lowest season h/9 by a pitcher in mlb history

Ed Cushman give up the fewest H/9 in a season, with 2.50 per nine innings in 1884.

Interpreted as:

lowest season h/9 with a minimum of 1 IP per team game by a pitcher in MLB history

	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	Ed Cushman E. Cushman	2.50	1884	MIL	4	4	0	1.000	4	1.00	47	4	2	0	36.0	10	4	4	0	3		0		125	1	11.75	0.75	15.67	0.00	37.6	2.4	0.36		1.00	8	0.91	8	17.4
2	Lady Baldwin L. Baldwin	3.71	1884	MIL	2	1	1	.500	2	2.65	21	2	0	0	17.0	7	5	5	0	1		0		61	0	11.12	0.53	21.00	0.00	34.4	1.6	0.47		2.65	20	0.98	9	8.2
3	Carlos Rodón C. Rodón	4.71	2025	NYY	7	4	3	.571	7	3.43	52	0	0	0	42.0	22	16	18	6	19	0	0	0	164	1	11.14	4.07	2.74	1.29	31.7	11.6	0.98	.184	3.86	87	3.79	91	1.7
4	Trevor Bauer T. Bauer	5.05	2020	CIN	11	5	4	.556	11	1.73	100	2	2	0	73.0	41	14	17	9	17	3	0	1	278	3	12.33	2.10	5.88	1.11	36.0	6.1	0.79	.215	2.10	36	2.87	61	14.1
5	Dinelson Lamet D. Lamet	5.09	2020	SDP	12	3	1	.750	12	2.09	93	0	0	0	69.0	39	16	18	5	20	4	0	0	267	1	12.13	2.61	4.65	0.65	34.8	7.5	0.86	.234	2.35	49	2.47	56	15.1
6	Nolan Ryan N. Ryan	5.26	1972	CAL	39	19	16	.543	39	2.28	329	20	9	0	284.0	166	72	80	14	157	10	0	4	1,154	18	10.43	4.98	2.10	0.44	28.5	13.6	1.14	.236	2.54	79	2.48	83	16.6
7	Luis Tiant L. Tiant	5.30	1968	CLE	34	21	9	.700	32	1.60	264	19	9	0	258.1	152	46	53	16	73	4	0	4	987	3	9.20	2.54	3.62	0.56	26.7	7.4	0.87	.216	1.85	53	2.04	64	33
8	Nolan Ryan N. Ryan	5.31	1991	TEX	27	12	6	.667	27	2.91	203	2	2	0	173.0	102	56	58	12	72	5	0	0	683	8	10.56	3.75	2.82	0.62	29.7	10.5	1.01	.230	3.02	72	2.74	68	24.4
9	Pedro Martinez P. Martinez	5.31	2000	BOS	29	18	6	.750	29	1.74	284	7	4	0	217.0	128	42	44	17	32	14	0	0	817	1	11.78	1.33	8.88	0.71	34.8	3.9	0.74	.236	1.82	35	2.16	47	61.5
10	Ed Reulbach E. Reulbach	5.33	1906	CHC	33	19	4	.826	24	1.65	94	20	6	3	218.0	129	40	51	2	92	13	9		842	3	3.88	3.80	1.02	0.08	11.2	10.9	1.01	.198	2.11	62	3.07	111	-7.2
11	Nick Pivetta N. Pivetta	5.35	2025	SDP	6	5	1	.833	6	1.78	39	0	0	0	35.1	21	7	7	2	8	0	0	0	133	0	9.93	2.04	4.88	0.51	29.3	6.0	0.82	.226	1.78	45	2.26	57	6.7
12	Shane Bieber S. Bieber	5.35	2020	CLE	12	8	1	.889	12	1.63	122	0	0	0	77.1	46	14	15	7	21	1	0	0	297	5	14.20	2.44	5.81	0.81	41.1	7.1	0.87	.267	1.75	37	2.06	46	20.5
