Since 2012, the Miami Marlins have the worst record by a team, with a record of 889-1166.

	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	889-1166	.433	2,055	889	1,166	69,549	8,011	17,169	3,130	363	1,796	7,615	5,649	710	17,034	1,195	409	76,877	26,413	5,289	514	455	367	1,600	.247	.308	.380	.688
2	Rockies	893-1166	.434	2,059	893	1,166	70,451	9,531	18,400	3,689	501	2,309	9,117	5,831	577	17,546	1,036	421	77,914	30,018	6,499	553	502	369	1,522	.261	.321	.426	.747
3	White Sox	905-1154	.440	2,059	905	1,154	69,997	8,516	17,431	3,270	298	2,153	8,158	5,458	767	17,354	1,032	401	76,983	27,756	5,721	304	457	214	1,525	.249	.309	.397	.705
4	Royals	956-1104	.464	2,060	956	1,104	69,972	8,575	17,770	3,435	431	1,869	8,158	5,269	695	15,165	1,608	467	76,844	27,674	5,735	341	567	255	1,500	.254	.310	.396	.706
5	Reds	968-1092	.470	2,060	968	1,092	69,253	8,889	17,012	3,323	327	2,305	8,483	6,538	924	17,294	1,400	491	77,753	27,904	5,955	555	483	369	1,431	.246	.317	.403	.720
6	Tigers	973-1083	.473	2,056	973	1,083	70,063	8,799	17,786	3,430	438	2,070	8,440	5,946	638	17,069	868	355	77,388	28,302	5,938	216	525	302	1,566	.254	.316	.404	.720
7	Pirates	977-1081	.475	2,059	977	1,081	69,505	8,460	17,057	3,339	400	1,950	8,069	6,283	850	17,036	1,123	480	77,626	27,046	5,689	505	483	399	1,429	.245	.314	.389	.703
8	Diamondbacks	985-1074	.478	2,059	985	1,074	70,287	9,384	17,643	3,628	503	2,201	8,910	6,646	704	16,779	1,283	388	78,714	28,880	6,332	506	571	406	1,473	.251	.320	.411	.730
9	Padres	989-1068	.481	2,057	989	1,068	68,864	8,539	16,656	3,220	336	2,145	8,115	6,423	664	17,165	1,335	439	76,948	26,983	5,701	510	487	330	1,413	.242	.311	.392	.702
10	Orioles	991-1067	.482	2,058	991	1,067	70,280	9,122	17,532	3,397	239	2,661	8,748	5,706	730	17,210	858	311	77,447	29,390	6,297	252	479	229	1,455	.249	.310	.418	.729
11	Angels	993-1065	.483	2,058	993	1,065	69,569	9,089	17,278	3,270	300	2,398	8,663	6,279	800	16,412	1,118	410	77,482	28,342	5,968	296	538	371	1,572	.248	.316	.407	.723
12	Twins	994-1065	.483	2,059	994	1,065	70,239	9,370	17,588	3,637	319	2,409	8,942	6,632	794	17,217	903	343	78,433	29,090	6,365	241	527	273	1,436	.250	.320	.414	.734
13	Rangers	1002-1059	.486	2,061	1,002	1,059	69,787	9,342	17,419	3,320	298	2,421	8,887	6,216	817	16,861	1,371	482	77,655	28,598	6,039	306	529	279	1,372	.250	.316	.410	.726
14	Phillies	1005-1053	.488	2,058	1,005	1,053	69,832	8,919	17,326	3,387	375	2,250	8,507	6,292	747	17,168	1,246	345	77,798	28,213	6,012	465	462	399	1,408	.248	.315	.404	.719
15	Athletics	1008-1051	.490	2,059	1,008	1,051	69,549	8,998	16,763	3,450	307	2,402	8,572	6,699	762	16,825	1,014	306	77,719	28,033	6,159	211	498	239	1,530	.241	.313	.403	.716
16	Blue Jays	1032-1026	.501	2,058	1,032	1,026	69,861	9,476	17,576	3,602	223	2,639	9,057	6,679	682	16,159	990	344	77,982	29,541	6,464	259	501	213	1,623	.252	.321	.423	.744
17	Mets	1039-1021	.504	2,060	1,039	1,021	69,518	8,876	17,084	3,392	287	2,338	8,530	6,595	988	16,821	974	342	77,981	28,064	6,017	419	461	403	1,507	.246	.318	.404	.722
18	Mariners	1040-1017	.506	2,057	1,040	1,017	69,480	8,808	16,737	3,169	255	2,433	8,416	6,547	882	17,676	1,161	432	77,629	27,715	5,857	259	461	250	1,411	.241	.312	.399	.711
19	Nationals	1042-1016	.506	2,058	1,042	1,016	69,559	9,208	17,733	3,518	308	2,247	8,745	6,532	768	16,108	1,381	428	77,927	28,608	6,073	532	536	428	1,507	.255	.323	.411	.735
20	Cubs	1050-1009	.510	2,060	1,050	1,009	69,515	9,233	17,095	3,425	371	2,369	8,792	6,893	966	17,851	1,131	441	78,281	28,369	6,165	432	475	411	1,426	.246	.321	.408	.729
21	Giants	1050-1010	.510	2,060	1,050	1,010	70,024	8,771	17,463	3,476	419	1,947	8,369	6,397	672	16,631	913	348	78,095	27,618	5,842	437	565	402	1,524	.249	.316	.394	.710
22	Red Sox	1073-989	.520	2,062	1,073	989	71,450	10,063	18,760	4,179	299	2,358	9,564	6,663	744	16,777	1,168	351	79,612	30,611	6,836	201	554	408	1,579	.263	.330	.428	.758
23	Brewers	1075-987	.521	2,062	1,075	987	69,301	9,108	17,031	3,327	320	2,418	8,686	6,791	826	17,900	1,633	464	77,865	28,252	6,065	494	453	367	1,527	.246	.319	.408	.726
24	Astros	1094-963	.532	2,057	1,094	963	69,881	9,559	17,803	3,567	267	2,585	9,126	6,593	777	16,306	1,178	449	78,071	29,659	6,419	270	550	278	1,616	.255	.324	.424	.748
25	Rays	1106-954	.537	2,060	1,106	954	69,625	9,006	17,194	3,462	360	2,306	8,571	6,698	885	17,731	1,372	510	77,957	28,294	6,128	220	529	271	1,408	.247	.319	.406	.725