Since 1901, 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	2331-2751	.459	5,082	2,331	2,751	172,752	21,376	44,012	8,372	985	4,625	20,269	15,615	1,839	38,455	3,266	1,302	193,212	68,229	13,982	1,722	1,284	1,203	3,816	.255	.321	.395	.716
4	Rockies	2336-2756	.459	5,092	2,336	2,756	174,866	25,156	47,214	9,325	1,319	5,750	23,923	16,047	1,590	37,950	3,067	1,373	195,870	76,427	16,394	2,005	1,362	1,209	3,883	.270	.335	.437	.772
5	Padres	4166-4749	.467	8,917	4,166	4,749	301,440	36,144	75,158	13,301	1,764	7,279	33,988	28,692	2,130	59,648	6,021	2,608	338,235	113,824	22,344	3,717	2,256	2,688	6,515	.249	.317	.378	.694
6	Phillies	9042-10239	.469	19,355	9,042	10,239	658,590	82,266	170,135	29,729	5,370	13,592	75,853	60,763	4,594	102,060	11,386	2,919	738,101	251,380	48,691	11,135	3,019	3,742	9,875	.258	.324	.382	.706
7	Orioles	9150-10125	.475	19,385	9,150	10,125	658,453	83,696	169,902	29,367	4,914	14,461	77,382	63,356	4,484	98,561	10,573	2,786	739,935	252,480	48,742	10,532	3,110	2,578	10,865	.258	.326	.383	.709
8	Rangers	4854-5338	.476	10,198	4,854	5,338	348,113	45,875	89,766	16,002	1,893	10,223	43,347	32,967	2,708	65,373	5,965	2,853	389,590	140,223	28,118	2,964	2,838	2,254	7,805	.258	.324	.403	.727
9	Royals	4242-4661	.476	8,905	4,242	4,661	304,587	38,910	79,985	14,947	2,294	7,018	36,724	26,045	2,467	52,284	7,106	2,904	338,150	120,574	24,259	2,375	2,676	1,870	6,794	.263	.323	.396	.719
10	Mariners	3635-3985	.477	7,622	3,635	3,985	260,010	33,826	66,802	12,450	1,260	7,755	32,137	24,645	2,363	49,946	5,048	2,175	291,047	105,037	21,465	1,950	2,079	1,668	5,694	.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	9295-9990	.482	19,394	9,295	9,990	661,598	85,273	173,492	29,790	6,335	12,045	78,511	62,432	5,176	94,675	12,024	3,083	742,566	252,087	48,170	10,190	3,170	2,664	10,990	.262	.329	.381	.710
13	Nationals	4295-4611	.482	8,910	4,295	4,611	301,326	37,319	76,441	14,754	1,792	7,623	35,077	28,317	2,641	57,343	6,560	2,785	338,454	117,648	24,169	3,880	2,290	2,883	6,521	.254	.321	.390	.711
14	Mets	4861-5175	.484	10,044	4,861	5,175	339,814	41,454	84,908	15,169	1,819	8,617	39,039	32,504	2,880	65,144	5,910	2,738	381,813	129,566	25,605	3,989	2,626	3,145	7,482	.250	.318	.381	.700
15	Athletics	9359-9903	.486	19,349	9,359	9,903	655,855	85,396	168,814	29,246	5,334	14,173	78,698	64,603	4,741	99,265	12,125	3,209	738,989	251,247	48,753	10,683	3,107	2,272	10,640	.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	4347-4564	.488	8,915	4,347	4,564	302,594	39,621	77,465	14,436	1,759	8,730	37,538	29,126	2,720	59,130	6,011	2,738	340,029	121,609	24,925	3,167	2,422	2,160	6,621	.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	2123-2220	.489	4,343	2,123	2,220	148,172	19,866	37,751	7,744	1,072	4,647	18,934	14,439	1,432	32,807	2,518	906	166,583	61,580	13,463	1,329	1,211	1,093	3,098	.255	.324	.416	.740
20	Rays	2131-2211	.491	4,342	2,131	2,211	147,616	19,318	37,465	7,469	851	4,529	18,376	14,041	1,687	33,621	3,246	1,235	165,248	60,223	12,849	743	1,161	688	3,039	.254	.323	.408	.731
21	Braves	9459-9813	.491	19,379	9,459	9,813	658,853	81,746	169,584	27,995	4,785	14,178	75,538	59,860	4,390	97,152	10,340	3,070	737,877	249,683	46,958	11,889	2,885	3,658	10,398	.257	.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	5055-5152	.495	10,210	5,055	5,152	346,400	44,177	88,607	15,317	1,813	9,249	41,570	32,380	2,837	62,971	6,059	3,106	387,934	135,297	26,379	3,540	2,777	2,486	7,890	.256	.322	.391	.713
24	Reds	9631-9689	.498	19,410	9,631	9,689	659,053	83,657	171,219	29,256	5,934	13,743	77,277	59,840	4,793	99,359	13,797	3,413	738,640	253,572	48,933	11,908	3,046	3,649	9,734	.260	.325	.385	.709
25	Blue Jays	3799-3821	.499	7,623	3,799	3,821	261,169	35,241	67,922	13,571	1,493	8,286	33,428	24,220	2,430	49,111	4,582	1,965	291,459	109,337	23,350	1,507	2,133	1,405	5,947	.260	.326	.419	.745