Since 1971, the Miami Marlins have the worst record by a team, with a record of 2326-2746.

	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	2326-2746	.459	5,072	2,326	2,746	172,397	21,332	43,914	8,357	984	4,615	20,226	15,594	1,837	38,382	3,260	1,297	192,828	68,084	13,956	1,721	1,279	1,203	3,812	.255	.321	.395	.716
2	Rockies	2333-2749	.459	5,082	2,333	2,749	174,517	25,107	47,119	9,306	1,311	5,739	23,876	16,013	1,585	37,851	3,063	1,371	195,480	76,264	16,356	2,005	1,360	1,209	3,871	.270	.334	.437	.771
3	Padres	4047-4532	.472	8,581	4,047	4,532	290,179	34,943	72,501	12,894	1,683	7,000	32,879	27,730	2,054	57,247	5,906	2,517	325,742	109,761	21,577	3,576	2,203	2,601	6,275	.250	.317	.378	.696
4	Mariners	3631-3977	.477	7,610	3,631	3,977	259,594	33,782	66,691	12,428	1,259	7,745	32,094	24,606	2,357	49,841	5,030	2,173	290,581	104,872	21,432	1,948	2,076	1,665	5,687	.257	.324	.404	.728
5	Royals	4106-4462	.479	8,569	4,106	4,462	293,244	37,680	77,236	14,551	2,219	6,813	35,582	24,985	2,400	50,353	6,872	2,779	325,491	116,664	23,583	2,253	2,609	1,787	6,533	.263	.324	.398	.722
6	Pirates	4122-4441	.481	8,569	4,122	4,441	291,924	36,450	74,871	14,211	2,008	7,126	34,468	26,197	2,631	56,418	5,661	2,593	326,532	114,476	23,345	3,375	2,405	2,655	6,145	.256	.321	.392	.713
7	Tigers	4132-4440	.482	8,573	4,132	4,440	293,176	38,739	76,150	13,635	1,938	8,828	36,768	27,647	2,266	56,217	4,354	2,310	327,513	120,145	24,401	2,021	2,403	1,754	6,587	.260	.326	.410	.736
8	Nationals	4168-4402	.486	8,574	4,168	4,402	290,114	36,019	73,777	14,327	1,724	7,354	33,860	27,101	2,558	55,333	6,439	2,684	325,713	113,614	23,405	3,716	2,224	2,767	6,272	.254	.321	.392	.713
9	Rangers	4170-4398	.487	8,573	4,170	4,398	293,588	39,900	76,944	14,117	1,545	8,906	37,760	27,677	2,401	55,417	5,374	2,498	328,488	120,869	24,568	2,346	2,476	1,842	6,535	.262	.328	.412	.740
10	Twins	4182-4388	.488	8,573	4,182	4,388	294,283	38,960	77,833	14,618	1,865	7,600	36,752	27,233	2,549	52,812	4,699	2,341	328,670	118,981	24,083	2,115	2,490	1,926	7,070	.264	.330	.404	.734
11	Cubs	4182-4382	.488	8,572	4,182	4,382	292,320	37,593	74,906	13,831	1,755	8,338	35,479	27,554	2,405	57,241	4,872	2,372	327,910	117,261	23,924	3,382	2,249	2,607	6,319	.256	.323	.401	.724
12	Diamondbacks	2116-2216	.488	4,332	2,116	2,216	147,809	19,809	37,664	7,734	1,069	4,629	18,877	14,395	1,430	32,701	2,515	903	166,167	61,423	13,432	1,325	1,208	1,091	3,090	.255	.324	.416	.740
13	Rays	2122-2208	.490	4,330	2,122	2,208	147,204	19,247	37,353	7,447	850	4,514	18,310	14,001	1,679	33,515	3,233	1,230	164,780	60,042	12,811	738	1,158	686	3,032	.254	.323	.408	.731
14	White Sox	4200-4363	.490	8,572	4,200	4,363	291,790	38,466	75,935	13,517	1,640	8,519	36,474	26,643	2,543	53,244	5,303	2,557	325,986	118,289	23,676	2,547	2,463	1,788	6,664	.260	.325	.405	.730
15	Brewers	4213-4364	.491	8,579	4,213	4,364	291,450	38,341	74,817	14,046	1,705	8,472	36,357	27,876	2,645	57,039	5,746	2,604	327,307	117,689	24,223	2,979	2,357	2,063	6,370	.257	.325	.404	.729
16	Orioles	4258-4297	.498	8,559	4,258	4,297	292,334	38,649	75,548	13,881	1,239	9,240	36,711	28,275	2,442	53,594	4,539	2,081	327,501	119,627	24,360	2,058	2,392	1,837	6,907	.258	.327	.409	.736
17	Blue Jays	3792-3817	.498	7,612	3,792	3,817	260,789	35,190	67,823	13,552	1,492	8,276	33,379	24,201	2,428	49,045	4,579	1,963	291,051	109,187	23,320	1,504	2,129	1,404	5,938	.260	.326	.419	.745
18	Angels	4278-4302	.499	8,581	4,278	4,302	292,078	38,181	75,543	13,397	1,461	8,101	36,005	27,324	2,497	53,065	5,463	2,716	327,030	116,165	22,959	2,747	2,384	2,025	6,761	.259	.325	.398	.723
19	Mets	4277-4293	.499	8,573	4,277	4,293	290,436	36,328	73,254	13,496	1,515	7,659	34,294	28,239	2,523	55,602	5,364	2,332	326,903	112,757	22,670	3,395	2,310	2,728	6,388	.252	.322	.388	.710
20	Guardians	4272-4283	.499	8,557	4,272	4,283	292,484	39,338	76,837	14,268	1,497	8,261	37,183	28,447	2,501	52,178	5,679	2,641	328,440	118,882	24,026	2,392	2,616	1,881	6,809	.263	.331	.406	.737
21	Phillies	4310-4267	.503	8,581	4,310	4,267	292,664	38,010	74,956	14,152	1,937	8,048	35,900	29,025	2,497	57,796	5,817	2,145	329,603	117,126	24,137	3,067	2,350	2,831	6,029	.256	.326	.400	.726
22	Reds	4332-4246	.505	8,584	4,332	4,246	291,290	38,219	74,469	14,146	1,606	8,501	36,043	29,191	2,547	58,790	6,805	2,600	328,749	117,330	24,253	3,401	2,320	2,668	6,115	.256	.326	.403	.729
23	Giants	4356-4224	.508	8,581	4,356	4,224	291,383	37,093	74,100	13,637	1,875	7,715	34,924	28,614	2,260	56,258	5,049	2,465	328,190	114,632	23,227	3,617	2,316	3,050	6,311	.254	.323	.393	.717
24	Athletics	4378-4199	.510	8,577	4,378	4,199	290,603	38,752	73,218	13,512	1,344	8,761	36,580	30,284	2,533	56,054	5,981	2,495	328,121	115,701	23,617	2,218	2,483	1,689	6,572	.252	.325	.398	.723
25	Astros	4408-4170	.514	8,580	4,408	4,170	291,674	37,520	75,042	14,105	1,808	7,604	35,409	27,742	2,569	54,830	6,507	2,756	327,706	115,575	23,517	3,335	2,386	2,598	6,313	.257	.325	.396	.721