Brandon Pfaadt give up the most H/9 this season, with 10.22 per nine innings.

Interpreted as:

highest pitching h/9 with a minimum of 1 IP per team game by a player this season

	NAME	H/9	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	PRAA
1	Brandon Pfaadt B. Pfaadt	10.22	2025	AZ	25	12	8	.600	25	5.08	108	0	0	0	133.0	151	75	78	21	30	10	0	1	582	2	7.31	2.03	3.60	1.42	18.6	5.2	1.36	.315	5.28	120	4.44	112	-7.2
2	Mitchell Parker M. Parker	9.70	2025	WSH	24	7	13	.350	24	5.55	84	0	0	0	128.0	138	79	88	17	49	3	0	0	567	2	5.91	3.45	1.71	1.20	14.8	8.6	1.46	.292	6.19	134	4.74	115	-8.4
3	Chris Bassitt C. Bassitt	9.48	2025	TOR	26	11	6	.647	25	4.22	132	1	0	0	138.2	146	65	68	21	39	12	0	0	600	3	8.57	2.53	3.38	1.36	22.0	6.5	1.33	.316	4.41	105	4.27	103	-1.7
4	Jake Irvin J. Irvin	9.39	2025	WSH	25	8	7	.533	25	5.14	94	0	0	0	140.0	146	80	85	27	47	5	0	0	607	3	6.04	3.02	2.00	1.74	15.5	7.7	1.38	.274	5.46	124	5.38	130	-19.1
5	Andre Pallante A. Pallante	9.37	2025	STL	24	6	10	.375	24	5.04	88	0	0	0	128.2	134	72	75	17	44	1	0	0	555	7	6.16	3.08	2.00	1.19	15.9	7.9	1.38	.289	5.25	122	4.51	112	-7.2
6	Sandy Alcantara S. Alcantara	9.28	2025	MIA	24	6	11	.353	24	6.31	97	0	0	0	127.0	131	89	91	15	48	6	0	0	557	7	6.87	3.40	2.02	1.06	17.4	8.6	1.41	.297	6.45	147	4.39	107	-4.1
7	Tomoyuki Sugano T. Sugano	9.26	2025	BAL	23	10	5	.667	23	4.13	82	0	0	0	126.1	130	58	60	21	32	7	0	2	538	3	5.84	2.28	2.56	1.50	15.2	5.9	1.28	.275	4.27	104	4.89	120	-11.8
8	Logan Webb L. Webb	9.25	2025	SFG	25	10	9	.526	25	3.34	168	0	0	0	153.2	158	57	61	11	35	4	0	0	642	2	9.84	2.05	4.80	0.64	26.2	5.5	1.26	.347	3.57	82	2.61	66	23.3
9	Luis Severino L. Severino	9.18	2025	ATH	24	6	11	.353	24	4.82	103	0	0	0	136.1	139	73	82	13	44	13	0	1	598	3	6.80	2.90	2.34	0.86	17.2	7.4	1.34	.296	5.41	119	4.09	98	1.1
10	Sonny Gray S. Gray	9.17	2025	STL	25	11	5	.688	25	4.30	155	1	1	0	140.1	143	67	72	19	24	3	0	0	577	1	9.94	1.54	6.46	1.22	26.9	4.2	1.19	.330	4.62	104	3.23	81	12.3
11	Yusei Kikuchi Y. Kikuchi	9.13	2025	LAA	26	6	8	.429	26	3.52	149	0	0	0	143.0	145	56	64	19	61	2	0	3	621	6	9.38	3.84	2.44	1.20	24.0	9.8	1.44	.323	4.03	85	4.07	95	3.5
12	Tyler Anderson T. Anderson	9.12	2025	LAA	23	2	7	.222	23	4.63	97	0	0	0	122.1	124	63	67	26	47	3	0	4	538	5	7.14	3.46	2.06	1.91	18.0	8.7	1.40	.268	4.93	112	5.51	128	-16
