worst run differential per game by a team from 1974 to 1983

Between the 1974 and 1983 seasons, the Seattle Mariners had the lowest run differential per game by a team, with -1.

	TEAM	DIFF/G	DIFF	G	W%	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	Mariners	-1	-1,081	1,081	.395	426	653	36,593	4,194	9,235	1,562	234	796	3,956	3,191	177	5,122	850	440	40,697	13,653	2,592	439	297	222	816	.252	.313	.373	.686
2	Blue Jays	-0.84	-907	1,076	.406	437	639	36,471	4,207	9,275	1,616	293	753	3,913	3,052	195	5,055	550	445	40,397	13,736	2,662	414	265	227	826	.254	.313	.377	.690
3	Padres	-0.55	-858	1,569	.447	701	866	53,020	5,850	13,144	2,062	394	802	5,391	5,015	250	8,060	1,313	605	59,677	18,400	3,258	997	395	668	1,056	.248	.314	.347	.661
4	Cubs	-0.5	-775	1,564	.450	702	859	53,457	6,415	13,767	2,311	387	1,034	5,960	5,078	257	8,057	847	572	60,022	19,954	3,732	761	469	602	1,159	.258	.322	.373	.696
5	Mets	-0.41	-642	1,564	.431	673	888	52,829	5,763	13,050	2,060	336	874	5,335	4,932	277	8,349	1,013	607	59,155	18,404	3,270	698	419	537	1,226	.247	.312	.348	.661
6	Braves	-0.32	-507	1,562	.467	729	831	52,662	6,321	13,251	1,987	293	1,181	5,889	5,171	212	8,065	939	567	59,221	19,367	3,461	793	383	555	1,219	.252	.319	.368	.687
7	Indians	-0.28	-436	1,548	.476	737	811	52,534	6,596	13,839	2,086	326	1,036	6,147	5,328	277	6,546	1,051	700	59,316	19,685	3,448	671	506	370	1,367	.263	.332	.375	.706
8	Giants	-0.23	-362	1,567	.484	758	809	52,639	6,206	13,151	2,112	368	1,056	5,749	5,493	208	8,291	1,070	581	59,572	19,167	3,536	799	433	601	1,169	.250	.321	.364	.685
9	Athletics	-0.2	-314	1,565	.479	750	815	52,262	6,386	12,941	1,976	319	1,232	5,932	5,154	301	8,292	1,852	887	58,858	19,251	3,527	689	452	386	1,076	.248	.316	.368	.685
10	Twins	-0.18	-288	1,564	.467	730	832	53,776	6,851	14,399	2,328	436	1,065	6,419	4,978	319	7,271	749	469	60,276	20,794	3,829	730	473	408	1,322	.268	.331	.387	.717
11	Tigers	-0.1	-158	1,563	.491	767	795	53,385	6,772	14,044	2,145	401	1,357	6,365	4,886	272	7,641	885	548	59,497	21,062	3,903	484	470	308	1,290	.263	.325	.395	.720
12	White Sox	-0.09	-142	1,560	.491	763	792	53,206	6,782	14,150	2,334	392	1,187	6,353	4,804	358	7,298	962	540	59,451	20,829	3,913	575	508	388	1,263	.266	.328	.391	.719
13	Angels	-0.06	-101	1,566	.475	744	821	52,898	6,738	13,692	2,188	302	1,159	6,259	5,360	381	7,884	1,041	666	59,926	19,961	3,649	800	487	391	1,265	.259	.329	.377	.706
14	Astros	0	1	1,569	.501	785	783	53,051	6,053	13,595	2,219	512	784	5,633	4,766	225	7,614	1,525	683	59,294	19,190	3,515	815	437	631	1,051	.256	.318	.362	.680
15	Expos	0.01	10	1,564	.495	773	790	53,183	6,304	13,525	2,440	383	1,110	5,863	4,897	268	8,167	1,276	521	59,574	20,061	3,933	791	435	655	1,134	.254	.318	.377	.695
16	Rangers	0.06	97	1,564	.498	777	783	53,379	6,666	14,069	2,239	284	1,114	6,247	5,034	301	7,174	1,050	609	59,882	20,218	3,637	702	466	419	1,286	.264	.328	.379	.707
17	Cardinals	0.07	115	1,562	.502	782	777	53,559	6,602	14,298	2,451	521	803	6,139	4,798	260	7,595	1,370	668	59,803	20,200	3,775	708	478	656	1,214	.267	.328	.377	.705
18	Brewers	0.19	291	1,566	.508	795	770	53,584	7,101	14,182	2,480	400	1,484	6,730	4,790	251	7,737	868	566	59,739	21,914	4,364	638	476	396	1,111	.265	.325	.409	.734
19	Royals	0.38	586	1,562	.546	853	708	53,835	7,192	14,686	2,647	572	1,049	6,751	4,821	305	6,707	1,712	695	59,994	21,624	4,268	482	551	432	1,152	.273	.333	.402	.735
20	Pirates	0.39	608	1,560	.546	851	707	53,762	6,820	14,368	2,458	449	1,184	6,350	4,526	300	8,063	1,503	686	59,766	21,276	4,091	693	485	707	1,103	.267	.325	.396	.721
21	Red Sox	0.39	611	1,560	.550	858	702	53,702	7,457	14,696	2,638	380	1,486	7,054	5,192	296	7,566	648	471	60,221	22,552	4,504	525	506	412	1,408	.274	.338	.420	.758
22	Reds	0.43	667	1,566	.555	868	696	53,176	7,055	13,953	2,535	378	1,215	6,570	5,885	244	8,698	1,429	537	60,486	20,889	4,128	700	481	650	1,176	.262	.336	.393	.729
23	Phillies	0.43	674	1,567	.557	871	694	53,241	6,998	14,138	2,430	427	1,191	6,528	5,338	320	7,888	1,297	646	60,108	20,995	4,048	697	512	685	1,148	.266	.333	.394	.728
24	Orioles	0.55	855	1,556	.585	909	646	52,957	6,902	13,733	2,365	250	1,433	6,480	5,554	280	7,959	925	478	59,753	20,897	4,048	504	458	453	1,321	.259	.330	.395	.725
25	Yankees	0.63	987	1,559	.571	890	669	53,342	7,102	14,210	2,283	363	1,393	6,700	5,175	270	6,560	860	457	59,761	21,398	4,039	469	505	440	1,284	.266	.331	.401	.733