most team losses when scoring one run or fewer when allowing fewer than four runs scored against

The Cincinnati Reds have lost the most games by a team with 1 or fewer run allowed and fewer than 4 runs allowed this season, with 4 losses.

Interpreted as:

most team losses when scoring one run or fewer when allowing fewer than four runs scored against this regular season

	TEAM	L	R	SEASON	W	L%	G	W%	ERA	SO	SHO	SV	IP	H	ER	HR	BB	HBP	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	H/9
1	Reds	4	14	2025	14	.222	18	.778	0.68	131	1	5	160.0	83	12	4	39	7	1	596	5	7.37	2.19	3.36	0.23	22.0	6.5	0.76	.190	0.79	4.67
2	Giants	3	9	2025	10	.231	13	.769	0.63	102	0	5	114.0	65	8	2	35	2	0	424	4	8.05	2.76	2.91	0.16	24.1	8.3	0.88	.223	0.71	5.13
3	Royals	3	14	2025	18	.143	21	.857	0.51	191	0	13	193.0	111	11	3	39	8	0	724	2	8.91	1.82	4.90	0.14	26.4	5.4	0.78	.224	0.65	5.18
4	Rays	3	10	2025	13	.188	16	.813	0.57	142	0	4	143.0	82	9	4	39	3	1	531	0	8.94	2.45	3.64	0.25	26.7	7.3	0.85	.227	0.63	5.16
5	Rangers	2	14	2025	19	.095	21	.905	0.67	178	1	11	188.0	104	14	2	45	5	1	702	6	8.52	2.15	3.96	0.10	25.4	6.4	0.79	.216	0.67	4.98
6	White Sox	2	8	2025	10	.167	12	.833	0.68	113	0	4	106.0	61	8	3	39	7	0	412	2	9.59	3.31	2.90	0.25	27.4	9.5	0.94	.232	0.68	5.18
7	Yankees	1	6	2025	12	.077	13	.923	0.30	120	0	7	119.0	53	4	3	34	2	1	435	5	9.08	2.57	3.53	0.23	27.6	7.8	0.73	.181	0.45	4.01
8	Pirates	1	9	2025	15	.063	16	.938	0.43	127	0	9	148.0	82	7	2	28	4	3	536	1	7.72	1.70	4.54	0.12	23.7	5.2	0.74	.213	0.55	4.99
9	Guardians	1	6	2025	13	.071	14	.929	0.43	127	0	3	126.0	70	6	3	44	1	1	471	3	9.07	3.14	2.89	0.21	27.0	9.3	0.90	.226	0.43	5.00
10	Tigers	1	15	2025	21	.045	22	.955	0.69	185	1	10	197.0	106	15	3	37	13	0	724	5	8.45	1.69	5.00	0.14	25.6	5.1	0.73	.212	0.69	4.84
11	Brewers	1	9	2025	14	.067	15	.933	0.60	136	0	4	136.0	73	9	4	41	2	1	511	3	9.00	2.71	3.32	0.26	26.6	8.0	0.84	.210	0.60	4.83
12	Nationals	1	3	2025	8	.111	9	.889	0.34	72	0	6	80.0	38	3	2	22	3	0	299	2	8.10	2.47	3.27	0.23	24.1	7.4	0.75	.180	0.34	4.27
13	Mariners	1	12	2025	14	.067	15	.933	0.73	121	0	5	136.0	76	11	6	27	4	1	504	3	8.01	1.79	4.48	0.40	24.0	5.4	0.76	.202	0.79	5.03
14	Braves	1	7	2025	10	.091	11	.909	0.55	121	0	0	99.0	54	6	0	23	3	1	374	1	11.00	2.09	5.26	0.00	32.4	6.1	0.78	.238	0.64	4.91
15	Angels	1	5	2025	8	.111	9	.889	0.54	84	0	4	84.0	44	5	1	33	0	4	318	2	9.00	3.54	2.55	0.11	26.4	10.4	0.92	.215	0.54	4.71
16	Padres	1	6	2025	17	.056	18	.944	0.28	166	2	8	163.0	76	5	2	62	6	1	611	2	9.17	3.42	2.68	0.11	27.2	10.1	0.85	.197	0.33	4.20
17	Rockies	1	6	2025	5	.167	6	.833	1.02	38	0	4	53.0	40	6	1	19	1	0	210	1	6.45	3.23	2.00	0.17	18.1	9.0	1.11	.258	1.02	6.79
18	Athletics	1	10	2025	13	.071	14	.929	0.57	113	0	5	126.2	83	8	4	32	2	1	488	3	8.03	2.27	3.53	0.28	23.2	6.6	0.91	.234	0.71	5.90
19	Astros	1	12	2025	17	.056	18	.944	0.65	180	0	9	165.0	75	12	6	43	6	0	600	4	9.82	2.35	4.19	0.33	30.0	7.2	0.72	.189	0.65	4.09