pitcher with the most losses allowing exactly one run in a single season

Mike Marshall has the most losses with exactly 1 run allowed in a season, with 10 games in 1978.

	NAME	L	R	SEASON	TM	W	L%	G	W%	GS	ERA	SO	CG	SHO	SV	IP	H	ER	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Mike Marshall M. Marshall	10	16	1978	MIN	1	.909	16	.091	0	4.11	19	0	0	1	30.2	31	14	1	20	1	16	1	137	1	5.58	5.87	0.95	0.29	13.9	14.6	1.66	.313	4.70	9.10
2	Luis Ayala L. Ayala	9	18	2004	MON	1	.900	18	.100	0	7.40	16	0	0	0	20.2	35	17	5	6	2	11	2	104	0	6.97	2.61	2.67	2.18	15.4	5.8	1.98	.400	7.84	15.24
3	Greg Minton G. Minton	9	21	1983	SFG	2	.818	21	.182	0	6.66	14	0	0	2	25.2	44	19	1	16	0	14	8	135	2	4.91	5.61	0.88	0.35	10.4	11.9	2.34	.413	7.36	15.43
4	Ken Sanders K. Sanders	9	13	1971	MIL	0	1.000	13	.000	0	4.56	12	0	0	1	23.2	26	12	5	13	1	12	6	107	0	4.56	4.94	0.92	1.90	11.2	12.1	1.65	.276	4.94	9.89
5	Lee Smith L. Smith	8	10	1983	CHC	0	1.000	10	.000	0	6.28	12	0	0	0	14.1	18	10	3	10	0	10	6	70	1	7.53	6.28	1.20	1.88	17.1	14.3	1.95	.333	6.28	11.30
6	Tom Buskey T. Buskey	8	14	1979	TOR	1	.889	14	.111	0	3.72	6	0	0	2	29.0	32	12	4	8	0	13	4	124	0	1.86	2.48	0.75	1.24	4.8	6.5	1.38	.264	4.34	9.93
7	Skip Lockwood S. Lockwood	8	15	1978	NYM	0	1.000	15	.000	0	6.75	15	0	0	3	20.0	25	15	3	10	0	9	1	92	2	6.75	4.50	1.50	1.35	16.3	10.9	1.75	.344	6.75	11.25
8	Jim Willoughby J. Willoughby	8	20	1976	BOS	1	.889	20	.111	0	3.83	12	0	0	1	40.0	51	17	2	16	6	13	7	190	0	2.70	3.60	0.75	0.45	6.3	8.4	1.68	.318	4.50	11.48
9	John Hiller J. Hiller	8	16	1974	DET	4	.667	16	.333	0	2.83	41	0	0	2	47.2	45	15	3	22	1	15	6	205	1	7.74	4.15	1.86	0.57	20.0	10.7	1.41	.304	3.02	8.50
10	Wilbur Wood W. Wood	8	21	1968	CWS	4	.667	21	.333	1	3.61	17	0	0	1	42.1	50	17	6	12	1	10	4	187	1	3.61	2.55	1.42	1.28	9.1	6.4	1.46	.291	4.46	10.63
11	Hoyt Wilhelm H. Wilhelm	8	15	1962	BAL	2	.800	15	.200	0	3.19	29	0	0	1	31.0	30	11	4	12	0	14	2	133	4	8.42	3.48	2.42	1.16	21.8	9.0	1.35	.295	4.35	8.71
12	Carlos Hernández C. Hernández	7	13	2023	KCR	0	1.000	13	.000	0	8.76	11	0	0	1	12.1	18	12	5	4	0	5	0	60	2	8.03	2.92	2.75	3.65	18.3	6.7	1.78	.325	9.49	13.14
13	Adam Conley A. Conley	7	11	2019	MIA	0	1.000	11	.000	0	9.31	4	0	0	0	9.2	17	10	3	8	1	5	3	55	0	3.72	7.45	0.50	2.79	7.3	14.5	2.59	.359	10.24	15.83
14	Daniel Hudson D. Hudson	7	15	2017	PIT	0	1.000	15	.000	0	9.53	16	0	0	0	11.1	23	12	3	12	1	6	1	71	2	12.71	9.53	1.33	2.38	22.5	16.9	3.09	.513	11.91	18.26
15	J.J. Hoover	7	16	2014	CIN	0	1.000	16	.000	0	6.75	18	0	0	0	18.2	24	14	5	15	1	7	3	97	0	8.68	7.23	1.20	2.41	18.6	15.5	2.09	.328	7.71	11.57
16	Matt Thornton M. Thornton	7	14	2012	CWS	0	1.000	14	.000	0	9.00	7	0	0	0	13.0	22	13	0	7	1	6	3	64	2	4.85	4.85	1.00	0.00	10.9	10.9	2.23	.449	9.69	15.23
17	Felix Rodriguez F. Rodriguez	7	14	2004	TOT	0	1.000	14	.000	0	10.03	6	0	0	0	11.2	20	13	4	5	0	3	2	62	1	4.63	3.86	1.20	3.09	9.7	8.1	2.14	.340	10.80	15.43
18	Al Levine A. Levine	7	12	2001	ANA	1	.875	12	.125	0	6.59	6	0	0	0	13.2	22	10	3	13	1	6	2	75	1	3.95	8.56	0.46	1.98	8.0	17.3	2.56	.365	7.90	14.49
19	Jose Paniagua J. Paniagua	7	14	1999	SEA	0	1.000	14	.000	0	7.13	13	0	0	0	17.2	25	14	0	21	3	5	1	97	1	6.62	10.70	0.62	0.00	13.4	21.6	2.60	.417	7.13	12.74
20	Jeff Parrett J. Parrett	7	17	1995	STL	1	.875	17	.125	0	6.97	17	0	0	0	20.2	34	16	5	10	0	7	4	105	2	7.40	4.35	1.70	2.18	16.2	9.5	2.13	.397	7.40	14.81
21	Greg Harris G. Harris	7	13	1992	BOS	0	1.000	13	.000	2	2.97	13	1	0	0	30.1	26	10	2	19	3	4	4	132	1	3.86	5.64	0.68	0.59	9.8	14.4	1.48	.253	3.86	7.71
22	Doug Jones D. Jones	7	11	1989	CLE	3	.700	11	.300	0	5.06	12	0	0	1	16.0	21	9	2	4	0	11	3	76	1	6.75	2.25	3.00	1.13	15.8	5.3	1.56	.328	6.19	11.81
23	Lee Smith L. Smith	7	15	1987	CHC	2	.778	15	.222	0	5.40	25	0	0	3	23.1	36	14	4	10	0	12	3	114	2	9.64	3.86	2.50	1.54	21.9	8.8	1.97	.427	5.79	13.89
24	Jim Acker J. Acker	7	15	1987	ATL	0	1.000	15	.000	0	5.13	17	0	0	2	26.1	32	15	4	14	0	11	1	119	0	5.81	4.78	1.21	1.37	14.3	11.8	1.75	.333	5.13	10.94
25	Dan Quisenberry D. Quisenberry	7	23	1985	KCR	3	.700	23	.300	0	3.72	16	0	0	5	38.2	61	16	8	6	0	20	4	181	0	3.72	1.40	2.67	1.86	8.8	3.3	1.73	.351	5.35	14.20