Since 1930, the Miami Marlins have the worst record by a team, with a record of 2328-2749.

	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	2328-2749	.459	5,077	2,328	2,749	172,574	21,354	43,960	8,366	984	4,620	20,248	15,602	1,837	38,420	3,265	1,301	193,014	68,154	13,970	1,721	1,280	1,203	3,814	.255	.321	.395	.716
2	Rockies	2333-2753	.459	5,086	2,333	2,753	174,654	25,120	47,156	9,316	1,316	5,743	23,889	16,027	1,586	37,886	3,064	1,373	195,632	76,333	16,375	2,005	1,360	1,209	3,876	.270	.335	.437	.772
3	Padres	4165-4745	.467	8,912	4,165	4,745	301,273	36,123	75,118	13,291	1,764	7,275	33,968	28,675	2,130	59,612	6,020	2,607	338,048	113,762	22,330	3,717	2,253	2,687	6,511	.249	.317	.378	.694
4	Phillies	7075-7871	.473	14,978	7,075	7,871	510,930	64,010	131,242	23,408	3,775	12,048	60,026	48,788	3,580	86,615	7,880	2,917	572,922	198,344	39,231	6,606	3,018	3,741	9,873	.257	.324	.388	.712
5	Rangers	4850-5337	.476	10,193	4,850	5,337	347,935	45,847	89,716	15,986	1,893	10,215	43,322	32,939	2,705	65,341	5,963	2,852	389,379	140,133	28,094	2,964	2,836	2,252	7,802	.258	.324	.403	.727
6	Royals	4242-4656	.477	8,900	4,242	4,656	304,426	38,901	79,952	14,941	2,292	7,017	36,716	26,035	2,465	52,249	7,103	2,903	337,975	120,528	24,250	2,374	2,675	1,870	6,792	.263	.323	.396	.719
7	Mariners	3632-3983	.477	7,617	3,632	3,983	259,848	33,807	66,762	12,439	1,260	7,751	32,119	24,624	2,359	49,907	5,041	2,173	290,858	104,974	21,450	1,949	2,078	1,666	5,692	.257	.324	.404	.728
8	Athletics	7141-7806	.478	14,981	7,141	7,806	508,947	66,208	129,450	22,800	3,310	12,903	62,157	52,438	3,572	84,072	8,251	3,208	573,740	197,579	39,013	5,677	3,106	2,272	10,637	.254	.326	.388	.715
9	Orioles	7188-7741	.481	14,974	7,188	7,741	510,841	65,860	131,342	23,478	3,012	13,420	62,129	51,060	3,384	82,780	6,632	2,785	574,102	201,104	39,910	5,707	3,110	2,576	10,857	.257	.327	.394	.721
10	Nationals	4295-4605	.483	8,904	4,295	4,605	301,127	37,299	76,395	14,747	1,792	7,620	35,059	28,298	2,638	57,307	6,557	2,784	338,232	117,586	24,159	3,880	2,289	2,882	6,514	.254	.321	.390	.711
11	Mets	4859-5172	.484	10,039	4,859	5,172	339,651	41,436	84,871	15,163	1,819	8,610	39,021	32,480	2,875	65,107	5,906	2,737	381,621	129,502	25,592	3,989	2,626	3,145	7,476	.250	.318	.381	.700
12	Pirates	7248-7688	.485	14,982	7,248	7,688	513,001	64,284	133,935	23,551	4,585	10,873	60,340	45,959	3,650	83,335	7,734	3,276	572,604	199,275	39,009	6,875	3,119	3,701	10,070	.261	.324	.388	.713
13	Twins	7267-7681	.486	14,984	7,267	7,681	514,570	67,508	135,371	24,103	4,232	11,330	63,306	49,922	3,797	79,465	7,388	3,082	576,908	201,928	39,665	5,449	3,170	2,664	10,986	.263	.331	.392	.723
14	Brewers	4344-4562	.488	8,910	4,344	4,562	302,436	39,602	77,425	14,429	1,756	8,726	37,520	29,118	2,718	59,085	6,008	2,737	339,858	121,544	24,911	3,166	2,420	2,160	6,617	.256	.325	.402	.726
15	Cubs	7301-7646	.488	14,995	7,301	7,646	512,856	65,497	132,455	23,394	3,786	13,026	61,506	47,818	3,572	86,770	7,028	3,075	574,080	202,499	40,206	6,920	2,914	3,523	9,972	.258	.324	.395	.719
16	Diamondbacks	2120-2219	.489	4,339	2,120	2,219	148,043	19,846	37,721	7,742	1,071	4,641	18,914	14,429	1,431	32,767	2,517	906	166,441	61,528	13,454	1,328	1,210	1,093	3,098	.255	.325	.416	.740
17	Rays	2127-2210	.490	4,337	2,127	2,210	147,439	19,284	37,409	7,460	850	4,522	18,344	14,022	1,682	33,578	3,244	1,230	165,045	60,135	12,832	741	1,161	688	3,035	.254	.323	.408	.731
18	White Sox	7344-7585	.492	14,973	7,344	7,585	510,225	65,725	132,510	22,461	3,595	11,651	61,705	48,865	3,975	77,920	8,615	3,489	572,647	197,114	37,707	6,354	3,228	2,462	10,530	.260	.327	.386	.714
19	Angels	5053-5149	.495	10,205	5,053	5,149	346,231	44,163	88,570	15,314	1,812	9,244	41,557	32,368	2,834	62,919	6,056	3,105	387,749	135,240	26,370	3,540	2,776	2,485	7,886	.256	.322	.391	.713
20	Blue Jays	3798-3818	.499	7,619	3,798	3,818	261,040	35,230	67,893	13,568	1,493	8,285	33,418	24,212	2,429	49,081	4,581	1,964	291,316	109,302	23,346	1,505	2,130	1,405	5,944	.260	.326	.419	.745
21	Reds	7471-7481	.500	14,982	7,471	7,481	511,268	65,479	131,806	23,795	3,412	12,999	61,544	48,082	3,724	86,131	9,136	3,412	573,039	201,422	40,206	6,922	3,043	3,649	9,730	.258	.324	.394	.718
22	Tigers	7487-7477	.500	15,003	7,487	7,477	513,641	68,772	134,241	23,321	3,950	13,697	64,742	51,772	3,350	83,004	6,710	2,939	577,442	206,553	40,968	5,568	3,111	2,449	10,726	.261	.331	.402	.733
23	Astros	5045-4995	.502	10,045	5,045	4,995	340,881	42,829	86,898	15,927	2,173	8,446	40,309	32,393	2,909	63,058	7,164	3,136	382,933	132,509	26,546	4,030	2,720	3,145	7,427	.255	.323	.389	.711
24	Guardians	7661-7273	.513	14,970	7,661	7,273	512,179	68,373	134,498	24,088	3,420	13,203	64,362	50,388	3,615	80,040	7,884	3,391	575,541	205,035	40,711	5,999	3,360	2,549	10,540	.263	.331	.400	.731
25	Braves	7666-7264	.513	14,974	7,666	7,264	510,902	65,208	131,748	22,707	3,074	13,376	61,371	48,109	3,248	82,279	6,894	3,070	572,337	200,731	39,157	7,196	2,882	3,658	10,393	.258	.324	.393	.717