lowest h/9 in a season min 150 ip since 1945

Since 1945, Nolan Ryan give up the fewest H/9 with 150.0+ innings pitched in a season, with 5.26 per nine innings in 1972.

Interpreted as:

lowest h/9 by a player in a season min 150 ip since 1945

	NAME	H/9	IP	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	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	Nolan Ryan N. Ryan	5.26	284.0	1972	CAL	39	19	16	.543	39	2.28	329	20	9	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
2	Luis Tiant L. Tiant	5.30	258.1	1968	CLE	34	21	9	.700	32	1.60	264	19	9	0	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
3	Nolan Ryan N. Ryan	5.31	173.0	1991	TEX	27	12	6	.667	27	2.91	203	2	2	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
4	Pedro Martinez P. Martinez	5.31	217.0	2000	BOS	29	18	6	.750	29	1.74	284	7	4	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
5	Tom Hall T. Hall	5.45	155.1	1970	MIN	52	11	6	.647	11	2.55	184	1	0	4	94	44	46	11	66	2	13	4	619	3	10.66	3.82	2.79	0.64	29.7	10.7	1.03	.233	2.67	67	2.50	62	26.1
6	Justin Verlander J. Verlander	5.53	223.0	2019	HOU	34	21	6	.778	34	2.58	300	2	1	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
7	Blake Snell B. Snell	5.58	180.2	2018	TBR	31	21	5	.808	31	1.89	221	0	0	0	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
8	Max Scherzer M. Scherzer	5.65	200.2	2017	WSH	31	16	6	.727	31	2.51	268	2	0	0	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
9	Sid Fernandez S. Fernandez	5.71	170.1	1985	NYM	26	9	9	.500	26	2.80	180	3	0	0	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
10	Tommy Byrne T. Byrne	5.74	196.0	1949	NYY	32	15	7	.682	30	3.72	129	12	3	0	125	81	84	11	179	13	2		880	4	5.92	8.22	0.72	0.51	14.7	20.3	1.55	.208	3.86	92	4.86	120	-19
11	Hunter Greene H. Greene	5.75	150.1	2024	CIN	26	9	5	.643	26	2.75	169	0	0	0	96	46	47	12	57	19	0	0	611	7	10.12	3.41	2.96	0.72	27.7	9.3	1.02	.237	2.81	63	3.47	81	13.5
12	Blake Snell B. Snell	5.75	180.0	2023	SDP	32	14	9	.609	32	2.25	234	0	0	0	115	45	47	15	99	3	0	0	742	13	11.70	4.95	2.36	0.75	31.5	13.3	1.19	.256	2.35	54	3.43	79	18
13	Dave McNally D. McNally	5.77	273.0	1968	BAL	35	22	10	.688	35	1.95	202	18	5	0	175	59	67	24	55	10	0	1	1,038	5	6.66	1.81	3.67	0.79	19.5	5.3	0.84	.202	2.21	67	2.76	90	9.5
14	Jose Fernandez J. Fernandez	5.79	172.2	2013	MIA	28	12	6	.667	28	2.19	187	0	0	0	111	42	47	10	58	5	0	5	681	3	9.75	3.02	3.22	0.52	27.5	8.5	0.98	.240	2.45	60	2.72	75	18.1
15	Sandy Koufax S. Koufax	5.79	335.2	1965	LAD	43	26	8	.765	41	2.04	382	27	8	2	216	76	90	26	71	5	2	4	1,297	11	10.24	1.90	5.38	0.70	29.5	5.5	0.86	.234	2.41	63	1.93	61	47.9
16	Chris Sale C. Sale	5.81	158.0	2018	BOS	27	12	4	.750	27	2.11	237	0	0	0	102	37	39	11	34	14	0	0	617	4	13.50	1.94	6.97	0.63	38.4	5.5	0.86	.283	2.22	48	1.97	47	39.2
17	Hideo Nomo H. Nomo	5.83	191.1	1995	LAD	28	13	6	.684	28	2.54	236	4	3	0	124	54	63	14	78	5	0	2	780	19	11.10	3.67	3.03	0.66	30.3	10.0	1.06	.246	2.96	65	2.88	71	26.1
18	Al Downing A. Downing	5.84	175.2	1963	NYY	24	13	5	.722	22	2.56	171	10	4	0	114	50	52	7	80	0	2	1	707	5	8.76	4.10	2.14	0.36	24.2	11.3	1.10	.238	2.66	73	2.42	68	22.3
19	Herb Score H. Score	5.85	249.1	1956	CLE	35	20	9	.690	33	2.53	263	16	5	0	162	70	82	18	129	2	1	2	1,022	11	9.49	4.66	2.04	0.65	25.7	12.6	1.17	.236	2.96	61	2.77	69	34.6
20	Bob Gibson B. Gibson	5.85	304.2	1968	STL	34	22	9	.710	34	1.12	268	28	13	0	198	38	49	11	62	7	0	6	1,161	4	7.92	1.83	4.32	0.32	23.1	5.3	0.85	.230	1.45	38	1.77	63	34.8
21	Yoshinobu Yamamoto Y. Yamamoto	5.86	173.2	2025	LAD	30	12	8	.600	30	2.49	201	0	0	0	113	48	53	14	59	3	0	0	684	5	10.42	3.06	3.41	0.73	29.4	8.6	0.99	.243	2.75	60	2.93	70	24.4
22	Sam McDowell S. McDowell	5.87	273.0	1965	CLE	42	17	11	.607	35	2.18	325	14	3	4	178	66	80	9	132	6	5	7	1,116	17	10.71	4.35	2.46	0.30	29.1	11.8	1.14	.262	2.64	63	2.08	58	45.4
23	Pedro Martinez P. Martinez	5.89	241.1	1997	MON	31	17	8	.680	31	1.90	305	13	4	0	158	51	65	16	67	9	0	5	947	3	11.37	2.50	4.55	0.60	32.2	7.1	0.93	.258	2.42	45	2.38	57	49
24	Jake Arrieta J. Arrieta	5.90	229.0	2015	CHC	33	22	6	.786	33	1.77	236	4	3	0	150	45	52	10	48	6	0	2	870	6	9.28	1.89	4.92	0.39	27.1	5.5	0.86	.246	2.04	45	2.34	60	39
25	Dick Radatz D. Radatz	5.90	157.0	1964	BOS	79	16	9	.640	0	2.29	181	0	0	29	103	40	44	13	58	7	67	9	635	1	10.38	3.32	3.12	0.75	28.5	9.1	1.03	.239	2.52	60	2.62	65	23.2