Since 1900, the Baltimore Terrapins have the worst record by a team, with a record of 131-177.

	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	Terrapins	131-177	.425	314	131	177	10,180	1,195	2,609	418	120	68	1,016	957	83	1,184	280		11,579	3,471	606	359				.256	.325	.341	.666
2	Orioles	118-153	.435	276	118	153	9,349	1,476	2,666	381	218	57	1,231	786	106	797	396		10,459	3,654	656	218				.285	.347	.391	.738
3	Marlins	2328-2750	.458	5,078	2,328	2,750	172,607	21,356	43,967	8,368	984	4,621	20,250	15,605	1,837	38,428	3,265	1,301	193,051	68,166	13,973	1,722	1,280	1,203	3,814	.255	.321	.395	.716
4	Rockies	2333-2754	.459	5,087	2,333	2,754	174,692	25,127	47,169	9,318	1,317	5,744	23,895	16,030	1,586	37,892	3,065	1,373	195,674	76,353	16,379	2,005	1,361	1,209	3,877	.270	.335	.437	.772
5	Padres	4165-4746	.467	8,913	4,165	4,746	301,302	36,125	75,122	13,291	1,764	7,275	33,970	28,681	2,130	59,619	6,020	2,607	338,084	113,766	22,330	3,717	2,254	2,687	6,511	.249	.317	.378	.694
6	Phillies	9113-10302	.469	19,492	9,113	10,302	663,424	83,049	171,532	29,907	5,451	13,615	76,520	61,186	4,663	102,409	11,590	2,918	743,539	253,186	48,973	11,248	3,018	3,741	9,873	.259	.324	.382	.706
7	Orioles	9147-10123	.475	19,380	9,147	10,123	658,297	83,675	169,865	29,361	4,914	14,452	77,362	63,343	4,483	98,516	10,572	2,785	739,765	252,410	48,727	10,532	3,110	2,576	10,858	.258	.326	.383	.709
8	Rangers	4850-5338	.476	10,194	4,850	5,338	347,968	45,849	89,723	15,989	1,893	10,216	43,324	32,941	2,705	65,348	5,964	2,853	389,414	140,146	28,098	2,964	2,836	2,252	7,802	.258	.324	.403	.727
9	Royals	4242-4657	.477	8,901	4,242	4,657	304,460	38,904	79,960	14,942	2,292	7,018	36,718	26,038	2,465	52,258	7,103	2,903	338,012	120,540	24,252	2,374	2,675	1,870	6,792	.263	.323	.396	.719
10	Mariners	3632-3984	.477	7,618	3,632	3,984	259,881	33,809	66,770	12,442	1,260	7,752	32,121	24,626	2,359	49,914	5,041	2,174	290,893	104,988	21,454	1,949	2,078	1,666	5,693	.257	.324	.404	.728
11	Tip-Tops	147-159	.480	310	147	159	10,256	1,309	2,750	430	160	78	1,134	877	92	1,223	469		11,516	3,734	668	291				.268	.331	.364	.695
12	Twins	9295-9986	.482	19,390	9,295	9,986	661,463	85,264	173,465	29,786	6,335	12,040	78,502	62,426	5,174	94,629	12,022	3,083	742,423	252,041	48,161	10,190	3,170	2,664	10,987	.262	.329	.381	.710
13	Nationals	4295-4606	.483	8,905	4,295	4,606	301,158	37,299	76,401	14,748	1,792	7,620	35,059	28,298	2,638	57,313	6,557	2,784	338,263	117,593	24,160	3,880	2,289	2,882	6,515	.254	.321	.390	.711
14	Mets	4860-5172	.484	10,040	4,860	5,172	339,681	41,441	84,878	15,165	1,819	8,613	39,026	32,484	2,877	65,112	5,907	2,737	381,657	129,520	25,597	3,989	2,626	3,145	7,477	.250	.318	.381	.700
15	Athletics	9355-9903	.486	19,345	9,355	9,903	655,721	85,380	168,782	29,242	5,334	14,165	78,682	64,592	4,739	99,233	12,122	3,208	738,842	251,187	48,741	10,683	3,107	2,272	10,638	.257	.327	.383	.710
16	Packers	148-156	.487	307	148	156	10,064	1,191	2,575	426	143	67	1,040	767	82	1,091	315		11,264	3,488	636	351				.256	.314	.347	.660
17	Brewers	4344-4563	.488	8,911	4,344	4,563	302,467	39,604	77,430	14,430	1,757	8,727	37,522	29,118	2,718	59,094	6,008	2,737	339,889	121,555	24,914	3,166	2,420	2,160	6,618	.256	.324	.402	.726
18	Terriers	149-156	.489	313	149	156	10,223	1,199	2,598	392	146	49	1,026	1,079	70	1,150	308		11,783	3,429	587	411				.254	.329	.335	.665
19	Diamondbacks	2121-2219	.489	4,340	2,121	2,219	148,076	19,851	37,732	7,743	1,071	4,643	18,919	14,430	1,431	32,772	2,517	906	166,476	61,546	13,457	1,329	1,210	1,093	3,098	.255	.325	.416	.740
20	Rays	2127-2211	.490	4,338	2,127	2,211	147,472	19,287	37,417	7,461	850	4,523	18,347	14,024	1,684	33,588	3,245	1,232	165,082	60,147	12,834	741	1,161	688	3,035	.254	.323	.408	.731
21	Braves	9523-9884	.491	19,518	9,523	9,884	663,708	82,507	170,959	28,156	4,853	14,223	76,198	60,247	4,435	97,398	10,521	3,070	743,268	251,490	47,232	11,996	2,882	3,658	10,394	.258	.322	.379	.701
22	Rebels	150-153	.495	310	150	153	10,154	1,197	2,657	360	170	54	1,027	858	77	1,085	377		11,485	3,519	584	396				.262	.324	.347	.670
23	Angels	5054-5149	.495	10,206	5,054	5,149	346,262	44,169	88,579	15,314	1,812	9,245	41,563	32,370	2,835	62,931	6,056	3,105	387,784	135,252	26,371	3,540	2,777	2,485	7,887	.256	.322	.391	.713
24	Reds	9691-9765	.498	19,551	9,691	9,765	663,966	84,336	172,519	29,428	6,017	13,769	77,845	60,162	4,843	99,745	13,980	3,412	744,030	255,288	49,214	12,016	3,043	3,649	9,731	.260	.324	.384	.709
25	Blue Jays	3799-3818	.499	7,620	3,799	3,818	261,072	35,235	67,903	13,569	1,493	8,286	33,423	24,215	2,429	49,087	4,582	1,965	291,355	109,316	23,348	1,507	2,132	1,405	5,945	.260	.326	.419	.745