highest run differential per game in an mlb season from 1910 to 1919

Between the 1910 and 1919 seasons, the Philadelphia Athletics had the highest run differential per game by a team in a season, with 1.7 in 1911.

	TEAM	DIFF/G	DIFF	G	SEASON	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	AVG	OBP	SLG	OPS
1	Athletics	1.7	259	152	1911	.669	101	50	5,199	861	1,540	237	93	35	692	424	65	523	226		5,920	2,068	365	232	.296	.357	.398	.754
2	Red Sox	1.66	255	154	1912	.691	105	47	5,071	799	1,404	269	84	29	654	565	45	586	185	182	5,872	1,928	382	191	.277	.355	.380	.735
3	Giants	1.64	252	154	1912	.682	103	48	5,067	823	1,451	231	89	47	716	514	69	497	319		5,802	2,001	367	152	.286	.360	.395	.755
4	Athletics	1.48	230	155	1910	.680	102	48	5,154	671	1,373	191	105	19	541	409	47	573	207		5,809	1,831	315	199	.266	.326	.355	.681
5	Athletics	1.39	220	158	1914	.651	99	53	5,126	749	1,392	165	80	29	627	545	52	517	231	188	5,941	1,804	274	218	.272	.348	.352	.699
6	Giants	1.39	214	154	1911	.647	99	54	5,006	756	1,399	225	103	41	651	530	85	506	347		5,781	1,953	369	160	.279	.358	.390	.748
7	Cubs	1.38	212	154	1910	.675	104	50	4,977	711	1,333	219	84	34	586	542	39	501	173		5,792	1,822	337	234	.268	.344	.366	.710
8	White Sox	1.34	208	155	1915	.604	93	61	4,914	717	1,269	163	102	25	598	583	71	575	233	183	5,838	1,711	290	270	.258	.345	.348	.694
9	Athletics	1.31	201	153	1913	.627	96	57	5,044	794	1,412	223	80	33	660	534	65	547	221		5,816	1,894	336	173	.280	.356	.375	.732
10	Reds	1.26	177	140	1919	.686	96	44	4,577	578	1,204	135	83	20	489	405	33	368	143		5,214	1,565	238	199	.263	.327	.342	.669
11	White Sox	1.24	194	156	1917	.649	100	54	5,057	656	1,281	152	81	18	535	522	47	479	219		5,861	1,649	251	235	.253	.329	.326	.655
12	Pirates	1.22	186	152	1912	.616	93	58	5,252	751	1,493	222	129	39	654	420	26	514	177		5,879	2,090	390	181	.284	.340	.398	.738
13	Pirates	1.2	186	155	1911	.552	85	69	5,137	744	1,345	206	106	49	633	525	52	583	160		5,907	1,910	361	193	.262	.336	.372	.708
14	Tigers	1.16	181	156	1915	.649	100	54	5,128	778	1,372	207	94	23	647	681	35	527	241	146	6,046	1,836	324	202	.268	.357	.358	.715
15	Giants	1.13	178	158	1917	.636	98	56	5,211	635	1,360	170	71	39	537	373	52	533	162		5,787	1,789	280	151	.261	.317	.343	.660
16	Cubs	1.11	145	131	1918	.651	84	45	4,325	538	1,147	164	53	21	438	358	27	343	159		4,900	1,480	238	190	.265	.325	.342	.667
17	Red Sox	1.09	169	155	1915	.669	101	50	5,024	668	1,308	202	76	14	574	527	49	476	118	117	5,865	1,704	292	265	.260	.336	.339	.676
18	Giants	1.08	169	156	1913	.664	101	51	5,218	684	1,427	226	70	31	580	444	63	501	296	195	5,837	1,886	327	112	.273	.338	.361	.699
19	Giants	0.96	135	140	1919	.621	87	53	4,664	605	1,254	204	64	40	505	328	37	407	157		5,157	1,706	308	128	.269	.322	.366	.688
20	White Sox	0.96	134	140	1919	.629	88	52	4,675	668	1,343	218	70	25	571	427	34	358	150		5,360	1,776	313	224	.287	.351	.380	.731
21	Cubs	0.96	150	157	1911	.597	92	62	5,130	757	1,335	218	101	54	626	585	42	617	214		5,959	1,917	373	202	.260	.341	.374	.714
22	Giants	0.94	146	155	1910	.591	91	63	5,061	715	1,391	204	83	31	623	562	57	489	282		5,873	1,854	318	193	.275	.354	.366	.720
23	Hoosiers	0.89	140	157	1914	.575	88	65	5,176	762	1,474	230	90	33	629	470	38	641	273		5,907	1,983	353	223	.285	.349	.383	.732
24	Phillies	0.82	126	153	1915	.592	90	62	4,916	589	1,216	202	39	58	486	460	34	600	121	113	5,591	1,670	299	181	.247	.316	.340	.656
25	Athletics	0.79	121	153	1912	.592	90	62	5,111	779	1,442	204	108	22	620	485	38	556	258	168	5,835	1,928	334	201	.282	.349	.377	.726