Between May 6, 2015 and May 6, 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	51,580	6,060	12,784	2,328	244	1,410	5,769	4,094	574	12,795	872	299	56,894	19,830	3,982	312	334	233	1,172	.248	.308	.384	.693
2	White Sox	667-862	.436	1,529	667	862	51,913	6,363	12,892	2,453	214	1,607	6,092	4,058	595	13,240	711	270	57,123	20,594	4,274	231	326	132	1,126	.248	.308	.397	.705
3	Tigers	670-851	.440	1,521	670	851	51,572	6,292	12,704	2,446	340	1,534	6,034	4,306	480	13,345	638	259	56,843	20,432	4,320	120	365	151	1,083	.246	.308	.396	.705
4	Rockies	675-853	.442	1,528	675	853	52,126	7,143	13,419	2,701	361	1,753	6,841	4,448	460	13,472	722	284	57,753	22,101	4,815	347	372	263	1,126	.257	.319	.424	.743
5	Reds	682-846	.446	1,528	682	846	51,321	6,734	12,606	2,430	247	1,790	6,440	4,909	738	13,129	1,078	368	57,633	20,900	4,467	313	352	221	1,085	.246	.318	.407	.726
6	Royals	683-845	.447	1,528	683	845	51,648	6,405	12,934	2,515	316	1,503	6,106	3,972	528	11,811	1,134	346	56,803	20,590	4,334	230	425	151	1,074	.250	.308	.399	.707
7	Pirates	696-830	.456	1,527	696	830	51,523	6,343	12,610	2,483	294	1,429	6,042	4,726	613	12,710	821	331	57,538	19,968	4,206	312	364	264	1,059	.245	.314	.388	.701
8	Orioles	699-828	.458	1,527	699	828	51,964	6,758	12,860	2,491	185	1,974	6,479	4,285	564	13,087	650	223	57,313	21,643	4,650	148	352	134	1,048	.247	.310	.416	.726
9	Angels	704-820	.462	1,524	704	820	51,205	6,607	12,449	2,357	204	1,833	6,307	4,678	627	12,401	804	292	57,055	20,713	4,394	179	366	253	1,150	.243	.312	.405	.717
10	Athletics	715-811	.469	1,526	715	811	51,307	6,574	12,258	2,547	209	1,828	6,279	4,846	611	12,824	707	221	57,267	20,707	4,584	138	365	139	1,160	.239	.310	.404	.714
11	Rangers	731-796	.479	1,527	731	796	51,583	6,997	12,688	2,424	212	1,889	6,660	4,714	607	13,154	987	324	57,458	21,203	4,525	180	374	168	961	.246	.314	.411	.725
12	Padres	738-786	.484	1,524	738	786	51,003	6,516	12,365	2,403	227	1,721	6,221	4,831	505	12,967	948	318	57,038	20,385	4,351	335	364	223	1,068	.242	.312	.400	.712
13	Diamondbacks	740-789	.484	1,529	740	789	52,074	7,152	12,985	2,688	381	1,740	6,790	5,060	558	12,893	1,005	252	58,462	21,655	4,809	333	437	271	1,060	.249	.320	.416	.736
14	Nationals	742-785	.486	1,527	742	785	51,466	6,959	13,143	2,611	222	1,704	6,633	4,936	614	11,933	1,072	329	57,767	21,310	4,537	343	408	310	1,141	.255	.326	.414	.740
15	Phillies	752-772	.493	1,524	752	772	51,611	6,826	12,809	2,546	276	1,789	6,512	4,843	563	13,216	914	258	57,621	21,274	4,611	262	342	271	1,046	.248	.318	.412	.730
16	Twins	763-763	.500	1,526	763	763	51,962	7,143	12,988	2,699	241	1,959	6,825	4,933	616	13,008	600	225	58,044	22,046	4,899	148	385	184	1,054	.250	.320	.424	.744
17	Giants	769-758	.504	1,527	769	758	51,805	6,596	12,727	2,587	274	1,569	6,305	4,864	548	12,857	652	246	57,861	20,569	4,430	242	402	273	1,124	.246	.315	.397	.712
18	Blue Jays	779-745	.511	1,524	779	745	51,667	7,088	12,985	2,708	149	2,023	6,795	5,027	533	12,275	653	238	57,741	22,060	4,880	150	364	132	1,213	.251	.322	.427	.749
19	Mets	784-743	.513	1,527	784	743	51,518	6,804	12,747	2,498	208	1,909	6,541	4,912	817	12,570	650	231	57,822	21,388	4,615	236	339	267	1,136	.247	.321	.415	.736
20	Mariners	786-739	.515	1,525	786	739	51,420	6,759	12,443	2,369	172	1,902	6,472	5,028	747	13,447	888	323	57,708	20,862	4,443	158	355	170	1,050	.242	.317	.406	.722
21	Cardinals	812-714	.532	1,526	812	714	51,398	6,870	12,822	2,524	213	1,810	6,563	5,016	688	12,515	772	270	57,788	21,202	4,547	285	401	234	1,053	.249	.322	.413	.735
22	Red Sox	814-713	.533	1,527	814	713	52,939	7,621	13,964	3,127	227	1,832	7,238	4,949	536	12,556	862	267	58,925	23,041	5,186	114	387	288	1,166	.264	.331	.435	.766
23	Braves	814-709	.534	1,523	814	709	51,946	7,167	13,283	2,697	199	1,933	6,875	4,884	581	12,678	781	261	58,065	22,177	4,829	297	357	336	1,097	.256	.325	.427	.751
24	Brewers	817-711	.535	1,528	817	711	51,229	6,878	12,494	2,415	204	1,872	6,562	5,368	574	13,876	1,193	320	57,765	20,933	4,491	254	340	272	1,141	.244	.321	.409	.729
25	Rays	821-704	.538	1,525	821	704	51,579	6,806	12,740	2,579	277	1,803	6,466	4,867	710	13,719	1,053	384	57,641	21,282	4,659	116	369	181	974	.247	.318	.413	.731