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	2325-2741	.459	5,066	2,325	2,741	172,211	21,321	43,877	8,346	984	4,615	20,215	15,573	1,835	38,336	3,258	1,296	192,616	68,036	13,945	1,719	1,278	1,203	3,807	.255	.321	.395	.716
4	Rockies	2330-2746	.459	5,076	2,330	2,746	174,321	25,088	47,080	9,296	1,310	5,732	23,857	16,005	1,582	37,801	3,060	1,370	195,271	76,192	16,338	2,005	1,358	1,209	3,868	.270	.335	.437	.772
5	Padres	4158-4740	.467	8,900	4,158	4,740	300,876	36,079	75,028	13,275	1,761	7,270	33,926	28,638	2,126	59,524	6,009	2,605	337,602	113,635	22,306	3,712	2,250	2,687	6,504	.249	.317	.378	.695
6	Phillies	9110-10293	.470	19,480	9,110	10,293	663,023	83,007	171,441	29,890	5,449	13,604	76,480	61,160	4,660	102,320	11,581	2,916	743,107	253,041	48,943	11,246	3,018	3,739	9,867	.259	.324	.382	.706
7	Orioles	9139-10120	.475	19,369	9,139	10,120	657,938	83,629	169,773	29,343	4,912	14,439	77,321	63,312	4,479	98,426	10,560	2,785	739,365	252,257	48,694	10,532	3,104	2,576	10,848	.258	.326	.383	.709
8	Rangers	4845-5332	.476	10,183	4,845	5,332	347,592	45,795	89,630	15,972	1,892	10,204	43,271	32,912	2,702	65,253	5,953	2,849	389,002	139,998	28,068	2,963	2,833	2,251	7,796	.258	.324	.403	.727
9	Royals	4238-4650	.477	8,890	4,238	4,650	304,072	38,861	79,850	14,928	2,291	7,005	36,676	26,013	2,464	52,186	7,097	2,900	337,594	120,375	24,224	2,372	2,673	1,868	6,782	.263	.323	.396	.719
10	Mariners	3629-3975	.477	7,606	3,629	3,975	259,453	33,768	66,659	12,425	1,259	7,738	32,080	24,600	2,357	49,805	5,029	2,172	290,433	104,816	21,422	1,947	2,076	1,664	5,684	.257	.325	.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	9289-9980	.482	19,378	9,289	9,980	661,034	85,194	173,346	29,764	6,334	12,022	78,434	62,375	5,166	94,533	12,017	3,081	741,932	251,844	48,120	10,190	3,167	2,664	10,978	.262	.329	.381	.710
13	Nationals	4291-4599	.483	8,894	4,291	4,599	300,803	37,264	76,323	14,729	1,790	7,613	35,024	28,276	2,630	57,237	6,554	2,779	337,877	117,471	24,132	3,880	2,288	2,882	6,508	.254	.321	.391	.712
14	Mets	4850-5170	.484	10,028	4,850	5,170	339,263	41,369	84,768	15,146	1,818	8,584	38,954	32,443	2,868	65,022	5,893	2,737	381,187	129,302	25,548	3,989	2,624	3,143	7,465	.250	.318	.381	.699
15	Athletics	9352-9893	.486	19,332	9,352	9,893	655,276	85,316	168,667	29,213	5,333	14,150	78,618	64,543	4,734	99,109	12,111	3,207	738,339	250,996	48,696	10,682	3,104	2,272	10,629	.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	4337-4558	.488	8,899	4,337	4,558	302,065	39,551	77,331	14,414	1,756	8,713	37,471	29,077	2,714	58,991	5,996	2,734	339,438	121,396	24,883	3,165	2,417	2,160	6,612	.256	.325	.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	2114-2214	.488	4,328	2,114	2,214	147,675	19,784	37,628	7,727	1,068	4,622	18,852	14,381	1,428	32,678	2,513	902	166,017	61,357	13,417	1,325	1,208	1,091	3,086	.255	.324	.415	.740
20	Rays	2120-2206	.490	4,326	2,120	2,206	147,073	19,225	37,322	7,439	850	4,506	18,290	13,989	1,679	33,476	3,230	1,228	164,637	59,979	12,795	738	1,158	685	3,030	.254	.323	.408	.731
21	Braves	9520-9875	.491	19,506	9,520	9,875	663,299	82,463	170,867	28,140	4,853	14,209	76,155	60,208	4,429	97,283	10,518	3,069	742,812	251,340	47,202	11,995	2,881	3,655	10,388	.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	5046-5145	.495	10,194	5,046	5,145	345,859	44,108	88,483	15,300	1,811	9,228	41,505	32,337	2,827	62,824	6,049	3,101	387,336	135,089	26,339	3,539	2,774	2,484	7,879	.256	.322	.391	.713
24	Reds	9684-9760	.498	19,539	9,684	9,760	663,579	84,289	172,431	29,414	6,017	13,752	77,798	60,121	4,841	99,645	13,975	3,410	743,594	255,135	49,183	12,013	3,040	3,647	9,722	.260	.324	.384	.709
25	Blue Jays	3789-3816	.498	7,608	3,789	3,816	260,654	35,160	67,780	13,543	1,492	8,267	33,350	24,181	2,427	49,026	4,578	1,963	290,894	109,108	23,302	1,504	2,128	1,403	5,934	.260	.326	.419	.745