Patrick Corbin allowed the most H/9 in 2024, with 10.72 per nine innings.

Interpreted as:

h/9 with a minimum of 1 IP per team game leaders by lowest 2024

	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	Patrick Corbin P. Corbin	10.72	2024	WSH	32	6	13	.316	32	5.62	139	0	0	0	174.2	208	109	114	25	54	3	0	1	764	3	7.16	2.78	2.57	1.29	18.2	7.1	1.50	.337	5.87	137	4.41	108	-5.9
2	Miles Mikolas M. Mikolas	10.17	2024	STL	32	10	11	.476	32	5.35	122	0	0	0	171.2	194	102	106	26	25	5	0	0	720	0	6.40	1.31	4.88	1.36	16.9	3.5	1.28	.310	5.56	132	4.23	106	-5.1
3	Austin Gomber A. Gomber	9.71	2024	COL	30	5	12	.294	30	4.75	116	0	0	0	165.0	178	87	89	30	38	1	0	0	696	3	6.33	2.07	3.05	1.64	16.7	5.5	1.31	.290	4.85	102	4.83	113	-9.6
4	Chris Bassitt C. Bassitt	9.47	2024	TOR	31	10	14	.417	31	4.16	168	0	0	0	171.0	180	79	91	18	70	16	0	2	758	2	8.84	3.68	2.40	0.95	22.2	9.2	1.46	.333	4.79	105	4.07	100	0.3
5	MacKenzie Gore M. Gore	9.25	2024	WSH	32	10	12	.455	32	3.90	181	0	0	0	166.1	171	72	93	15	65	11	0	0	731	14	9.79	3.52	2.78	0.81	24.8	8.9	1.42	.340	5.03	95	3.53	86	10.5
6	Mitch Keller M. Keller	9.20	2024	PIT	31	11	12	.478	31	4.25	166	1	0	0	178.0	182	84	90	23	50	15	0	0	773	1	8.39	2.53	3.32	1.16	21.5	6.5	1.30	.306	4.55	101	4.07	100	-0.2
7	Ryan Feltner R. Feltner	9.15	2024	COL	30	3	10	.231	30	4.49	138	0	0	0	162.1	165	81	94	20	52	7	0	0	692	4	7.65	2.88	2.65	1.11	19.9	7.5	1.34	.305	5.21	96	4.15	97	2.2
8	Griffin Canning G. Canning	9.12	2024	LAA	32	6	13	.316	31	5.19	130	0	0	0	171.2	174	99	105	31	66	6	1	1	739	6	6.82	3.46	1.97	1.63	17.6	8.9	1.40	.283	5.50	127	5.25	125	-19.1
9	Colin Rea C. Rea	9.07	2024	MIL	32	12	6	.667	27	4.29	135	0	0	1	167.2	169	80	83	29	43	10	1	1	714	2	7.25	2.31	3.14	1.56	18.9	6.0	1.26	.282	4.46	104	4.75	116	-11.9
10	Brandon Pfaadt B. Pfaadt	9.07	2024	ARI	32	11	10	.524	32	4.71	185	0	0	0	181.2	183	95	103	24	42	4	0	1	760	1	9.17	2.08	4.40	1.19	24.3	5.5	1.24	.315	5.10	113	3.60	91	6.7
11	Zach Eflin Z. Eflin	9.04	2024	TOT	28	10	9	.526	28	3.59	134	0	0	0	165.1	166	66	71	22	24	3	0	0	684	2	7.29	1.31	5.58	1.20	19.6	3.5	1.15	.287	3.86	93	3.76	94	4
12	Cristopher Sánchez C. Sánchez	9.02	2024	PHI	31	11	9	.550	31	3.32	153	2	1	0	181.2	182	67	76	11	44	0	0	0	754	7	7.58	2.18	3.48	0.54	20.3	5.8	1.24	.313	3.77	80	2.99	72	22.9
