Between May 10, 2015 and May 10, 2025, the Miami Marlins have the worst record by a team, with a record of 659-863.

	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	659-863	.433	1,522	659	863	51,535	6,050	12,766	2,325	244	1,409	5,759	4,097	574	12,781	878	300	56,852	19,806	3,978	312	334	234	1,171	.248	.308	.384	.693
2	White Sox	666-863	.436	1,529	666	863	51,908	6,353	12,883	2,455	214	1,601	6,081	4,056	596	13,255	712	268	57,115	20,569	4,270	231	324	132	1,128	.248	.308	.396	.705
3	Rockies	675-854	.441	1,529	675	854	52,178	7,152	13,434	2,704	361	1,755	6,851	4,456	459	13,486	722	285	57,814	22,125	4,820	347	374	264	1,129	.257	.319	.424	.743
4	Tigers	672-849	.442	1,521	672	849	51,579	6,305	12,707	2,448	338	1,534	6,047	4,302	479	13,343	637	259	56,844	20,433	4,320	119	365	149	1,087	.246	.308	.396	.704
5	Reds	681-847	.446	1,528	681	847	51,328	6,726	12,596	2,434	245	1,790	6,432	4,906	736	13,150	1,077	369	57,633	20,890	4,469	312	351	221	1,080	.245	.318	.407	.725
6	Royals	685-843	.448	1,528	685	843	51,645	6,402	12,933	2,514	316	1,501	6,105	3,973	527	11,810	1,137	345	56,802	20,582	4,331	231	426	151	1,074	.250	.308	.399	.707
7	Pirates	695-830	.456	1,526	695	830	51,480	6,328	12,584	2,476	294	1,430	6,030	4,719	612	12,723	818	329	57,484	19,938	4,200	311	362	264	1,056	.244	.313	.387	.701
8	Orioles	699-828	.458	1,527	699	828	51,962	6,753	12,858	2,493	185	1,971	6,474	4,283	561	13,100	648	223	57,306	21,634	4,649	147	353	134	1,049	.247	.310	.416	.726
9	Angels	704-820	.462	1,524	704	820	51,212	6,613	12,449	2,354	204	1,837	6,311	4,683	627	12,417	805	294	57,067	20,722	4,395	179	366	253	1,146	.243	.312	.405	.717
10	Athletics	715-810	.469	1,525	715	810	51,268	6,574	12,255	2,547	209	1,826	6,279	4,843	611	12,810	706	221	57,223	20,698	4,582	138	363	138	1,161	.239	.310	.404	.714
11	Rangers	730-797	.478	1,527	730	797	51,577	6,988	12,686	2,422	211	1,886	6,651	4,711	609	13,141	984	323	57,451	21,188	4,519	180	374	168	963	.246	.314	.411	.725
12	Padres	736-787	.483	1,523	736	787	50,958	6,514	12,352	2,397	224	1,720	6,217	4,821	506	12,961	940	316	56,984	20,357	4,341	334	365	222	1,068	.242	.312	.399	.712
13	Diamondbacks	739-789	.484	1,528	739	789	52,007	7,136	12,955	2,679	380	1,740	6,775	5,059	561	12,872	997	251	58,397	21,614	4,799	333	437	271	1,059	.249	.320	.416	.736
14	Nationals	739-787	.484	1,526	739	787	51,431	6,941	13,125	2,611	222	1,693	6,615	4,936	616	11,922	1,072	329	57,734	21,259	4,526	343	408	309	1,139	.255	.325	.413	.739
15	Phillies	754-771	.494	1,525	754	771	51,652	6,838	12,822	2,546	276	1,792	6,525	4,849	564	13,221	916	260	57,670	21,296	4,614	263	342	271	1,047	.248	.318	.412	.730
16	Twins	763-763	.500	1,526	763	763	51,942	7,130	12,972	2,691	241	1,958	6,814	4,929	617	13,015	602	226	58,018	22,019	4,890	147	383	184	1,052	.250	.320	.424	.744
17	Giants	770-756	.505	1,526	770	756	51,780	6,603	12,718	2,584	273	1,570	6,312	4,863	549	12,862	652	245	57,837	20,558	4,427	242	403	273	1,124	.246	.315	.397	.712
18	Blue Jays	778-747	.510	1,525	778	747	51,713	7,090	12,997	2,712	147	2,023	6,796	5,029	533	12,292	649	239	57,790	22,072	4,882	151	364	135	1,213	.251	.322	.427	.749
19	Mets	784-743	.513	1,527	784	743	51,522	6,810	12,751	2,501	209	1,912	6,548	4,913	816	12,572	656	231	57,825	21,406	4,622	235	339	266	1,137	.247	.321	.415	.736
20	Mariners	786-739	.515	1,525	786	739	51,423	6,759	12,444	2,370	172	1,902	6,476	5,027	746	13,449	889	322	57,709	20,864	4,444	158	355	168	1,049	.242	.317	.406	.722
21	Cardinals	813-712	.533	1,525	813	712	51,350	6,864	12,808	2,521	212	1,806	6,557	5,021	688	12,509	770	270	57,747	21,171	4,539	285	403	232	1,055	.249	.322	.412	.735
22	Red Sox	816-712	.534	1,528	816	712	52,979	7,630	13,976	3,129	227	1,835	7,246	4,945	537	12,563	864	267	58,961	23,064	5,191	114	386	288	1,165	.264	.331	.435	.766
23	Brewers	816-711	.534	1,527	816	711	51,189	6,858	12,476	2,413	204	1,866	6,542	5,356	575	13,873	1,195	320	57,712	20,895	4,483	255	337	270	1,141	.244	.320	.408	.729
24	Braves	815-709	.535	1,524	815	709	51,988	7,164	13,287	2,689	201	1,933	6,872	4,890	579	12,704	782	261	58,113	22,177	4,823	298	358	338	1,093	.256	.324	.427	.751
25	Rays	819-706	.537	1,525	819	706	51,578	6,796	12,734	2,572	277	1,799	6,455	4,863	708	13,739	1,055	384	57,635	21,257	4,648	115	371	181	973	.247	.318	.412	.730