what is the record for biggest run differential per decade

The New York Yankees have the highest run differential by a team in a decade, with a differential of 2,577 runs in the 1930s.

	TEAM	DIFF	DECADE	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	Yankees	2,577	1930s	1,541	.636	970	554	54,172	9,695	15,596	2,715	750	1,546	9,070	7,025	281	5,587	822		62,323	24,449	5,011	845			99	.288	.373	.451	.824
2	Beaneaters	2,020	1890s	1,395	.631	869	508	49,644	9,231	14,245	1,980	698	513	7,709	4,863	530	2,928	2,429		55,727	19,160	3,191	690				.287	.357	.386	.743
3	White Stockings	1,903	1880s	1,103	.636	691	395	39,600	7,353	10,880	1,860	661	529	3,208	2,794	78		1,125		42,472	15,649	3,050					.275	.324	.395	.719
4	Yankees	1,895	1950s	1,541	.621	955	582	52,686	7,832	14,139	2,112	528	1,527	7,333	5,936	314	6,693	487	320	60,024	21,888	4,167	833	255	230	1,089	.268	.344	.415	.760
5	Pirates	1,730	1900s	1,494	.636	938	538	50,241	6,986	13,445	1,795	925	225	5,698	4,014	476	4,493	1,948		56,229	17,765	2,945	1,498				.268	.328	.354	.681
6	Yankees	1,691	1920s	1,540	.608	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
7	Cardinals	1,690	1940s	1,560	.623	960	580	54,333	7,443	14,767	2,610	594	886	6,894	5,358	240	5,107	474		61,045	21,223	4,090	1,114			1,033	.272	.340	.391	.730
8	Yankees	1,672	1940s	1,544	.604	929	609	52,791	7,631	13,957	2,236	634	1,208	7,145	6,208	291	5,781	537		60,117	21,085	4,078	827			1,198	.264	.345	.399	.744
9	Browns	1,665	1880s	955	.657	618	323	34,035	6,104	8,936	1,315	478	199	3,301	2,387	172		1,721		36,734	11,804	1,992					.263	.317	.347	.664
10	Orioles	1,512	1890s	1,294	.579	730	530	45,361	8,530	13,521	1,814	865	218	6,940	4,345	992	2,952	2,993		51,317	17,719	2,897	619				.298	.372	.391	.763
11	Giants	1,401	1920s	1,536	.582	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
12	Giants	1,303	1910s	1,507	.598	889	597	49,907	6,549	13,343	2,015	734	338	5,579	4,140	545	4,882	2,293		56,004	17,840	3,087	1,412				.267	.330	.357	.688
13	Yankees	1,273	2000s	1,618	.597	965	651	56,090	8,834	15,502	3,008	201	2,167	8,489	6,265	711	10,299	1,117	374	63,805	25,413	5,376	296	443	409	1,409	.276	.354	.453	.807
14	Braves	1,245	1990s	1,554	.595	925	629	52,825	7,297	13,825	2,526	292	1,698	6,896	5,269	376	9,603	1,066	523	59,623	22,029	4,516	719	434	456	1,135	.262	.331	.417	.748
15	Dodgers	1,244	2020s	870	.633	551	319	29,540	4,599	7,501	1,521	128	1,293	4,421	3,274	395	7,301	521	116	33,559	13,157	2,942	66	284	160	532	.254	.334	.445	.779
16	Cubs	1,202	1930s	1,544	.579	889	646	53,966	7,747	15,240	2,796	597	913	7,237	4,868	296	5,353	593		60,356	21,969	4,306	1,226			124	.282	.345	.407	.752
17	Red Sox	1,198	2000s	1,619	.568	920	699	56,337	8,647	15,546	3,430	289	1,944	8,246	6,274	623	10,556	763	291	64,020	25,386	5,663	239	547	461	1,336	.276	.352	.451	.802
18	Red Stockings	1,189	1880s	957	.581	549	396	34,173	5,964	8,817	1,087	669	267	3,062	2,101	176		1,643		36,618	12,043	2,023					.258	.308	.352	.660
19	Reds	1,178	1970s	1,611	.592	953	657	54,911	7,525	14,406	2,527	391	1,439	7,004	6,145	287	9,222	1,392	514	62,501	22,032	4,357	679	479	706	1,182	.262	.337	.401	.738
20	Orioles	1,176	1970s	1,600	.590	944	656	54,166	6,902	13,790	2,242	283	1,398	6,450	5,872	365	8,626	1,037	517	61,460	20,792	3,923	605	452	525	1,244	.255	.329	.384	.713
21	Dodgers	1,149	1950s	1,549	.592	913	630	52,734	7,850	14,002	2,207	444	1,772	7,343	6,121	320	7,336	753	430	60,266	22,413	4,423	828	263	282	1,345	.266	.344	.425	.769
22	Indians	1,142	1950s	1,545	.588	904	634	52,304	7,312	13,571	2,049	334	1,537	6,899	6,089	323	7,156	392	324	59,806	20,899	3,920	805	285	159	1,196	.259	.339	.400	.738
23	Pirates	1,128	1920s	1,543	.572	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
24	Cubs	1,114	1900s	1,502	.598	879	592	49,666	6,247	12,627	1,735	593	172	4,951	3,904	484	4,945	2,292		55,799	16,064	2,500	1,745				.254	.315	.323	.638
25	Yankees	1,088	2010s	1,620	.569	921	699	55,272	7,909	14,174	2,658	230	2,168	7,568	5,611	602	12,456	913	272	62,211	23,796	5,056	248	478	253	1,203	.256	.329	.431	.760