Since 1980, the Miami Marlins have the worst record by a team, with a record of 2324-2740.

	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	2324-2740	.459	5,064	2,324	2,740	172,137	21,305	43,854	8,342	984	4,612	20,200	15,569	1,834	38,325	3,258	1,296	192,535	68,000	13,938	1,718	1,277	1,203	3,805	.255	.321	.395	.716
2	Rockies	2330-2745	.459	5,075	2,330	2,745	174,291	25,087	47,074	9,296	1,310	5,732	23,856	16,005	1,582	37,790	3,060	1,370	195,240	76,186	16,338	2,005	1,357	1,209	3,866	.270	.335	.437	.772
3	Pirates	3292-3816	.463	7,113	3,292	3,816	241,417	29,873	61,309	11,946	1,543	5,944	28,337	22,023	2,334	48,652	4,631	2,120	270,551	94,173	19,433	2,799	1,978	1,990	5,082	.254	.320	.390	.710
4	Royals	3317-3797	.466	7,115	3,317	3,797	243,775	31,217	64,127	12,217	1,740	5,906	29,535	20,132	2,113	43,997	5,438	2,113	269,841	97,542	19,863	1,729	2,092	1,356	5,477	.263	.322	.400	.722
5	Tigers	3418-3701	.480	7,120	3,418	3,701	243,907	32,815	63,537	11,777	1,608	7,546	31,206	23,238	1,983	49,126	3,710	1,891	272,704	101,168	20,931	1,555	2,021	1,398	5,357	.260	.327	.415	.742
6	Orioles	3418-3694	.481	7,116	3,418	3,694	243,551	32,521	63,137	11,843	980	8,018	30,993	23,111	2,120	45,887	3,580	1,603	272,282	100,994	20,841	1,517	1,983	1,376	5,769	.259	.326	.415	.741
7	Padres	3438-3687	.483	7,127	3,438	3,687	241,297	29,843	60,737	11,061	1,358	6,157	28,144	23,230	1,818	49,256	5,019	2,063	270,897	92,985	18,576	2,665	1,887	2,059	5,286	.252	.320	.385	.705
8	Mariners	3442-3676	.484	7,120	3,442	3,676	243,025	31,816	62,432	11,728	1,137	7,376	30,241	23,134	2,270	47,594	4,666	2,004	272,093	98,562	20,241	1,737	1,927	1,572	5,299	.257	.325	.406	.730
9	Twins	3465-3655	.487	7,122	3,465	3,655	244,357	32,557	64,408	12,573	1,490	6,633	30,773	22,298	2,213	45,672	3,918	1,875	272,325	99,860	20,696	1,393	2,064	1,481	5,854	.264	.328	.409	.737
10	Reds	3479-3644	.488	7,128	3,479	3,644	241,698	31,451	61,517	11,864	1,260	7,247	29,747	23,572	2,289	50,495	5,525	2,137	272,226	97,642	20,371	2,780	1,887	2,031	5,046	.255	.324	.404	.728
11	Diamondbacks	2114-2212	.489	4,326	2,114	2,212	147,605	19,777	37,614	7,725	1,067	4,620	18,845	14,378	1,426	32,657	2,511	902	165,942	61,333	13,412	1,325	1,208	1,091	3,086	.255	.324	.416	.740
12	Cubs	3477-3632	.489	7,116	3,477	3,632	242,868	31,582	62,152	11,800	1,423	7,329	29,913	22,534	2,149	49,967	4,220	1,876	272,033	98,785	20,552	2,656	1,826	2,007	5,146	.256	.322	.407	.729
13	Rays	2118-2206	.490	4,324	2,118	2,206	147,002	19,207	37,300	7,434	850	4,503	18,274	13,980	1,676	33,458	3,222	1,228	164,553	59,943	12,787	738	1,157	685	3,029	.254	.323	.408	.731
14	Nationals	3489-3627	.490	7,119	3,489	3,627	241,077	30,381	61,554	12,289	1,433	6,363	28,655	22,398	2,222	47,629	5,632	2,205	270,472	95,798	20,085	2,902	1,873	2,200	5,173	.255	.322	.397	.719
15	Rangers	3491-3627	.490	7,122	3,491	3,627	244,572	34,034	64,500	12,211	1,285	7,931	32,277	22,712	2,119	48,022	4,352	1,912	273,125	103,074	21,427	1,664	2,058	1,443	5,384	.264	.329	.421	.751
16	White Sox	3502-3612	.492	7,120	3,502	3,612	242,561	32,475	63,136	11,514	1,310	7,432	30,899	21,987	2,222	46,026	4,528	2,031	270,806	99,566	20,256	1,994	2,042	1,412	5,493	.260	.325	.410	.735
17	Brewers	3534-3587	.496	7,123	3,534	3,587	242,520	32,416	62,440	12,024	1,374	7,287	30,779	23,200	2,391	49,065	4,968	2,053	272,388	99,073	20,685	2,303	1,974	1,727	5,319	.257	.326	.409	.734
18	Phillies	3569-3550	.501	7,122	3,569	3,550	243,057	31,861	62,148	11,979	1,558	6,917	30,163	24,198	2,190	49,799	4,874	1,621	273,811	97,994	20,454	2,475	1,891	2,220	5,052	.256	.326	.403	.729
19	Angels	3580-3543	.503	7,123	3,580	3,543	243,078	32,528	63,250	11,512	1,181	7,209	30,762	22,687	2,153	45,686	4,464	2,118	271,934	98,751	19,902	2,040	1,976	1,625	5,607	.260	.326	.406	.733
20	Mets	3593-3520	.505	7,115	3,593	3,520	241,262	30,954	61,244	11,603	1,222	6,812	29,329	23,308	2,251	47,928	4,729	1,882	271,430	95,727	19,637	2,656	1,953	2,208	5,163	.254	.323	.397	.720
21	Guardians	3608-3501	.508	7,111	3,608	3,501	243,532	33,582	64,348	12,430	1,227	7,185	31,820	23,956	2,247	45,493	4,954	2,017	273,719	100,787	20,842	1,759	2,225	1,544	5,618	.264	.333	.414	.747
22	Blue Jays	3621-3498	.509	7,122	3,621	3,498	244,308	33,338	63,667	12,839	1,378	7,969	31,670	22,778	2,345	46,887	4,408	1,800	272,729	103,169	22,186	1,280	2,018	1,325	5,522	.261	.327	.422	.749
23	Athletics	3629-3493	.510	7,122	3,629	3,493	242,044	32,828	61,225	11,693	1,058	7,592	31,085	25,457	2,195	48,151	4,567	1,763	273,318	97,810	20,343	1,531	2,091	1,283	5,569	.253	.327	.404	.731
24	Giants	3646-3478	.512	7,125	3,646	3,478	242,300	31,129	61,788	11,650	1,512	6,622	29,434	23,496	2,019	48,286	4,092	1,992	272,652	96,328	19,784	2,895	1,942	2,481	5,261	.255	.324	.398	.721
25	Astros	3690-3434	.518	7,125	3,690	3,434	242,340	31,719	62,493	12,069	1,381	6,764	30,034	23,327	2,307	47,356	5,251	2,191	272,601	97,616	20,214	2,627	2,000	2,042	5,264	.258	.326	.403	.729