Between the 1921 and 1951 seasons, the Philadelphia Phillies had the worst record by a team, with a record of 1833-2909.

	TEAM	REC	W%	G	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	GIDP	AVG	OBP	SLG	OPS
1	Phillies	1833-2909	.387	4,769	1,833	2,909	165,044	20,322	44,498	7,473	1,378	2,658	18,801	13,785	739	16,823	1,557	28	182,940	62,701	11,509	3,372	1,557	.270	.329	.380	.709
2	Browns	2072-2674	.437	4,787	2,072	2,674	164,421	22,184	44,331	7,995	1,812	2,476	20,453	16,706	662	17,053	1,860	38	185,650	63,378	12,283	3,861	1,558	.270	.339	.385	.725
3	Braves	2119-2624	.447	4,774	2,119	2,624	164,352	19,565	43,437	7,015	1,533	1,943	17,974	13,823	724	15,342	1,732	34	182,737	59,347	10,491	3,838	1,516	.264	.324	.361	.685
4	White Sox	2161-2574	.456	4,765	2,161	2,574	163,475	21,012	43,992	7,386	1,788	1,492	19,279	16,404	791	14,723	2,783	70	184,759	59,430	10,666	4,089	1,611	.269	.339	.364	.702
5	Athletics	2205-2527	.466	4,759	2,205	2,527	163,502	22,275	44,427	7,757	1,783	2,656	20,619	16,707	763	16,403	1,631	36	184,790	63,718	12,196	3,818	1,721	.272	.342	.390	.732
6	Red Sox	2263-2482	.477	4,776	2,263	2,482	164,382	22,552	44,618	8,295	1,759	2,308	20,840	17,318	714	15,938	1,917	21	186,190	63,355	12,362	3,776	1,739	.271	.343	.385	.729
7	Reds	2281-2472	.480	4,779	2,281	2,472	163,857	19,742	43,606	7,260	1,878	1,893	18,249	13,242	812	14,338	1,948	40	181,860	60,301	11,031	3,949	1,473	.266	.324	.368	.692
8	Senators	2336-2410	.492	4,780	2,336	2,410	165,681	22,381	45,551	7,684	2,305	1,494	20,513	16,650	905	14,435	2,706	38	186,992	62,327	11,483	3,756	1,526	.275	.344	.376	.721
9	Cubs	2483-2278	.522	4,791	2,483	2,278	165,349	22,136	45,312	7,822	1,684	2,620	20,461	15,133	855	16,764	2,114	30	185,290	64,362	12,126	3,953	1,485	.274	.338	.389	.727
10	Dodgers	2486-2271	.523	4,797	2,486	2,271	166,017	22,559	45,418	7,722	1,887	2,436	20,767	15,831	758	15,780	2,198	70	186,170	64,222	12,045	3,564	1,454	.274	.340	.387	.726
11	Pirates	2487-2261	.524	4,787	2,487	2,261	166,223	22,859	46,452	7,557	2,471	2,132	21,075	15,206	730	14,369	2,228	27	185,758	65,347	12,160	3,599	1,554	.279	.342	.393	.736
12	Indians	2497-2255	.525	4,781	2,497	2,255	165,329	23,181	46,065	8,757	1,972	2,469	21,493	16,349	793	15,351	1,864	35	186,433	66,173	13,198	3,962	1,546	.279	.346	.400	.747
13	Tigers	2519-2246	.529	4,804	2,519	2,246	166,314	24,484	46,594	8,309	2,062	2,544	22,501	18,310	735	15,415	2,347	34	189,430	66,659	12,915	4,071	1,754	.280	.354	.401	.755
14	Giants	2580-2163	.544	4,774	2,580	2,163	166,031	23,241	45,970	6,961	1,649	3,573	21,621	14,679	906	14,915	1,720	34	184,930	66,948	12,183	3,314	1,611	.277	.339	.403	.742
15	Cardinals	2735-2026	.574	4,803	2,735	2,026	167,851	23,920	47,193	8,681	2,107	2,757	22,107	14,880	790	15,553	2,049	30	187,316	68,359	13,545	3,795	1,406	.281	.343	.407	.750
16	Yankees	2933-1818	.617	4,780	2,933	1,818	165,216	26,688	46,397	7,709	2,233	4,149	24,889	19,452	898	17,129	2,109	39	189,040	71,019	14,091	3,474	1,557	.281	.360	.430	.790