The Chicago Cubs have a run differential per game of 0.16 all-time.

Interpreted as:

cubs average run difference per game

	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	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	White Stockings	5.56	367	66	1876	.788	52	14	2,748	624	926	131	32	8	441	70		45			2,818	1,145	171					.337		.417
2	White Stockings	-0.15	-9	60	1877	.441	26	33	2,273	366	633	79	30	0	248	57		111			2,330	772	109					.278		.340
3	White Stockings	0.66	40	61	1878	.500	30	30	2,333	371	677	91	20	3	284	88		157			2,421	817	114					.290		.350
4	White Stockings	0.31	26	83	1879	.582	46	33	3,116	437	808	167	32	3	293	73		294			3,189	1,048	202					.259		.336
5	White Stockings	2.57	221	86	1880	.798	67	17	3,135	538	876	164	39	4	378	104		217			3,239	1,130	207					.279		.360
6	White Stockings	2.02	170	84	1881	.667	56	28	3,114	550	918	157	36	12	400	140		224			3,254	1,183	205					.295		.380
7	White Stockings	2.99	251	84	1882	.655	55	29	3,225	604	892	209	54	15	451	142		262			3,367	1,254	278					.277		.389
8	White Stockings	1.42	139	98	1883	.602	59	39	3,658	679	1,000	277	61	13	467	129		399			3,787	1,438	351					.273		.393
9	White Stockings	1.66	188	113	1884	.554	62	50	4,182	834	1,176	162	50	142	659	264		469			4,446	1,864	354					.281		.446
10	White Stockings	3.22	364	113	1885	.777	87	25	4,093	834	1,079	184	75	54	606	340		429			4,433	1,575	313					.264		.385
11	White Stockings	2.74	345	126	1886	.726	90	34	4,378	900	1,223	198	87	53	673	460		513	213		4,838	1,754	338					.279		.401
12	White Stockings	0.76	97	127	1887	.587	71	50	4,350	813	1,177	178	98	80	655	407	20	400	382		4,777	1,791	356					.271	.336	.412	.747
13	White Stockings	0.55	75	136	1888	.570	77	58	4,616	734	1,201	147	95	77	569	290	28	563	287		4,934	1,769	319					.260	.308	.383	.691
14	White Stockings	0.39	53	136	1889	.508	67	65	4,849	867	1,338	184	66	79	705	518	30	516	243		5,397	1,891	329					.276	.349	.390	.739
15	Colts	1.12	155	139	1890	.610	83	53	4,891	847	1,271	147	60	67	653	516	46	514	329		5,453	1,739	274					.260	.336	.356	.692
16	Colts	0.74	102	137	1891	.607	82	53	4,873	832	1,231	159	88	60	684	526	50	457	238		5,449	1,746	307					.253	.332	.358	.690
17	Colts	-0.68	-100	147	1892	.479	70	76	5,063	635	1,189	149	92	26	492	427	36	482	233		5,526	1,600	267					.235	.299	.316	.615
18	Colts	-0.35	-45	128	1893	.441	56	71	4,664	829	1,299	186	93	32	682	466	36	261	255		5,166	1,767	311					.279	.349	.379	.727
19	Colts	-0.18	-24	137	1894	.432	57	75	5,022	1,056	1,574	268	87	65	907	507	36	306	332		5,641	2,211	420	76				.313	.380	.440	.821
20	Colts	0.09	12	133	1895	.554	72	58	4,708	866	1,401	171	85	55	727	422	42	344	260		5,252	1,907	311	80				.298	.361	.405	.766
21	Colts	0.08	11	132	1896	.555	71	57	4,582	815	1,311	182	97	34	660	409	35	290	332		5,118	1,789	313	92				.286	.349	.390	.740
22	Colts	-0.45	-62	138	1897	.447	59	73	4,803	832	1,356	189	97	38	681	430	49	327	264		5,385	1,853	324	103				.282	.347	.386	.733
23	Orphans	0.98	149	152	1898	.567	85	65	5,219	828	1,431	175	84	18	656	476	71	387	220		5,879	1,828	277	113				.274	.343	.350	.693
24	Orphans	0.32	49	152	1899	.507	75	73	5,148	812	1,428	173	82	27	661	406	64	346	247		5,766	1,846	282	148				.277	.338	.359	.696
25	Orphans	-0.79	-116	146	1900	.464	65	75	4,907	635	1,276	202	51	33	519	343	65	375	189		5,445	1,679	286	130				.260	.317	.342	.659
	Total	0.16	3,611	22,333		.513	11,373	10,799	764,267	102,839	200,143	33,805	7,362	15,297	88,424	68,660	5,293	105,288	15,823	3,076	854,163	294,563	56,464	13,027	2,916	3,524	9,977	.262	.326	.385	.711