Stu Flythe has allowed the most runs with 50 or fewer hits allowed in a season, with 63 runs in 1936.

Interpreted as:

most runs allowed by a player max 50 hits, season

	NAME	R	H	SEASON	TM	G	W	L	W%	GS	ERA	SO	CG	SHO	SV	IP	ER	HR	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	Stu Flythe S. Flythe	63	49	1936	PHA	17	0	0		3	13.04	14	0	0	0	39.1	57	4	61	3	9		229	16	3.20	13.96	0.23	0.92	6.1	26.6	2.80	.306	14.42	256	8.76	180	11.21	-16.8
2	Mike Sullivan M. Sullivan	47	47	1889	WSH	9	0	3	.000	3	7.24	15	3	0	0	41.0	33	2	32	3	6		203	7	3.29	7.02	0.47	0.44	7.4	15.8	1.93	.298	10.32	188	5.47	141	10.32	-8
3	Bill Bishop B. Bishop	46	45	1887	PIT	3	0	3	.000	3	13.33	4	3	0	0	27.0	40	2	22	2	0		151	4	1.33	7.33	0.18	0.67	2.6	14.6	2.48	.355	15.33	351	6.61	166	15.00	-8.9
4	Samuel Moffet S. Moffet	45	47	1887	IND	6	1	5	.167	6	3.78	3	6	0	0	50.0	21	1	23	4	0		221	3	0.54	4.14	0.13	0.18	1.4	10.4	1.40	.242	8.10	93	5.04	119	8.46	-4.5
5	Cannonball Titcomb C. Titcomb	45	43	1886	PHN	5	0	5	.000	5	3.73	24	5	0	0	41.0	17	1	24		0		200	5	5.27	5.27	1.00	0.22	12.0	12.0	1.63		9.88	116	4.00	123	9.44	-3.8
6	Ed Beatin E. Beatin	44	39	1891	CLE	5	0	3	.000	4	5.28	4	2	0	0	29.0	17	1	21	6	1		153	1	1.24	6.52	0.19	0.31	2.6	13.7	2.07	.314	13.66	153	5.50	154	12.10	-5.8
7	Jack Leary J. Leary	44	45	1884	TOT	5	0	5	.000	4	5.29	13	3	0	0	34.0	20	0	7		1		158	2	3.44	1.85	1.86	0.00	8.2	4.4	1.53		11.65	170	3.13	116	11.91	-1.4
8	Ryan Bowen R. Bowen	43	48	1992	HOU	11	0	7	.000	9	10.96	22	0	0	0	33.2	41	8	30	2	2	3	179	5	5.88	8.02	0.73	2.14	12.3	16.8	2.32	.342	11.50	326	7.41	222	12.83	-16.1
9	Jack Leiper J. Leiper	43	41	1891	COL	6	2	2	.500	5	5.40	19	4	0	0	45.0	27	3	39	4	1		218	3	3.80	7.80	0.49	0.60	8.7	17.9	1.78	.248	8.60	155	5.42	161	8.20	-11.7
10	Ice Box Chamberlain I. Box Chamberlain	43	39	1886	LOU	4	0	3	.000	4	6.61	18	4	0	0	31.1	23	0	17	0	0		153	3	5.17	4.88	1.06	0.00	11.8	11.1	1.79	.331	12.35	192	3.58	105	11.20	-0.5
11	Yency Almonte Y. Almonte	42	47	2021	COL	48	1	3	.250	0	7.55	47	0	0	0	47.2	40	9	29	4	15	1	217	3	8.87	5.48	1.62	1.70	21.7	13.4	1.59	.297	7.93	157	5.72	129	8.87	-6.3
12	Juan Guzman J. Guzman	42	48	1997	TOR	13	3	6	.333	13	4.95	52	0	0	0	60.0	33	14	31	2	0	0	261	4	7.80	4.65	1.68	2.10	19.9	11.9	1.32	.210	6.30	108	6.05	135	7.20	-10.6
