least home runs allowed by a pitcher with a minimum of 1 ip per team game in a season in 1950 to 2019

Between the 1950 and 2019 seasons, Nolan Ryan allowed the fewest home runs when he had 1 or more (IP/TM GMS) in a season, with 2 HR in 1981.

	NAME	HR	IP	TM GMS	IP/TM GMS	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	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	Nolan Ryan N. Ryan	2	149.0	110	1.35	1981	HOU	21	11	5	.688	21	1.69	140	5	3	0	99	28	34	68	1	0	1	605	16	8.46	4.11	2.06	0.12	23.1	11.2	1.12	.246	2.05	52	2.28	70	5.98	16.5
2	Bruce Berenyi B. Berenyi	3	126.0	108	1.17	1981	CIN	21	9	6	.600	20	3.50	106	5	3	0	97	49	55	77	0	0	0	544	7	7.57	5.50	1.38	0.21	19.5	14.2	1.38	.263	3.93	99	3.06	89	6.93	5.5
3	Bill Gullickson B. Gullickson	3	157.1	108	1.46	1981	MON	22	7	9	.438	22	2.80	115	3	2	0	142	49	54	34	4	0	4	640	4	6.58	1.94	3.38	0.17	18.0	5.3	1.12	.287	3.09	80	2.11	62	8.12	22.5
4	Burt Hooton B. Hooton	3	142.1	110	1.29	1981	LAD	23	11	6	.647	23	2.28	74	5	4	0	124	36	42	33	2	0	2	571	3	4.68	2.09	2.24	0.19	13.0	5.8	1.10	.264	2.66	67	2.57	76	7.84	13
5	Lary Sorensen L. Sorensen	3	140.1	103	1.36	1981	STL	23	7	7	.500	23	3.27	52	3	1	0	149	51	59	26	1	0	2	579	1	3.33	1.67	2.00	0.19	9.0	4.5	1.25	.294	3.78	92	2.71	80	9.56	10.5
6	Reggie Cleveland R. Cleveland	3	170.0	162	1.05	1976	BOS	41	10	9	.526	14	3.07	76	3	0	2	159	58	73	61	4	10	4	719	6	4.02	3.23	1.25	0.16	10.6	8.5	1.29	.271	3.86	80	3.11	85	8.42	10.6
7	Greg Maddux G. Maddux	4	202.0	114	1.77	1994	ATL	25	16	6	.727	25	1.56	156	10	3	0	150	35	44	31	6	0	3	774	3	6.95	1.38	5.03	0.18	20.2	4.0	0.90	.253	1.96	37	2.39	55	6.68	43.7
8	Dennis Lamp D. Lamp	4	127.0	106	1.2	1981	CWS	27	7	6	.538	10	2.41	71	3	0	0	103	34	41	43	1	5	1	514	4	5.03	3.05	1.65	0.28	13.8	8.4	1.15	.251	2.91	66	2.93	79	7.30	10.7
9	Mike Paul M. Paul	4	161.2	154	1.05	1972	TEX	49	8	9	.471	20	2.17	108	2	1	1	149	39	50	52	2	11	12	674	3	6.01	2.89	2.08	0.22	16.0	7.7	1.24	.285	2.78	72	2.38	75	8.29	14.1
10	Chet Nichols C. Nichols	4	156.0	155	1.01	1951	BSN	33	11	8	.579	19	2.88	71	12	3	2	142	50	61	69	1	6		663	8	4.10	3.98	1.03	0.23	10.7	10.4	1.35	.266	3.52	77	3.25	84	8.19	10.6
11	Garrett Richards G. Richards	5	168.2	162	1.04	2014	LAA	26	13	4	.765	26	2.61	164	1	1	0	124	49	51	51	7	0	1	678	22	8.75	2.72	3.22	0.27	24.2	7.5	1.04	.264	2.72	72	2.60	71	6.62	20.5