13	Yoshinobu Yamamoto Y. Yamamoto	5.40	2025	LAD	7	4	2	.667	7	0.90	49	0	0	0	40.0	24	4	7	2	13	0	0	0	153	1	11.03	2.93	3.77	0.45	32.0	8.5	0.93	.247	1.58	22	2.23	55	8.1
14	Kenta Maeda K. Maeda	5.40	2020	MIN	11	6	1	.857	11	2.70	80	0	0	0	66.2	40	20	20	9	10	0	0	0	248	0	10.80	1.35	8.00	1.21	32.3	4.0	0.75	.208	2.70	62	2.99	68	10.5
15	Tyler Mahle T. Mahle	5.50	2025	TEX	7	3	1	.750	7	1.19	32	0	0	0	37.2	23	5	5	0	14	0	0	0	146	0	7.65	3.35	2.29	0.00	21.9	9.6	0.98	.230	1.19	30	2.47	60	6.8
16	Justin Verlander J. Verlander	5.53	2019	HOU	34	21	6	.778	34	2.58	300	2	1	0	223.0	137	64	66	36	42	6	0	0	847	4	12.11	1.70	7.14	1.45	35.4	5.0	0.80	.218	2.66	57	3.26	72	31.5
17	Dutch Leonard D. Leonard	5.57	1914	BSA	36	19	5	.792	25	0.96	176	17	7	3	224.2	139	24	34	3	60	8	8		842	2	7.05	2.40	2.93	0.12	20.9	7.1	0.89	.229	1.36	36	1.95	70	20.4
18	Blake Snell B. Snell	5.58	2018	TBR	31	21	5	.808	31	1.89	221	0	0	0	180.2	112	38	41	16	64	1	0	2	700	13	11.01	3.19	3.45	0.80	31.6	9.1	0.97	.241	2.04	46	2.94	72	23.1
19	Tyler Anderson T. Anderson	5.61	2025	LAA	6	2	0	1.000	6	2.67	27	0	0	0	33.2	21	10	11	6	14	1	0	1	137	2	7.22	3.74	1.93	1.60	19.7	10.2	1.04	.169	2.94	67	5.10	123	-3.4
20	Kevin Gausman K. Gausman	5.63	2025	TOR	7	2	3	.400	7	3.83	37	0	0	0	40.0	25	17	18	4	12	0	0	1	152	0	8.33	2.70	3.08	0.90	24.3	7.9	0.93	.212	4.05	99	3.40	84	2.8
21	Henry Porter H. Porter	5.65	1884	MIL	6	3	3	.500	6	3.00	71	6	1	0	51.0	32	17	25	1	9		0		200	6	12.53	1.59	7.89	0.18	35.5	4.5	0.80		4.41	23	1.27	11	24.1
22	Max Scherzer M. Scherzer	5.65	2017	WSH	31	16	6	.727	31	2.51	268	2	0	0	200.2	126	56	62	22	55	11	0	2	780	4	12.02	2.47	4.87	0.99	34.4	7.1	0.90	.245	2.78	57	2.89	66	33.2
23	Carl Lundgren C. Lundgren	5.65	1907	CHC	28	18	7	.720	25	1.17	84	21	7	0	207.0	130	27	42	0	92	2	3		795	2	3.65	4.00	0.91	0.00	10.6	11.6	1.07	.211	1.83	48	2.73	104	-2.3
24	Hunter Greene H. Greene	5.70	2025	CIN	7	4	2	.667	7	2.53	55	0	0	0	42.2	27	12	12	7	8	2	0	0	165	2	11.60	1.69	6.88	1.48	33.3	4.8	0.82	.215	2.53	58	3.31	78	4.2
25	Sid Fernandez S. Fernandez	5.71	1985	NYM	26	9	9	.500	26	2.80	180	3	0	0	170.1	108	53	56	14	80	2	0	3	685	3	9.51	4.23	2.25	0.74	26.3	11.7	1.10	.230	2.96	80	3.08	86	9.6