Between the 1920 and 1929 seasons, the Philadelphia Phillies had the worst record by a team, with a record of 566-962.

	TEAM	REC	W%	G	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	AVG	OBP	SLG	OPS
1	Phillies	566-962	.370	1,534	566	962	53,550	7,078	15,074	2,560	506	944	6,460	4,211	304	5,248	616	59,474	21,478	4,010	1,409	.281	.337	.401	.738
2	Red Sox	595-938	.388	1,542	595	938	52,050	6,228	13,840	2,591	639	315	5,630	4,542	354	4,471	761	58,743	18,654	3,545	1,797	.266	.329	.358	.687
3	Braves	603-928	.394	1,537	603	928	52,846	6,267	14,513	2,124	680	352	5,583	3,964	281	4,164	763	58,830	19,053	3,156	1,739	.275	.329	.361	.689
4	White Sox	731-804	.476	1,542	731	804	52,439	7,133	14,750	2,630	689	367	6,426	5,132	359	4,257	1,236	60,067	19,859	3,686	2,137	.281	.349	.379	.728
5	Tigers	760-778	.494	1,553	760	778	53,537	8,260	15,803	2,773	873	527	7,414	5,615	314	4,076	968	61,575	21,903	4,173	2,109	.295	.365	.409	.775
6	Browns	762-769	.498	1,541	762	769	53,050	7,762	15,385	2,702	752	710	6,952	4,719	333	4,042	884	60,053	21,721	4,164	1,951	.290	.352	.409	.761
7	Robins	765-768	.499	1,541	765	768	53,197	6,910	14,838	2,292	750	585	6,275	4,236	252	4,153	725	59,260	20,385	3,627	1,575	.279	.335	.383	.718
8	Athletics	770-754	.505	1,533	770	754	52,482	7,340	14,796	2,634	663	757	6,650	4,644	360	4,820	674	59,342	21,027	4,054	1,856	.282	.344	.401	.745
9	Indians	786-749	.512	1,538	786	749	52,991	7,773	15,630	3,111	693	410	7,052	5,035	388	3,654	746	60,476	21,357	4,214	2,062	.295	.360	.403	.763
10	Senators	792-735	.519	1,541	792	735	52,661	7,411	14,995	2,467	849	387	6,616	5,010	435	4,227	1,170	60,077	20,321	3,703	1,971	.285	.352	.386	.738
11	Reds	798-735	.521	1,541	798	735	52,340	6,794	14,856	2,261	908	338	6,120	4,044	317	3,426	1,042	58,641	19,947	3,507	1,940	.284	.339	.381	.720
12	Cubs	807-728	.526	1,543	807	728	52,782	7,363	14,948	2,527	597	726	6,700	4,640	318	4,741	1,030	59,616	20,847	3,850	1,876	.283	.345	.395	.740
13	Cardinals	822-712	.536	1,541	822	712	53,742	7,870	15,649	2,739	830	848	7,204	4,488	294	4,561	885	60,210	22,592	4,417	1,686	.291	.349	.420	.769
14	Pirates	877-656	.572	1,543	877	656	53,754	7,836	15,817	2,426	1,042	486	7,090	4,219	290	3,615	1,268	59,986	21,785	3,954	1,723	.294	.349	.405	.754
15	Giants	890-639	.582	1,536	890	639	53,651	8,005	15,637	2,448	703	931	7,316	4,440	308	4,398	965	59,829	22,284	4,082	1,430	.291	.349	.415	.764
16	Yankees	933-602	.608	1,540	933	602	52,872	8,487	15,385	2,584	802	1,211	7,824	5,462	281	5,379	695	60,413	23,206	4,597	1,798	.291	.360	.439	.799