13	Logan Webb L. Webb	8.88	2024	SFG	33	13	10	.565	33	3.47	172	1	1	0	204.2	202	79	83	11	50	2	0	3	841	4	7.56	2.20	3.44	0.48	20.5	5.9	1.23	.315	3.65	87	2.94	75	22.3
14	Brady Singer B. Singer	8.77	2024	KCR	32	9	13	.409	32	3.71	170	0	0	0	179.2	175	74	77	22	54	10	0	0	762	2	8.52	2.71	3.15	1.10	22.3	7.1	1.27	.302	3.86	88	3.93	96	3.2
15	Pablo López P. López	8.74	2024	MIN	32	15	10	.600	32	4.08	198	0	0	0	185.1	180	84	90	26	41	8	0	0	772	3	9.62	1.99	4.83	1.26	25.6	5.3	1.19	.309	4.37	102	3.64	89	9.2
16	Brayan Bello B. Bello	8.70	2024	BOS	30	14	8	.636	30	4.49	153	0	0	0	162.1	157	81	84	19	64	11	0	0	702	6	8.48	3.55	2.39	1.05	21.8	9.1	1.36	.303	4.66	106	4.18	101	-0.9
17	JP Sears	8.57	2024	OAK	32	11	13	.458	32	4.38	137	0	0	0	180.2	172	88	93	28	49	14	0	0	758	0	6.82	2.44	2.80	1.39	18.1	6.5	1.22	.272	4.63	114	4.70	119	-15.5
18	Yusei Kikuchi Y. Kikuchi	8.56	2024	TOT	32	9	10	.474	32	4.05	206	0	0	0	175.2	167	79	85	25	44	2	0	0	736	4	10.55	2.25	4.68	1.28	28.0	6.0	1.20	.309	4.35	102	3.45	85	12.2
19	Kyle Gibson K. Gibson	8.54	2024	STL	30	8	8	.500	30	4.24	151	0	0	0	169.2	161	80	91	23	68	4	0	1	722	5	8.01	3.61	2.22	1.22	20.9	9.4	1.35	.290	4.83	105	4.41	111	-8.6
20	Aaron Nola A. Nola	8.53	2024	PHI	33	14	8	.636	33	3.57	197	1	1	0	199.1	189	79	84	30	50	3	0	0	820	2	8.89	2.26	3.94	1.35	24.0	6.1	1.20	.294	3.79	86	3.94	95	4.5
21	George Kirby G. Kirby	8.53	2024	SEA	33	14	11	.560	33	3.53	179	0	0	0	191.0	181	75	82	22	23	7	0	0	778	5	8.43	1.08	7.78	1.04	23.0	3.0	1.07	.291	3.86	94	3.25	83	14.5
22	Charlie Morton C. Morton	8.38	2024	ATL	30	8	10	.444	30	4.19	167	0	0	0	165.1	154	77	85	23	65	18	0	1	701	2	9.09	3.54	2.57	1.25	23.8	9.3	1.32	.306	4.63	100	4.45	112	-9.1
23	Jameson Taillon J. Taillon	8.38	2024	CHC	28	12	8	.600	28	3.27	125	0	0	0	165.1	154	60	67	21	33	1	0	0	675	4	6.80	1.80	3.79	1.14	18.5	4.9	1.13	.269	3.65	82	3.92	98	1
24	Nestor Cortes N. Cortes	8.36	2024	NYY	31	9	10	.474	30	3.77	162	0	0	0	174.1	162	73	74	24	39	4	1	0	710	2	8.36	2.01	4.15	1.24	22.8	5.5	1.15	.287	3.82	94	3.83	91	7.3
25	Michael Wacha M. Wacha	8.32	2024	KCR	29	13	8	.619	29	3.35	145	0	0	0	166.2	154	62	65	17	45	5	0	1	685	3	7.83	2.43	3.22	0.92	21.2	6.6	1.19	.290	3.51	79	3.65	89	8.2