Since June 30, 2016, the Chicago White Sox have the worst record by a team, with a record of 569-764.

	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	White Sox	569-764	.427	1,333	569	764	45,184	5,563	11,200	2,141	173	1,422	5,331	3,527	511	11,713	631	220	49,686	17,953	3,736	190	274	101	985	.248	.308	.397	.705
2	Marlins	569-760	.428	1,329	569	760	44,959	5,305	11,032	2,033	197	1,255	5,050	3,636	523	11,415	776	262	49,644	17,224	3,485	237	289	195	1,015	.245	.307	.383	.691
3	Royals	573-762	.429	1,335	573	762	45,002	5,562	11,143	2,165	278	1,324	5,303	3,504	461	10,568	1,019	309	49,533	17,836	3,767	193	373	121	910	.248	.306	.396	.703
4	Pirates	580-751	.436	1,332	580	751	44,708	5,432	10,777	2,114	253	1,249	5,177	4,128	499	11,130	699	272	49,893	17,144	3,616	242	316	213	907	.241	.310	.383	.694
5	Rockies	584-749	.438	1,333	584	749	45,379	6,157	11,584	2,351	301	1,508	5,903	3,920	417	11,944	611	235	50,327	19,061	4,160	279	332	204	986	.255	.318	.420	.738
6	Tigers	588-743	.442	1,331	588	743	44,902	5,457	10,888	2,118	284	1,321	5,225	3,775	434	11,830	554	208	49,526	17,537	3,723	92	323	112	918	.242	.305	.391	.696
7	Orioles	589-744	.442	1,333	589	744	45,373	5,847	11,171	2,166	170	1,683	5,604	3,755	513	11,503	621	200	50,087	18,726	4,019	129	317	104	898	.246	.309	.413	.722
8	Angels	611-720	.459	1,331	611	720	44,697	5,822	10,788	2,047	180	1,641	5,563	4,156	570	11,190	741	253	49,867	18,118	3,868	126	318	215	982	.241	.312	.405	.717
9	Reds	612-721	.459	1,333	612	721	44,675	5,951	10,978	2,108	214	1,590	5,691	4,354	682	11,609	934	312	50,261	18,284	3,912	245	305	171	944	.246	.320	.409	.729
10	Rangers	612-721	.459	1,333	612	721	44,949	6,022	10,890	2,092	173	1,663	5,731	4,148	528	11,728	875	275	50,062	18,317	3,928	130	307	126	821	.242	.312	.408	.719
11	Athletics	627-707	.470	1,334	627	707	44,729	5,769	10,615	2,234	157	1,648	5,507	4,324	563	11,539	623	184	50,051	18,107	4,039	123	312	112	1,024	.237	.310	.405	.715
12	Nationals	632-699	.475	1,331	632	699	44,873	6,070	11,460	2,301	205	1,459	5,785	4,256	558	10,338	983	297	50,304	18,548	3,965	283	334	254	988	.255	.325	.413	.739
13	Diamondbacks	644-686	.484	1,330	644	686	45,118	6,263	11,125	2,334	315	1,539	5,951	4,462	519	11,175	854	202	50,739	18,706	4,188	272	368	214	891	.247	.319	.415	.734
14	Padres	653-677	.491	1,330	653	677	44,484	5,746	10,794	2,087	193	1,537	5,479	4,309	453	11,288	829	275	49,823	17,878	3,817	266	311	195	946	.243	.314	.402	.716
15	Giants	659-673	.495	1,332	659	673	45,087	5,692	10,907	2,228	221	1,405	5,447	4,278	489	11,532	535	202	50,392	17,792	3,854	187	351	226	958	.242	.312	.395	.707
16	Blue Jays	666-664	.501	1,330	666	664	45,077	6,052	11,247	2,352	123	1,732	5,804	4,326	459	10,836	564	207	50,276	19,041	4,207	114	300	119	1,037	.250	.320	.422	.742
17	Mets	682-653	.511	1,335	682	653	44,959	6,019	11,158	2,157	189	1,670	5,786	4,335	743	10,957	614	201	50,542	18,703	4,016	196	309	219	984	.248	.322	.416	.738
18	Phillies	680-650	.511	1,330	680	650	45,066	6,102	11,201	2,221	230	1,625	5,837	4,402	504	11,662	828	209	50,475	18,757	4,076	198	305	241	893	.249	.320	.416	.737
19	Twins	684-650	.513	1,334	684	650	45,442	6,332	11,386	2,362	189	1,757	6,053	4,381	570	11,456	496	183	50,836	19,397	4,308	110	333	151	909	.251	.322	.427	.749
20	Mariners	692-639	.520	1,331	692	639	44,738	5,899	10,724	2,055	148	1,649	5,648	4,439	690	11,905	819	268	50,294	18,022	3,852	117	310	130	895	.240	.316	.403	.719
21	Cubs	702-632	.526	1,335	702	632	44,989	6,303	11,168	2,180	246	1,630	6,004	4,663	677	11,728	784	270	50,894	18,730	4,056	237	328	250	933	.248	.326	.416	.742
22	Cardinals	706-626	.530	1,332	706	626	44,777	6,031	11,149	2,174	161	1,603	5,757	4,390	606	10,975	707	229	50,363	18,454	3,938	232	358	186	911	.249	.322	.412	.734
23	Red Sox	716-620	.536	1,336	716	620	46,232	6,660	12,091	2,716	182	1,639	6,330	4,364	492	11,220	764	240	51,517	20,088	4,537	90	339	247	1,006	.262	.330	.435	.764
24	Brewers	733-604	.548	1,337	733	604	44,800	6,071	10,834	2,096	168	1,682	5,795	4,794	538	12,243	1,080	276	50,603	18,312	3,946	184	287	229	976	.242	.321	.409	.729
25	Rays	734-600	.550	1,334	734	600	45,085	6,039	11,110	2,241	237	1,573	5,733	4,342	608	12,090	989	338	50,449	18,544	4,051	94	320	148	843	.246	.319	.411	.730