Since 1990, the Kansas City Royals have the worst record by a team, with a record of 2491-3063.

	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	2491-3063	.449	5,554	2,491	3,063	190,227	24,408	49,860	9,679	1,273	4,691	23,074	15,574	1,822	35,923	4,091	1,616	210,635	76,158	15,643	1,372	1,640	937	4,256	.262	.321	.400	.722
2	Marlins	2324-2741	.459	5,065	2,324	2,741	172,173	21,311	43,864	8,343	984	4,612	20,206	15,572	1,834	38,331	3,258	1,296	192,575	68,011	13,939	1,718	1,278	1,203	3,807	.255	.321	.395	.716
3	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
4	Pirates	2561-2991	.461	5,554	2,561	2,991	188,335	23,569	47,694	9,468	1,169	4,895	22,410	17,182	2,110	40,284	3,245	1,421	211,162	74,185	15,532	2,048	1,487	1,344	3,952	.253	.320	.394	.714
5	Tigers	2579-2974	.464	5,553	2,579	2,974	190,232	25,468	49,456	9,450	1,228	5,934	24,307	17,644	1,651	40,739	2,773	1,358	212,148	79,164	16,612	1,073	1,548	1,015	4,229	.260	.326	.416	.742
6	Orioles	2618-2933	.472	5,554	2,618	2,933	190,476	25,520	49,430	9,531	755	6,407	24,372	17,477	1,880	37,652	2,878	1,203	212,483	79,692	16,693	1,103	1,547	1,001	4,373	.260	.325	.418	.744
7	Padres	2677-2882	.482	5,559	2,677	2,882	188,166	23,654	47,182	8,957	984	5,205	22,398	18,357	1,619	40,813	3,588	1,401	211,465	73,722	15,146	1,839	1,484	1,367	4,125	.251	.320	.392	.712
8	Nationals	2678-2875	.482	5,554	2,678	2,875	187,895	24,006	47,998	9,750	1,013	5,282	22,708	17,445	1,927	39,110	3,955	1,540	210,921	75,620	16,045	2,218	1,436	1,496	4,092	.255	.323	.402	.725
9	Reds	2698-2861	.485	5,562	2,698	2,861	188,762	25,020	48,146	9,479	941	6,075	23,772	18,388	2,057	41,635	4,026	1,552	212,734	77,732	16,495	2,089	1,438	1,435	3,882	.255	.326	.412	.737
10	Diamondbacks	2114-2213	.489	4,327	2,114	2,213	147,641	19,783	37,622	7,726	1,068	4,621	18,851	14,380	1,427	32,667	2,513	902	165,981	61,347	13,415	1,325	1,208	1,091	3,086	.255	.324	.416	.740
11	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
12	Brewers	2730-2827	.491	5,558	2,730	2,827	188,645	25,208	48,087	9,493	998	5,914	23,972	18,570	2,101	41,333	3,892	1,528	212,563	77,318	16,405	1,771	1,476	1,310	4,143	.255	.326	.410	.736
13	Twins	2732-2822	.492	5,555	2,732	2,822	190,872	25,739	50,322	10,032	1,109	5,283	24,337	17,677	1,904	37,819	3,221	1,424	213,023	78,421	16,424	970	1,600	1,104	4,547	.264	.330	.411	.741
14	Cubs	2742-2811	.494	5,555	2,742	2,811	189,461	25,011	48,416	9,422	1,045	6,036	23,762	17,775	1,934	40,942	3,006	1,333	212,572	78,036	16,503	2,012	1,390	1,419	4,073	.256	.324	.412	.735
15	White Sox	2744-2810	.494	5,557	2,744	2,810	189,563	25,695	49,456	9,150	935	6,134	24,525	17,328	1,856	37,666	3,408	1,516	211,728	78,878	16,219	1,420	1,561	1,007	4,332	.261	.326	.416	.742
16	Rangers	2771-2788	.498	5,560	2,771	2,788	191,286	27,398	50,554	9,885	951	6,676	26,058	17,975	1,833	39,714	3,368	1,329	213,900	82,369	17,512	1,191	1,615	1,093	4,110	.264	.331	.431	.761
17	Mariners	2769-2783	.499	5,552	2,769	2,783	189,773	25,334	48,868	9,309	808	6,041	24,132	18,301	1,945	39,219	3,522	1,368	212,795	77,916	16,158	1,249	1,527	1,250	4,118	.258	.327	.411	.737
18	Mets	2777-2777	.500	5,554	2,777	2,777	188,294	24,472	47,770	9,297	924	5,605	23,289	18,294	1,990	38,820	3,349	1,311	212,068	75,730	15,826	1,998	1,492	1,556	4,074	.254	.324	.402	.726
19	Phillies	2786-2770	.501	5,556	2,786	2,770	189,988	25,228	48,629	9,627	1,154	5,654	23,943	18,903	1,896	40,573	3,570	1,044	214,076	77,526	16,435	1,848	1,441	1,632	3,879	.256	.327	.408	.735
20	Angels	2797-2760	.503	5,557	2,797	2,760	189,733	25,451	49,479	9,248	894	5,755	24,156	17,270	1,806	37,185	3,638	1,650	211,622	77,780	15,897	1,294	1,519	1,219	4,331	.261	.326	.410	.736
21	Blue Jays	2804-2752	.505	5,557	2,804	2,752	190,425	26,282	49,448	10,269	918	6,512	25,059	18,065	2,017	38,660	3,202	1,171	213,004	81,089	17,699	915	1,582	951	4,368	.260	.328	.426	.754
22	Athletics	2826-2729	.509	5,555	2,826	2,729	188,906	25,741	47,578	9,480	774	6,123	24,457	20,139	1,904	39,308	3,000	1,094	213,496	76,975	16,377	985	1,562	954	4,380	.252	.328	.407	.735
23	Astros	2871-2684	.517	5,556	2,871	2,684	189,073	25,511	48,986	9,760	943	5,833	24,223	18,458	2,095	39,152	3,804	1,547	213,054	78,131	16,536	1,886	1,542	1,403	4,280	.259	.329	.413	.743
24	Giants	2873-2683	.517	5,557	2,873	2,683	189,200	24,681	48,488	9,414	1,168	5,404	23,420	18,254	1,743	38,781	2,926	1,297	212,873	76,450	15,986	2,134	1,542	1,828	4,164	.256	.325	.404	.729
25	Guardians	2898-2652	.522	5,550	2,898	2,652	190,074	26,693	50,166	10,116	904	6,018	25,378	18,788	1,964	37,820	3,747	1,425	213,780	80,144	17,038	1,248	1,706	1,165	4,348	.264	.334	.422	.755