Between May 13, 2005 and May 13, 2025, the Kansas City Royals have the worst record by a team, with a record of 1408-1738.

	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	Royals	1408-1738	.448	3,146	1,408	1,738	107,398	13,355	27,816	5,464	689	2,695	12,684	8,249	1,057	21,961	2,216	731	118,216	42,743	8,848	635	877	451	2,447	.259	.316	.398	.714
2	Pirates	1416-1728	.450	3,145	1,416	1,728	106,466	12,953	26,484	5,320	590	2,847	12,378	9,458	1,238	24,820	1,649	691	118,881	41,525	8,757	931	788	653	2,281	.249	.315	.390	.705
3	Marlins	1419-1725	.451	3,144	1,419	1,725	106,812	12,964	26,880	5,175	583	2,939	12,317	9,202	1,154	25,475	1,819	657	118,900	42,038	8,697	988	744	699	2,350	.252	.316	.394	.709
4	Rockies	1437-1711	.456	3,148	1,437	1,711	107,684	14,810	28,307	5,682	783	3,435	14,133	9,768	953	25,523	1,729	699	120,334	45,860	9,900	1,120	809	694	2,321	.263	.327	.426	.753
5	Orioles	1445-1697	.460	3,142	1,445	1,697	107,659	13,974	27,493	5,362	391	3,749	13,374	8,916	1,073	23,790	1,474	540	118,882	44,884	9,502	456	778	436	2,392	.255	.317	.417	.733
6	White Sox	1469-1675	.467	3,144	1,469	1,675	106,964	13,541	27,112	5,042	427	3,476	12,984	8,794	1,224	24,200	1,711	751	118,316	43,436	8,945	590	744	414	2,444	.253	.315	.406	.721
7	Reds	1494-1652	.475	3,147	1,494	1,652	106,438	13,922	26,616	5,234	469	3,610	13,297	10,276	1,328	25,225	2,044	745	119,852	43,618	9,313	1,044	766	676	2,184	.250	.322	.410	.731
8	Nationals	1509-1635	.480	3,144	1,509	1,635	106,297	13,696	27,007	5,417	497	3,185	13,029	10,131	1,203	24,017	1,966	704	119,468	42,973	9,099	1,029	808	712	2,371	.254	.324	.404	.728
9	Diamondbacks	1513-1631	.481	3,144	1,513	1,631	107,080	14,224	26,972	5,664	761	3,351	13,552	10,383	1,053	25,001	1,882	618	120,265	44,211	9,776	883	866	719	2,221	.252	.322	.413	.735
10	Padres	1522-1622	.484	3,144	1,522	1,622	105,725	13,028	25,860	5,048	559	3,072	12,394	10,107	996	25,092	1,991	670	118,576	41,242	8,679	957	791	638	2,210	.245	.314	.390	.704
11	Mariners	1528-1616	.486	3,144	1,528	1,616	106,763	13,246	26,393	4,983	424	3,342	12,610	9,390	1,205	24,585	1,866	676	118,623	42,250	8,749	532	733	518	2,217	.247	.313	.396	.709
12	Tigers	1537-1606	.489	3,143	1,537	1,606	107,819	14,110	28,109	5,418	697	3,281	13,519	9,282	961	24,418	1,332	558	119,385	44,764	9,396	499	824	539	2,449	.261	.323	.415	.738
13	Twins	1555-1593	.494	3,148	1,555	1,593	107,630	14,408	27,669	5,529	569	3,284	13,687	10,083	1,078	23,616	1,539	589	120,165	44,188	9,382	513	861	559	2,420	.257	.325	.411	.735
14	Athletics	1554-1590	.494	3,144	1,554	1,590	106,549	13,823	26,215	5,382	465	3,347	13,156	10,517	1,091	23,867	1,638	511	119,406	42,568	9,194	405	844	385	2,452	.246	.318	.400	.717
15	Rangers	1564-1582	.497	3,146	1,564	1,582	107,591	14,960	27,782	5,461	497	3,770	14,238	9,626	1,129	24,295	2,046	693	119,755	45,547	9,728	557	852	496	2,224	.258	.323	.423	.747
16	Cubs	1581-1564	.503	3,146	1,581	1,564	106,849	14,064	26,972	5,470	572	3,460	13,379	10,202	1,302	25,255	1,631	674	119,948	43,966	9,502	864	731	680	2,312	.252	.323	.411	.735
17	Blue Jays	1584-1559	.504	3,143	1,584	1,559	107,171	14,599	27,366	5,765	401	3,873	13,958	10,110	1,064	23,075	1,503	547	119,608	45,552	10,039	438	825	406	2,499	.255	.323	.425	.748
18	Giants	1586-1559	.504	3,145	1,586	1,559	106,879	13,198	26,891	5,407	659	2,827	12,545	9,452	999	23,474	1,468	591	119,100	42,097	8,893	918	852	754	2,427	.252	.316	.394	.710
19	Mets	1597-1548	.508	3,145	1,597	1,548	106,682	13,878	26,918	5,357	550	3,343	13,265	10,214	1,303	23,712	1,963	609	119,923	43,404	9,250	925	799	788	2,293	.252	.323	.407	.730
20	Angels	1607-1537	.511	3,144	1,607	1,537	106,898	14,222	27,367	5,228	484	3,414	13,546	9,536	1,092	22,918	2,044	779	118,943	43,805	9,126	564	853	664	2,463	.256	.321	.410	.731
21	Astros	1609-1533	.512	3,143	1,609	1,533	106,815	14,106	27,304	5,452	450	3,557	13,463	9,779	1,130	23,360	1,849	709	119,320	44,327	9,459	779	817	545	2,468	.256	.322	.415	.737
22	Phillies	1625-1518	.517	3,143	1,625	1,518	107,365	14,375	27,190	5,371	629	3,553	13,721	10,281	1,227	24,681	2,015	505	120,497	44,478	9,553	869	755	838	2,152	.253	.323	.414	.738
23	Brewers	1631-1517	.518	3,148	1,631	1,517	106,216	14,151	26,639	5,349	529	3,703	13,517	10,321	1,315	25,800	2,202	684	119,497	44,155	9,581	892	753	693	2,334	.251	.323	.416	.738
24	Rays	1645-1498	.523	3,143	1,645	1,498	106,403	14,070	26,682	5,372	608	3,506	13,399	10,471	1,281	25,751	2,384	864	119,444	43,788	9,486	439	850	473	2,138	.251	.323	.412	.734
25	Guardians	1653-1490	.526	3,143	1,653	1,490	106,824	14,406	27,342	5,747	475	3,325	13,728	10,358	1,235	23,488	1,976	631	119,935	44,014	9,547	597	921	597	2,317	.256	.326	.412	.738