The Detroit Tigers had the worst winning percentage by a team in 2019, winning 29.2 percent of the time.

	TEAM	W%	SEASON	W	L	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Tigers	.292	2019	47	114	161	5,549	582	1,333	292	41	149	556	391	48	1,595	57	20	6,039	2,154	482	9	42	14	108	.240	.294	.388	.682
2	Orioles	.333	2019	54	108	162	5,596	729	1,379	252	25	213	698	462	71	1,435	84	30	6,188	2,320	490	22	37	8	111	.246	.310	.415	.725
3	Marlins	.352	2019	57	105	162	5,512	615	1,326	265	18	146	593	395	73	1,469	55	30	6,044	2,065	429	31	33	16	139	.241	.298	.375	.673
4	Royals	.364	2019	59	103	162	5,496	691	1,356	281	40	162	655	456	59	1,405	117	39	6,077	2,203	483	24	42	17	113	.247	.309	.401	.710
5	Blue Jays	.414	2019	67	95	162	5,493	726	1,299	270	21	247	697	509	45	1,514	51	20	6,089	2,352	538	14	28	10	107	.236	.305	.428	.733
6	Mariners	.420	2019	68	94	162	5,500	758	1,305	254	28	239	730	588	58	1,581	115	47	6,197	2,332	521	14	37	7	83	.237	.316	.424	.740
7	Pirates	.426	2019	69	93	162	5,657	758	1,497	315	38	163	722	425	63	1,213	64	29	6,226	2,377	516	47	34	41	119	.265	.321	.420	.741
8	Padres	.432	2019	70	92	162	5,391	682	1,281	224	24	219	652	504	55	1,581	70	37	6,018	2,210	467	37	31	19	120	.238	.308	.410	.718
9	Rockies	.438	2019	71	91	162	5,660	835	1,502	323	41	224	803	489	43	1,503	71	31	6,286	2,579	588	51	43	25	111	.265	.326	.456	.782
10	Angels	.444	2019	72	90	162	5,542	769	1,368	268	21	220	734	586	67	1,276	65	20	6,241	2,338	509	4	42	29	143	.247	.324	.422	.746
11	White Sox	.447	2019	72	89	161	5,529	708	1,443	260	20	182	676	378	66	1,549	63	28	6,041	2,289	462	36	32	13	114	.261	.314	.414	.728
12	Reds	.463	2019	75	87	162	5,450	701	1,328	235	27	227	679	492	89	1,436	80	38	6,094	2,298	489	30	33	25	111	.244	.315	.422	.736
13	Giants	.475	2019	77	85	162	5,579	678	1,332	300	26	167	655	475	50	1,435	47	28	6,170	2,185	493	24	42	26	111	.239	.302	.392	.694
14	Rangers	.481	2019	78	84	162	5,540	810	1,374	296	24	223	765	534	67	1,578	131	38	6,202	2,387	543	17	44	18	98	.248	.319	.431	.750
15	Phillies	.500	2019	81	81	162	5,571	774	1,369	311	26	215	742	562	57	1,453	78	18	6,258	2,377	552	34	34	47	97	.246	.319	.427	.746
16	Cubs	.519	2019	84	78	162	5,461	814	1,378	270	26	256	783	581	83	1,460	45	24	6,194	2,468	552	30	39	33	127	.252	.331	.452	.783
17	Red Sox	.519	2019	84	78	162	5,770	901	1,554	345	27	245	857	590	49	1,382	68	30	6,473	2,688	617	20	44	36	127	.269	.340	.466	.806
18	Diamondbacks	.525	2019	85	77	162	5,633	813	1,419	288	40	220	778	540	70	1,360	88	14	6,314	2,447	548	31	40	36	120	.252	.323	.434	.757
19	Mets	.531	2019	86	76	162	5,624	791	1,445	280	17	242	767	516	95	1,384	56	27	6,290	2,485	539	28	27	34	129	.257	.328	.442	.770
20	Brewers	.549	2019	89	73	162	5,542	769	1,366	279	17	250	744	629	72	1,563	101	25	6,301	2,429	546	20	38	42	120	.246	.329	.438	.767
21	Cardinals	.562	2019	91	71	162	5,449	764	1,336	246	24	210	714	561	76	1,420	116	29	6,165	2,260	480	40	39	15	110	.245	.322	.415	.737
22	Indians	.574	2019	93	69	162	5,425	769	1,354	286	18	223	731	563	50	1,332	103	35	6,124	2,345	527	40	46	30	110	.250	.323	.432	.756
23	Nationals	.574	2019	93	69	162	5,512	873	1,460	298	27	231	824	584	81	1,308	116	29	6,267	2,505	556	48	42	33	117	.265	.342	.454	.796
24	Rays	.593	2019	96	66	162	5,628	769	1,427	291	29	217	730	542	73	1,493	94	37	6,285	2,427	537	8	34	20	114	.254	.325	.431	.757
25	Braves	.599	2019	97	65	162	5,560	855	1,432	277	29	249	824	619	60	1,467	89	28	6,299	2,514	555	25	35	39	104	.258	.336	.452	.789