worst run differential per game by a team from 1918 to 1948

Between the 1918 and 1948 seasons, the Philadelphia Phillies had the lowest run differential per game by a team, with -1.23.

	TEAM	DIFF/G	DIFF	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	GIDP	AVG	OBP	SLG	OPS
1	Phillies	-1.23	-5,782	4,720	.373	1,752	2,941	163,181	19,795	43,923	7,412	1,353	2,434	18,192	13,169	752	16,459	1,745	180,632	61,343	11,199	3,530	1,186	.269	.327	.376	.703
2	Braves	-0.6	-2,825	4,723	.438	2,057	2,639	162,486	18,763	42,838	6,706	1,634	1,622	17,119	13,049	746	14,860	1,869	180,343	57,678	9,962	4,062	1,111	.264	.321	.355	.676
3	Browns	-0.55	-2,586	4,741	.449	2,110	2,588	162,977	21,981	44,397	7,941	1,889	2,253	20,155	16,076	713	16,040	2,082	183,939	62,875	12,083	4,173	1,131	.272	.340	.386	.726
4	Athletics	-0.46	-2,153	4,723	.456	2,138	2,554	162,161	21,572	43,874	7,595	1,802	2,473	19,844	15,606	782	16,480	1,742	182,534	62,492	11,870	3,985	1,273	.271	.338	.385	.723
5	White Sox	-0.36	-1,709	4,718	.469	2,198	2,493	161,770	20,944	43,805	7,395	1,834	1,340	19,068	15,835	798	14,104	2,981	182,772	58,888	10,569	4,369	1,198	.271	.339	.364	.703
6	Red Sox	-0.29	-1,360	4,731	.468	2,199	2,500	161,887	21,512	43,600	8,059	1,804	1,959	19,723	16,413	771	15,417	2,138	183,248	61,144	11,822	4,177	1,248	.269	.339	.378	.717
7	Reds	-0.1	-451	4,738	.495	2,331	2,382	161,868	19,649	43,329	6,993	2,026	1,673	17,998	12,985	876	13,743	2,265	180,021	59,393	10,692	4,292	1,097	.268	.325	.367	.692
8	Senators	-0.06	-261	4,742	.500	2,353	2,351	164,348	22,153	45,364	7,610	2,359	1,347	20,160	16,052	954	14,232	3,012	185,404	61,733	11,316	4,050	1,115	.276	.344	.376	.720
9	Dodgers	0.07	314	4,750	.514	2,422	2,290	164,216	21,523	44,786	7,483	1,984	1,969	19,704	14,812	737	15,051	2,210	183,524	62,144	11,436	3,759	1,041	.273	.336	.378	.714
10	Tigers	0.23	1,117	4,761	.521	2,460	2,263	164,477	23,957	46,046	8,169	2,138	2,304	21,880	17,639	742	15,106	2,568	187,195	65,403	12,611	4,337	1,290	.280	.352	.398	.750
11	Indians	0.25	1,201	4,739	.526	2,478	2,232	163,529	22,999	45,871	8,864	2,067	2,121	21,164	16,013	821	14,691	2,089	184,708	65,232	13,052	4,345	1,138	.281	.348	.399	.747
12	Pirates	0.31	1,479	4,744	.533	2,510	2,195	164,212	22,276	45,816	7,320	2,559	1,779	20,401	14,626	733	13,578	2,685	183,451	63,591	11,658	3,880	1,186	.279	.341	.387	.728
13	Cubs	0.37	1,745	4,753	.536	2,530	2,193	163,621	21,897	45,022	7,739	1,715	2,335	20,095	14,865	891	15,900	2,376	183,710	63,196	11,789	4,333	1,103	.275	.339	.386	.725
14	Giants	0.53	2,515	4,726	.547	2,567	2,129	164,262	22,756	45,601	6,917	1,687	3,213	21,008	13,799	897	14,456	1,998	182,424	65,531	11,817	3,466	1,266	.278	.337	.399	.736
15	Cardinals	0.64	3,044	4,762	.564	2,660	2,060	166,308	23,370	46,753	8,463	2,158	2,535	21,498	14,142	779	15,338	2,372	185,246	67,137	13,156	4,017	1,025	.281	.340	.404	.744
16	Yankees	1.23	5,843	4,737	.611	2,875	1,830	163,638	26,059	45,902	7,673	2,220	3,915	24,179	18,719	876	17,057	2,189	186,958	69,760	13,808	3,725	1,156	.281	.357	.426	.784