12	Joe Magrane J. Magrane	5	234.2	164	1.43	1989	STL	34	18	9	.667	33	2.91	127	9	3	0	219	76	81	72	6	1	7	971	14	4.87	2.76	1.76	0.19	13.1	7.4	1.24	.281	3.11	83	2.95	83	8.40	16
13	Juan Eichelberger J. Eichelberger	5	141.1	110	1.28	1981	SDP	25	8	8	.500	24	3.50	81	3	1	0	136	55	60	74	3	1	5	615	5	5.16	4.71	1.09	0.32	13.2	12.0	1.49	.290	3.82	105	3.54	106	8.66	-3.3
14	Bob Knepper B. Knepper	5	156.2	110	1.42	1981	HOU	22	9	5	.643	22	2.18	75	6	5	0	128	38	41	38	4	0	1	617	0	4.31	2.18	1.97	0.29	12.2	6.2	1.06	.248	2.36	67	2.86	88	7.35	6.7
15	Rick Mahler R. Mahler	5	112.1	107	1.05	1981	ATL	34	8	6	.571	14	2.80	54	1	0	2	109	35	41	43	1	10	5	478	3	4.33	3.45	1.26	0.40	11.3	9.0	1.35	.277	3.28	77	3.39	94	8.73	3.1
16	Ken Brett K. Brett	5	203.0	161	1.26	1976	TOT	29	10	12	.455	26	3.28	92	16	1	2	173	74	82	76	3	2	3	835	4	4.08	3.37	1.21	0.22	11.0	9.1	1.23	.255	3.64	92	3.21	92	7.67	6.5
17	Ron Reed R. Reed	5	250.1	163	1.54	1975	TOT	34	13	13	.500	34	3.52	139	8	2	0	274	98	118	53	4	0	7	1,067	6	5.00	1.91	2.62	0.18	13.0	5.0	1.31	.311	4.24	95	2.41	67	9.85	32.7
18	Bruce Dal Canton B. Dal Canton	5	175.1	162	1.08	1974	KCR	31	8	10	.444	22	3.13	96	9	2	0	135	61	71	82	5	4	3	736	16	4.93	4.21	1.17	0.26	13.0	11.1	1.24	.237	3.64	84	3.33	94	6.93	4.1
19	Andy Messersmith A. Messersmith	5	169.2	155	1.09	1972	CAL	25	8	11	.421	21	2.81	142	10	3	2	125	53	56	68	2	4	8	690	2	7.53	3.61	2.09	0.27	20.6	9.9	1.14	.254	2.97	98	2.34	78	6.63	12.8
20	Bob Moose B. Moose	5	170.2	163	1.05	1968	PIT	38	8	12	.400	22	2.74	126	3	3	3	136	52	61	41	3	7	7	685	3	6.64	2.16	3.07	0.26	18.4	6.0	1.04	.257	3.22	93	2.06	74	7.17	14
21	Bill Singer B. Singer	5	204.1	162	1.26	1967	LAD	32	12	8	.600	29	2.64	169	7	3	0	185	60	68	61	8	1	11	854	10	7.44	2.69	2.77	0.22	19.8	7.1	1.20	.295	3.00	85	2.22	74	8.15	18.3
22	Bob Veale B. Veale	5	266.0	163	1.63	1965	PIT	39	17	12	.586	37	2.84	276	14	7	0	221	84	98	119	7	2	7	1,126	17	9.34	4.03	2.32	0.17	24.5	10.6	1.28	.300	3.32	80	2.11	62	7.48	38.8
23	Charlie Morton C. Morton	6	171.2	162	1.06	2011	PIT	29	10	10	.500	29	3.83	110	2	1	0	186	73	82	77	13	0	5	769	9	5.77	4.04	1.43	0.31	14.3	10.0	1.53	.320	4.30	104	3.76	100	9.75	-0.1
24	Tom Glavine T. Glavine	6	225.0	162	1.39	1992	ATL	33	20	8	.714	33	2.76	129	7	5	0	197	69	81	70	2	0	7	919	5	5.16	2.80	1.84	0.24	14.0	7.6	1.19	.268	3.24	77	2.94	83	7.88	15.2
25	Juan Guzman J. Guzman	6	180.2	162	1.12	1992	TOR	28	16	5	.762	28	2.64	165	1	0	0	135	53	56	72	1	0	2	733	14	8.22	3.59	2.29	0.30	22.5	9.8	1.15	.264	2.79	66	2.59	65	6.73	28.1