5.5
22	Colin Rea C. Rea	16	2025	CHC	20	8	3	.727	16	3.80	70	0	0	1	97.0	97	41	42	27	3	3	0	403	2	6.49	2.51	2.59	1.48	17.4	6.7	1.28	.282	3.90	95	4.70	119	9.00	-8.2
23	Eduardo Rodriguez E. Rodriguez	16	2025	AZ	16	3	6	.333	16	5.94	90	0	0	0	80.1	105	53	61	29	1	0	2	376	3	10.08	3.25	3.10	1.79	23.9	7.7	1.67	.371	6.83	143	4.54	116	11.76	-5.8
24	Antonio Senzatela A. Senzatela	16	2025	COL	19	3	13	.188	18	6.60	49	0	0	0	91.1	140	67	74	33	4	0	0	440	8	4.83	3.25	1.48	1.58	11.1	7.5	1.89	.367	7.29	142	5.49	129	13.80	-11.9
25	Bailey Falter B. Falter	16	2025	PIT	20	6	5	.545	20	4.00	61	0	0	0	101.1	89	45	51	35	1	0	0	413	4	5.42	3.11	1.74	1.42	14.8	8.5	1.22	.243	4.53	95	4.99	123	7.90	-10.6