The Colorado Rockies have lost the most games by a team with 3+ runs this season, with 20 losses.

Interpreted as:

What MLB team has the most 3 or more run losses this regular season?

	TEAM	L	R	SEASON	W	L%	G	W%	AB	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Rockies	20	145	2025	7	.741	27	.259	951	253	60	11	34	143	86	10	257	15	7	1,058	437	105	5	6	4	14	.266	.331	.460	.791
2	Athletics	18	211	2025	22	.450	40	.550	1,429	407	75	7	59	202	133	10	305	23	7	1,583	673	141	1	10	5	36	.285	.348	.471	.819
3	Orioles	18	186	2025	17	.514	35	.486	1,211	315	59	6	56	178	108	18	313	30	11	1,351	554	121	2	12	2	21	.260	.327	.457	.784
4	Diamondbacks	18	257	2025	25	.419	43	.581	1,484	401	94	9	67	250	173	20	316	45	8	1,707	714	170	8	22	7	29	.270	.350	.481	.831
5	Braves	17	206	2025	24	.415	41	.585	1,427	386	67	4	52	198	139	16	324	28	7	1,597	617	123	5	10	3	29	.270	.340	.432	.772
6	Pirates	17	143	2025	15	.531	32	.469	1,080	272	46	4	31	138	127	16	261	36	9	1,235	419	81	3	9	6	29	.252	.337	.388	.725
7	White Sox	16	161	2025	16	.500	32	.500	1,062	262	53	1	36	157	111	8	271	30	7	1,196	425	90	4	11	1	11	.247	.320	.400	.720
8	Marlins	15	193	2025	21	.417	36	.583	1,268	345	72	7	41	184	126	11	316	39	12	1,426	554	120	10	11	5	19	.272	.340	.437	.777
9	Angels	14	207	2025	23	.378	37	.622	1,261	315	57	5	71	201	109	19	354	18	5	1,405	595	133	3	13	6	21	.250	.316	.472	.788
10	Blue Jays	13	185	2025	23	.361	36	.639	1,246	349	73	1	40	177	116	16	259	25	7	1,403	544	114	10	15	8	26	.280	.345	.437	.782
11	Reds	12	248	2025	26	.316	38	.684	1,328	384	76	6	54	236	158	14	328	40	12	1,511	634	136	0	11	4	24	.289	.368	.477	.845
12	Red Sox	12	242	2025	25	.324	37	.676	1,322	374	82	6	61	232	142	14	312	34	10	1,488	651	149	3	7	6	13	.283	.357	.492	.849
13	Astros	12	191	2025	23	.343	35	.657	1,182	336	54	5	41	182	123	21	247	17	9	1,344	523	100	6	12	3	31	.284	.359	.442	.801
14	Nationals	12	205	2025	24	.333	36	.667	1,230	332	68	8	43	194	116	23	286	43	13	1,387	545	119	7	11	1	15	.270	.341	.443	.784
15	Giants	11	228	2025	30	.268	41	.732	1,375	346	71	8	50	217	170	13	355	23	11	1,576	583	129	6	12	3	22	.252	.337	.424	.761
16	Cardinals	11	246	2025	28	.282	39	.718	1,361	396	85	4	48	233	130	20	295	24	9	1,533	633	137	5	17	6	22	.291	.357	.465	.822
17	Yankees	11	285	2025	31	.262	42	.738	1,462	407	90	8	79	275	182	24	377	30	8	1,690	750	177	1	21	12	25	.278	.363	.513	.876
18	Mariners	11	219	2025	26	.297	37	.703	1,294	336	53	2	64	212	158	19	322	33	9	1,487	585	119	6	10	3	16	.260	.346	.452	.798
19	Dodgers	11	295	2025	32	.256	43	.744	1,503	426	76	9	81	283	179	19	352	30	8	1,719	763	166	2	16	10	27	.283	.363	.508	.871
20	Rays	10	204	2025	26	.278	36	.722	1,243	343	61	3	49	198	115	8	291	63	12	1,380	557	113	0	14	0	17	.276	.338	.448	.786
21	Guardians	10	193	2025	26	.278	36	.722	1,202	302	57	4	46	183	131	12	275	33	10	1,371	505	107	7	19	5	18	.251	.326	.420	.746
22	Tigers	10	273	2025	35	.222	45	.778	1,556	428	77	8	59	260	161	23	402	18	5	1,758	698	144	3	15	5	29	.275	.349	.449	.797
23	Brewers	9	213	2025	26	.257	35	.743	1,190	315	52	5	39	193	140	12	273	55	12	1,365	494	96	12	11	7	14	.265	.345	.415	.760
24	Rangers	9	156	2025	21	.300	30	.700	997	262	41	3	49	152	94	16	218	34	6	1,119	456	93	0	12	2	17	.263	.332	.457	.790
25	Mets	9	216	2025	29	.237	38	.763	1,307	359	78	12	51	208	140	29	279	34	5	1,496	614	141	2	18	10	34	.275	.353	.470	.823