13	Dick Such D. Such	42	48	1970	WSH	21	1	5	.167	5	7.56	41	0	0	0	50.0	42	8	45	3	3	5	239	3	7.38	8.10	0.91	1.44	17.2	18.8	1.86	.282	7.56	210	5.95	156	8.64	-12.4
14	Rex Barney R. Barney	42	46	1946	BKN	16	2	5	.286	9	5.87	36	1	0	0	53.2	35	2	51	0	1		249	1	6.04	8.55	0.71	0.34	14.5	20.5	1.81	.275	7.04	170	4.38	125	7.71	-5.1
15	Bumpus Jones B. Jones	42	42	1893	TOT	7	1	4	.200	6	10.19	7	2	0	0	32.2	37	1	33	6	1		178	3	1.93	9.09	0.21	0.28	3.9	18.5	2.30	.313	11.57	220	6.80	147	11.57	-7.9
16	George Keefe G. Keefe	42	44	1891	WSH	5	0	3	.000	4	2.68	11	4	0	1	37.0	11	0	17	1	1		172	3	2.68	4.14	0.65	0.00	6.4	9.9	1.65	.308	10.22	71	3.40	94	10.70	1
17	Bill Stemmeyer B. Stemmeyer	42	37	1888	CLE	2	0	2	.000	2	9.00	7	2	0	0	16.0	16	0	9	1	0		95	2	3.94	5.06	0.78	0.00	7.4	9.5	2.88	.474	23.63	294	3.58	122	20.81	-1.1
18	Frank Beck F. Beck	42	50	1884	TOT	5	0	5	.000	5	6.62	18	4	0	0	34.0	25	0	10	5	0		168	7	4.76	2.65	1.80	0.00	10.7	6.0	1.76	.370	11.12	206	3.54	115	13.24	-1.7
19	Tim Redding T. Redding	41	44	2005	TOT	10	0	6	.000	7	10.57	19	0	0	0	30.2	36	7	17	2	0	1	154	1	5.58	4.99	1.12	2.05	12.3	11.0	1.99	.339	12.03	268	6.60	161	12.91	-8.9
20	Kevin Beirne K. Beirne	41	50	2000	CWS	29	1	3	.250	1	6.70	41	0	0	0	49.2	37	9	20	4	8	1	220	1	7.43	3.62	2.05	1.63	18.6	9.1	1.41	.281	7.43	135	5.28	106	9.06	-1.6
21	Doug Creek D. Creek	41	45	1996	SFG	63	0	2	.000	0	6.52	38	0	0	0	48.1	35	11	32	2	15	2	220	2	7.08	5.96	1.19	2.05	17.3	14.5	1.59	.248	7.63	159	6.66	155	8.38	-12.7
22	Roy Parmelee R. Parmelee	41	42	1939	PHA	14	1	6	.143	5	6.45	13	0	0	1	44.2	32	2	35	3	8		220	4	2.62	7.05	0.37	0.40	5.9	15.9	1.72	.240	8.26	140	5.52	124	8.46	-5.3
23	Harry Coveleski H. Coveleski	41	35	1910	CIN	7	1	1	.500	4	5.26	27	2	0	0	39.1	23	1	42	4	2		188	2	6.18	9.61	0.64	0.23	14.4	22.3	1.96	.298	9.38	178	4.79	166	8.01	-8.6
24	Jordan Romano J. Romano	40	45	2025	PHI	49	2	4	.333	0	8.23	47	0	0	8	42.2	39	10	17	3	14	1	187	0	9.91	3.59	2.76	2.11	25.1	9.1	1.45	.318	8.44	195	5.38	128	9.49	-5.4
25	Scott Ruffcorn S. Ruffcorn	40	42	1997	PHI	18	0	3	.000	4	7.71	33	0	0	0	39.2	34	4	36	7	3	1	202	6	7.49	8.17	0.92	0.91	16.3	17.8	1.97	.311	9.08	180	6.00	142	9.53	-7.8