Between May 8, 2015 and May 8, 2025, the Miami Marlins have the worst record by a team, with a record of 660-863.

	TEAM	REC	W%	G	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Marlins	660-863	.433	1,523	660	863	51,566	6,054	12,770	2,328	244	1,409	5,763	4,101	573	12,801	875	300	56,887	19,813	3,981	313	334	234	1,171	.248	.308	.384	.693
2	White Sox	666-863	.436	1,529	666	863	51,915	6,359	12,891	2,454	214	1,605	6,088	4,055	595	13,245	711	270	57,121	20,588	4,273	231	325	132	1,125	.248	.308	.397	.705
3	Tigers	670-850	.441	1,520	670	850	51,542	6,290	12,696	2,446	339	1,533	6,032	4,299	479	13,333	637	260	56,804	20,419	4,318	119	365	149	1,083	.246	.308	.396	.704
4	Rockies	675-852	.442	1,527	675	852	52,098	7,141	13,415	2,700	360	1,752	6,839	4,450	459	13,466	722	285	57,725	22,091	4,812	347	371	264	1,127	.257	.319	.424	.743
5	Reds	682-846	.446	1,528	682	846	51,322	6,734	12,601	2,431	245	1,790	6,440	4,911	738	13,142	1,079	368	57,636	20,892	4,466	313	352	221	1,081	.246	.318	.407	.725
6	Royals	684-844	.448	1,528	684	844	51,643	6,401	12,935	2,514	315	1,503	6,103	3,971	528	11,800	1,133	346	56,798	20,588	4,332	231	425	151	1,076	.250	.308	.399	.707
7	Pirates	695-831	.455	1,527	695	831	51,519	6,337	12,600	2,480	294	1,429	6,036	4,723	613	12,723	818	330	57,529	19,955	4,203	311	363	264	1,057	.245	.313	.387	.701
8	Orioles	699-828	.458	1,527	699	828	51,961	6,757	12,858	2,491	185	1,973	6,478	4,284	563	13,093	648	224	57,307	21,638	4,649	147	352	134	1,049	.247	.310	.416	.726
9	Angels	705-819	.463	1,524	705	819	51,208	6,614	12,453	2,354	203	1,836	6,313	4,684	628	12,408	806	294	57,065	20,721	4,393	179	366	254	1,149	.243	.312	.405	.717
10	Athletics	715-811	.469	1,526	715	811	51,313	6,577	12,264	2,547	209	1,828	6,282	4,847	612	12,829	709	221	57,273	20,713	4,584	138	363	139	1,161	.239	.310	.404	.714
11	Rangers	730-797	.478	1,527	730	797	51,585	6,991	12,692	2,423	211	1,888	6,654	4,711	608	13,145	984	323	57,459	21,201	4,522	180	375	168	961	.246	.314	.411	.725
12	Diamondbacks	738-790	.483	1,528	738	790	52,014	7,129	12,951	2,677	381	1,737	6,768	5,060	559	12,883	1,000	253	58,403	21,601	4,795	333	437	270	1,057	.249	.320	.415	.735
13	Padres	737-787	.484	1,524	737	787	51,002	6,513	12,362	2,399	226	1,722	6,217	4,827	506	12,969	946	318	57,034	20,379	4,347	334	365	223	1,069	.242	.312	.400	.712
14	Nationals	741-786	.485	1,527	741	786	51,470	6,958	13,144	2,612	222	1,701	6,632	4,942	616	11,933	1,073	329	57,779	21,303	4,535	343	408	309	1,139	.255	.326	.414	.740
15	Phillies	754-771	.494	1,525	754	771	51,649	6,836	12,821	2,545	276	1,792	6,523	4,845	564	13,218	918	259	57,663	21,294	4,613	263	342	271	1,047	.248	.318	.412	.730
16	Twins	763-763	.500	1,526	763	763	51,964	7,138	12,989	2,698	240	1,960	6,821	4,926	616	13,009	599	226	58,037	22,047	4,898	148	383	184	1,054	.250	.320	.424	.744
17	Giants	771-756	.505	1,527	771	756	51,819	6,610	12,737	2,589	273	1,570	6,319	4,872	550	12,866	652	246	57,887	20,582	4,432	243	403	273	1,126	.246	.315	.397	.712
18	Blue Jays	778-747	.510	1,525	778	747	51,706	7,090	12,994	2,711	148	2,024	6,797	5,028	533	12,289	652	238	57,781	22,073	4,883	150	364	134	1,213	.251	.322	.427	.749
19	Mets	784-744	.513	1,528	784	744	51,552	6,807	12,752	2,502	209	1,909	6,544	4,916	817	12,579	652	231	57,860	21,399	4,620	236	339	267	1,138	.247	.321	.415	.736
20	Mariners	788-738	.516	1,526	788	738	51,460	6,767	12,455	2,373	172	1,903	6,480	5,034	748	13,459	891	322	57,755	20,881	4,448	158	355	170	1,049	.242	.317	.406	.722
21	Cardinals	813-713	.533	1,526	813	713	51,388	6,867	12,818	2,525	212	1,809	6,562	5,018	687	12,515	771	270	57,779	21,194	4,546	285	401	232	1,055	.249	.322	.412	.735
22	Red Sox	815-713	.533	1,528	815	713	52,971	7,625	13,974	3,129	227	1,834	7,242	4,947	536	12,563	862	267	58,954	23,059	5,190	114	386	288	1,167	.264	.331	.435	.766
23	Braves	814-710	.534	1,524	814	710	51,981	7,165	13,285	2,695	199	1,933	6,873	4,887	581	12,697	780	261	58,103	22,177	4,827	297	357	337	1,094	.256	.324	.427	.751
24	Brewers	817-711	.535	1,528	817	711	51,223	6,873	12,489	2,417	204	1,871	6,557	5,365	575	13,878	1,193	320	57,757	20,927	4,492	255	339	271	1,142	.244	.320	.409	.729
25	Rays	820-705	.538	1,525	820	705	51,573	6,801	12,732	2,575	277	1,801	6,461	4,862	709	13,731	1,053	383	57,630	21,264	4,653	115	371	181	972	.247	.318	.412	.731