Between the 2020 and 2029 seasons, the Colorado Rockies had the worst record by a team, with a record of 300-471.

	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	Rockies	300-471	.389	771	300	471	26,036	3,314	6,423	1,319	158	791	3,179	2,171	259	7,005	354	123	28,762	10,431	2,268	102	194	79	571	.247	.309	.401	.710
2	Nationals	318-454	.412	772	318	454	25,801	3,253	6,473	1,288	106	732	3,091	2,264	360	5,829	571	193	28,725	10,169	2,126	119	181	90	605	.251	.318	.394	.712
3	Pirates	319-454	.413	773	319	454	25,630	2,982	5,935	1,140	130	706	2,839	2,435	256	6,885	449	150	28,609	9,453	1,976	103	185	77	483	.232	.303	.369	.671
4	Athletics	326-448	.421	774	326	448	25,625	3,097	5,897	1,188	93	853	2,956	2,426	349	6,806	476	111	28,674	9,830	2,134	92	182	57	544	.230	.303	.384	.687
5	White Sox	333-440	.431	773	333	440	26,013	3,164	6,311	1,230	62	790	3,025	2,139	283	6,596	358	106	28,681	10,035	2,082	85	161	49	586	.243	.305	.386	.691
6	Marlins	337-433	.438	770	337	433	25,812	3,029	6,254	1,164	102	732	2,883	2,099	281	6,723	539	157	28,459	9,818	1,998	99	168	81	569	.242	.304	.380	.685
7	Royals	340-433	.440	773	340	433	25,887	3,204	6,375	1,224	164	744	3,075	2,046	266	6,080	625	188	28,549	10,159	2,132	110	240	62	451	.246	.305	.392	.698
8	Angels	342-429	.444	771	342	429	25,823	3,282	6,148	1,147	110	953	3,138	2,314	331	6,967	410	153	28,719	10,374	2,210	87	164	108	521	.238	.307	.402	.709
9	Rangers	348-425	.450	773	348	425	25,982	3,337	6,215	1,149	92	900	3,180	2,311	258	6,611	516	144	28,778	10,248	2,141	47	180	66	458	.239	.306	.394	.700
10	Diamondbacks	355-417	.460	772	355	417	25,968	3,603	6,372	1,338	160	842	3,422	2,591	322	6,264	505	123	29,263	10,556	2,340	142	240	78	511	.245	.319	.407	.725
11	Reds	367-406	.475	773	367	406	25,649	3,456	6,140	1,242	107	908	3,306	2,525	430	6,924	577	179	28,864	10,320	2,257	89	171	53	524	.239	.316	.402	.718
12	Tigers	372-400	.482	772	372	400	25,801	3,167	6,125	1,138	163	754	3,045	2,217	249	7,015	339	108	28,512	9,851	2,055	49	196	45	499	.237	.302	.382	.684
13	Orioles	378-393	.490	771	378	393	26,036	3,445	6,389	1,305	117	931	3,303	2,273	311	6,640	424	130	28,886	10,721	2,353	70	196	59	467	.245	.311	.412	.723
14	Red Sox	384-390	.496	774	384	390	26,555	3,698	6,839	1,575	100	909	3,530	2,382	318	6,854	436	133	29,494	11,341	2,584	49	190	111	544	.258	.324	.427	.751
15	Cubs	385-387	.499	772	385	387	25,821	3,545	6,268	1,214	139	897	3,377	2,588	392	6,867	586	163	29,093	10,451	2,250	98	194	80	518	.243	.319	.405	.724
16	Twins	390-382	.505	772	390	382	25,973	3,484	6,339	1,295	92	978	3,321	2,483	396	6,775	290	92	29,089	10,752	2,365	42	195	69	569	.244	.317	.414	.731
17	Cardinals	403-367	.523	770	403	367	25,783	3,407	6,396	1,260	87	878	3,267	2,477	356	6,186	432	128	28,911	10,464	2,225	87	208	83	510	.248	.320	.406	.726
18	Mets	409-364	.529	773	409	364	25,760	3,471	6,382	1,215	101	932	3,327	2,478	493	6,318	412	103	28,996	10,595	2,248	87	178	94	565	.248	.324	.411	.735
19	Guardians	408-362	.530	770	408	362	25,730	3,279	6,247	1,243	111	763	3,107	2,281	335	5,880	599	151	28,647	10,001	2,117	87	214	137	516	.243	.310	.389	.699
20	Mariners	412-359	.534	771	412	359	25,630	3,354	5,918	1,137	64	934	3,220	2,685	450	7,226	517	143	28,991	9,985	2,135	49	177	62	485	.231	.313	.390	.702
21	Giants	413-360	.534	773	413	360	25,883	3,453	6,219	1,251	109	917	3,307	2,626	339	6,918	313	90	29,130	10,439	2,277	84	198	106	550	.240	.316	.403	.720
22	Blue Jays	413-359	.535	772	413	359	26,179	3,613	6,709	1,378	77	959	3,468	2,475	287	5,942	389	121	29,176	11,118	2,414	57	178	74	588	.256	.325	.425	.750
23	Padres	416-355	.540	771	416	355	25,850	3,529	6,422	1,273	91	878	3,372	2,669	282	5,967	520	147	29,130	10,511	2,242	130	199	112	559	.248	.323	.407	.730
24	Phillies	419-353	.543	772	419	353	26,066	3,663	6,570	1,281	125	971	3,510	2,553	300	6,603	564	122	29,205	11,014	2,377	92	194	117	513	.252	.324	.423	.746
25	Brewers	430-343	.556	773	430	343	25,728	3,507	6,117	1,184	94	889	3,347	2,799	333	6,904	623	151	29,104	10,156	2,167	73	171	101	544	.238	.319	.395	.713