13	Chris Paddack C. Paddack	9.02	2025	TOT	24	4	10	.286	24	4.76	92	0	0	0	126.2	127	67	71	20	28	3	0	0	530	3	6.54	1.99	3.29	1.42	17.4	5.3	1.22	.276	5.04	117	4.44	107	-4
14	Mitch Keller M. Keller	8.96	2025	PIT	25	5	11	.313	25	4.13	112	0	0	0	141.2	141	65	70	13	39	5	0	0	601	2	7.12	2.48	2.87	0.83	18.6	6.5	1.27	.296	4.45	96	3.65	89	7.1
15	Zac Gallen Z. Gallen	8.94	2025	AZ	25	9	12	.429	25	5.31	131	0	0	0	144.0	143	85	90	24	52	4	0	1	621	1	8.19	3.25	2.52	1.50	21.1	8.4	1.35	.290	5.63	125	4.62	116	-10.8
16	Nick Martinez N. Martinez	8.94	2025	CIN	27	10	9	.526	24	4.73	98	0	0	0	139.0	138	73	75	19	33	4	0	0	573	5	6.35	2.14	2.97	1.23	17.1	5.8	1.23	.284	4.86	106	4.27	98	1.4
17	Jesús Luzardo J. Luzardo	8.94	2025	PHI	25	11	6	.647	25	4.21	158	0	0	0	139.0	138	65	69	13	48	1	0	0	588	2	10.23	3.11	3.29	0.84	26.9	8.2	1.34	.340	4.47	100	3.11	74	16.4
18	Dean Kremer D. Kremer	8.91	2025	BAL	24	8	9	.471	23	4.17	116	0	0	0	140.1	139	65	67	18	36	1	0	0	581	5	7.44	2.31	3.22	1.15	20.0	6.2	1.25	.295	4.30	105	3.91	96	2.6
19	Tanner Bibee T. Bibee	8.76	2025	CLE	24	9	9	.500	24	4.54	124	1	0	0	136.2	133	69	76	22	43	7	0	1	579	2	8.17	2.83	2.88	1.45	21.4	7.4	1.29	.290	5.00	113	4.48	109	-5.6
20	MacKenzie Gore M. Gore	8.67	2025	WSH	25	5	12	.294	25	4.04	165	0	0	0	138.0	133	62	63	17	49	5	0	0	583	12	10.76	3.20	3.37	1.11	28.3	8.4	1.32	.334	4.11	97	3.49	84	9.9
21	Shane Baz S. Baz	8.67	2025	TBR	24	8	9	.471	24	4.93	140	0	0	0	135.0	130	74	75	21	50	7	0	0	576	3	9.33	3.33	2.80	1.40	24.3	8.7	1.33	.304	5.00	127	4.32	107	-4.5
22	Luis Castillo L. Castillo	8.60	2025	SEA	25	8	6	.571	25	3.48	125	0	0	0	142.1	136	55	60	18	38	6	0	0	595	2	7.90	2.40	3.29	1.14	21.0	6.4	1.22	.289	3.79	91	3.92	98	1
23	Zack Littell Z. Littell	8.58	2025	TOT	25	9	8	.529	25	3.52	103	1	0	0	151.0	144	59	59	27	24	5	0	1	611	3	6.14	1.43	4.29	1.61	16.9	3.9	1.11	.259	3.52	89	4.64	114	-10.2
24	Clay Holmes C. Holmes	8.43	2025	NYM	24	9	6	.600	24	3.71	101	0	0	0	126.0	118	52	57	12	52	9	0	0	540	5	7.21	3.71	1.94	0.86	18.7	9.6	1.35	.290	4.07	92	4.19	103	-2
25	José Soriano J. Soriano	8.37	2025	LAA	25	8	9	.471	25	3.84	125	0	0	0	143.0	133	61	69	8	63	4	0	0	608	7	7.87	3.97	1.98	0.50	20.6	10.4	1.37	.306	4.34	93	3.49	81	12.5