Between the 2020 and 2021 seasons, the Baltimore Orioles and the Arizona Diamondbacks were tied for the worst record, with a record of 77-145.

	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	Orioles	77-145	.347	222	77	145	7,446	933	1,819	368	22	272	896	615	92	1,968	73	37	8,223	3,047	662	29	41	17	137	.244	.308	.409	.717
2	Diamondbacks	77-145	.347	222	77	145	7,486	948	1,779	409	43	202	899	718	90	1,926	66	23	8,378	2,880	654	33	51	29	136	.238	.310	.385	.695
3	Pirates	80-142	.360	222	80	142	7,268	828	1,686	316	41	183	780	696	60	1,849	76	41	8,114	2,633	540	38	52	30	136	.232	.302	.362	.665
4	Rangers	82-140	.369	222	82	140	7,341	849	1,674	305	33	229	802	600	82	1,929	155	43	8,090	2,732	567	18	49	13	146	.228	.292	.372	.664
5	Nationals	91-131	.410	222	91	131	7,353	1,017	1,907	384	32	248	965	765	116	1,754	89	38	8,329	3,099	664	43	52	59	200	.259	.336	.421	.758
6	Marlins	98-124	.441	222	98	124	7,283	886	1,716	308	28	218	841	641	90	2,090	157	43	8,089	2,734	554	36	39	31	132	.236	.304	.375	.679
7	Royals	100-122	.450	222	100	122	7,415	934	1,834	348	36	231	884	593	73	1,785	173	53	8,182	2,947	615	39	62	11	128	.247	.307	.397	.704
8	Rockies	100-121	.452	221	100	121	7,431	1,014	1,866	359	50	245	973	652	68	1,899	118	32	8,261	3,060	654	55	55	36	139	.251	.315	.412	.727
9	Tigers	100-120	.455	220	100	120	7,269	946	1,762	314	49	241	917	637	63	2,081	107	31	8,051	2,897	604	18	64	9	155	.242	.306	.399	.705
10	Angels	103-119	.464	222	103	119	7,457	1,017	1,832	362	31	275	976	703	84	1,884	100	34	8,323	3,081	668	36	43	43	156	.246	.316	.413	.729
11	Mets	103-119	.464	222	103	119	7,233	922	1,794	334	25	262	882	692	139	1,890	74	36	8,135	2,964	621	35	36	33	176	.248	.324	.410	.734
12	Cubs	105-117	.473	222	105	117	7,224	970	1,677	307	34	284	920	731	144	2,164	110	47	8,183	2,904	625	41	43	26	175	.232	.313	.402	.715
13	Twins	109-113	.491	222	109	113	7,368	998	1,779	352	20	319	948	711	99	1,933	68	22	8,243	3,128	691	9	56	26	160	.241	.314	.425	.739
14	Phillies	110-112	.495	222	110	112	7,314	1,040	1,788	352	34	280	989	793	95	1,882	112	27	8,310	3,048	666	55	53	53	143	.244	.324	.417	.741
15	Reds	114-108	.514	222	114	108	7,265	1,029	1,742	371	16	312	993	792	138	1,959	65	33	8,282	3,081	699	35	52	26	173	.240	.324	.424	.748
16	Indians	115-107	.518	222	115	107	7,291	965	1,715	344	27	262	920	692	88	1,904	134	27	8,150	2,899	633	27	52	22	145	.235	.307	.398	.705
17	Red Sox	116-106	.523	222	116	106	7,578	1,121	1,986	448	30	300	1,061	699	82	1,931	71	30	8,424	3,394	778	14	51	30	151	.262	.329	.448	.777
18	Padres	116-106	.523	222	116	106	7,356	1,054	1,811	376	33	275	1,007	790	89	1,803	165	52	8,343	3,078	684	48	60	48	158	.246	.324	.418	.743
19	Mariners	117-105	.527	222	117	105	7,284	951	1,644	321	16	259	917	742	102	2,037	114	40	8,188	2,774	596	12	48	13	127	.226	.304	.381	.685
20	Cardinals	120-100	.545	220	120	100	7,103	946	1,713	334	29	249	909	683	119	1,818	107	32	8,009	2,852	612	44	60	35	137	.241	.316	.402	.717
21	Athletics	122-100	.550	222	122	100	7,303	1,017	1,714	362	30	270	962	783	137	1,873	114	23	8,305	2,946	662	19	63	22	143	.235	.318	.403	.721
22	Blue Jays	123-99	.554	222	123	99	7,499	1,148	1,971	389	17	350	1,104	699	63	1,726	114	26	8,328	3,444	756	18	49	18	151	.263	.329	.459	.788
23	Braves	123-98	.557	221	123	98	7,437	1,138	1,863	399	23	342	1,100	788	90	2,026	82	23	8,398	3,334	764	33	50	49	120	.251	.328	.448	.776
24	Astros	124-98	.559	222	124	98	7,585	1,142	1,974	402	26	290	1,102	761	87	1,662	75	27	8,515	3,298	718	15	67	30	175	.260	.332	.435	.767
25	Brewers	124-98	.559	222	124	98	7,282	985	1,680	338	23	269	938	807	123	2,047	97	32	8,282	2,871	630	25	45	34	155	.231	.316	.394	.710