Since 1920, the Colorado Rockies have the worst record by a team, with a record of 2364-2818.

	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	2364-2818	.456	5,182	2,364	2,818	177,878	25,508	47,957	9,465	1,332	5,846	24,263	16,245	1,613	38,783	3,120	1,396	199,137	77,624	16,643	2,019	1,382	1,209	3,949	.270	.334	.436	.770
2	Marlins	2382-2792	.460	5,174	2,382	2,792	175,900	21,801	44,799	8,529	1,005	4,718	20,673	15,890	1,875	39,137	3,350	1,322	196,701	69,492	14,252	1,727	1,309	1,211	3,869	.255	.321	.395	.716
3	Phillies	7699-8870	.465	16,607	7,699	8,870	567,714	71,561	147,164	26,134	4,296	13,135	66,950	53,292	3,920	92,674	8,560	2,935	635,995	221,295	43,565	8,024	3,045	3,752	9,926	.259	.325	.390	.715
4	Padres	4217-4789	.468	9,008	4,217	4,789	304,496	36,548	75,940	13,450	1,772	7,370	34,376	28,979	2,171	60,306	6,074	2,624	341,673	115,044	22,592	3,748	2,279	2,699	6,573	.249	.317	.378	.695
5	Rangers	4899-5383	.476	10,288	4,899	5,383	351,200	46,294	90,502	16,150	1,902	10,322	43,749	33,253	2,746	66,121	6,037	2,869	393,030	141,422	28,374	2,972	2,859	2,267	7,861	.258	.324	.403	.727
6	Royals	4290-4703	.477	8,995	4,290	4,703	307,598	39,324	80,723	15,123	2,302	7,131	37,129	26,312	2,512	52,884	7,161	2,922	341,504	121,843	24,556	2,388	2,694	1,879	6,853	.262	.323	.396	.719
7	Mariners	3689-4022	.478	7,713	3,689	4,022	263,091	34,284	67,562	12,591	1,265	7,903	32,573	24,931	2,415	50,759	5,137	2,192	294,503	106,392	21,759	1,963	2,103	1,690	5,754	.257	.324	.404	.729
8	Athletics	7961-8603	.481	16,607	7,961	8,603	564,611	73,987	145,049	25,613	3,981	13,797	69,231	57,360	3,961	89,728	8,967	3,228	636,607	220,015	43,391	7,547	3,128	2,281	10,691	.257	.328	.390	.718
9	Nationals	4331-4665	.481	9,000	4,331	4,665	304,365	37,707	77,186	14,895	1,810	7,716	35,450	28,557	2,661	58,151	6,632	2,809	341,786	118,849	24,421	3,888	2,315	2,891	6,577	.254	.321	.390	.711
10	Orioles	7999-8558	.483	16,612	7,999	8,558	567,142	74,050	147,487	26,337	3,774	14,250	69,492	56,079	3,763	87,706	7,590	2,809	637,774	224,122	44,361	7,660	3,130	2,587	10,908	.260	.329	.395	.724
11	Mets	4899-5227	.484	10,134	4,899	5,227	342,866	41,892	85,672	15,312	1,825	8,750	39,466	32,799	2,919	65,915	5,998	2,747	385,240	130,884	25,887	4,001	2,655	3,159	7,537	.250	.318	.382	.700
12	Twins	8094-8477	.488	16,621	8,094	8,477	570,443	75,317	151,121	26,714	5,094	11,840	70,297	55,230	4,278	84,524	8,639	3,104	640,568	223,543	43,648	7,428	3,189	2,670	11,047	.265	.333	.392	.725
13	Diamondbacks	2167-2267	.489	4,434	2,167	2,267	151,251	20,296	38,521	7,894	1,095	4,759	19,348	14,724	1,482	33,571	2,585	930	170,060	62,882	13,748	1,354	1,249	1,105	3,158	.255	.324	.416	.740
14	Rays	2168-2264	.489	4,432	2,168	2,264	150,671	19,700	38,234	7,596	863	4,634	18,741	14,287	1,709	34,410	3,343	1,261	168,604	61,458	13,093	753	1,184	695	3,101	.254	.323	.408	.731
15	Brewers	4405-4595	.489	9,004	4,405	4,595	305,685	40,111	78,316	14,603	1,769	8,831	37,997	29,442	2,763	59,793	6,086	2,770	343,521	122,950	25,203	3,177	2,454	2,167	6,682	.256	.325	.402	.727
16	White Sox	8112-8447	.490	16,610	8,112	8,447	565,866	73,268	148,028	25,233	4,291	12,130	68,530	54,268	4,370	82,977	9,888	3,496	636,253	218,233	41,654	8,503	3,246	2,468	10,600	.262	.329	.386	.715
17	Cubs	8159-8418	.492	16,633	8,159	8,418	568,798	73,279	148,171	26,065	4,397	13,881	68,611	52,767	3,919	92,258	8,135	3,095	637,231	224,673	44,343	8,800	2,947	3,531	10,014	.260	.326	.395	.721
18	Pirates	8169-8394	.493	16,619	8,169	8,394	569,881	72,483	150,481	26,136	5,635	11,428	67,780	50,479	3,968	87,777	9,055	3,294	636,073	222,171	43,199	8,606	3,139	3,710	10,133	.264	.327	.390	.716
19	Angels	5093-5205	.495	10,301	5,093	5,205	349,413	44,557	89,283	15,434	1,822	9,375	41,937	32,685	2,891	63,909	6,113	3,120	391,331	136,486	26,631	3,547	2,795	2,500	7,947	.256	.322	.391	.713
20	Tigers	8290-8306	.500	16,650	8,290	8,306	570,329	77,460	150,809	26,233	4,846	14,345	72,564	57,679	3,702	87,930	7,715	2,949	642,532	229,769	45,424	7,678	3,144	2,455	10,776	.264	.334	.403	.737
21	Blue Jays	3855-3856	.500	7,714	3,855	3,856	264,282	35,737	68,775	13,744	1,503	8,407	33,909	24,510	2,472	49,724	4,621	1,979	294,945	110,746	23,654	1,526	2,155	1,418	6,026	.260	.326	.419	.745
22	Reds	8317-8262	.502	16,617	8,317	8,262	566,776	72,680	147,434	26,192	4,336	13,431	68,044	52,415	4,071	90,371	10,224	3,421	635,202	222,591	43,959	8,868	3,072	3,657	9,796	.260	.326	.393	.718
23	Braves	8317-8240	.502	16,607	8,317	8,240	567,015	71,932	147,065	24,980	3,767	13,847	67,398	52,422	3,558	87,246	7,703	3,083	634,844	221,120	42,594	8,943	2,906	3,665	10,451	.259	.324	.390	.714
24	Astros	5096-5040	.503	10,141	5,096	5,040	344,176	43,252	87,719	16,086	2,179	8,563	40,713	32,676	2,951	63,857	7,210	3,151	386,581	133,852	26,828	4,038	2,740	3,154	7,496	.255	.322	.389	.711
25	Red Sox	8496-8078	.513	16,612	8,496	8,078	571,756	79,364	153,467	29,783	4,127	14,250	74,602	59,429	3,975	86,626	6,962	2,577	645,698	234,254	48,160	7,168	3,370	3,011	11,624	.268	.340	.410	.749