highest run differential in a season by team with less than 70 wins

The Chicago White Stockings have the highest run differential by a team with fewer than 70 wins in a season, with a differential of 367 runs in 1876.

	TEAM	DIFF	W	SEASON	L	W%	G	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	367	52	1876	14	.788	66	2,748	624	926	131	32	8	441	70		45			2,818	1,145	171					.337		.417
2	Grays	257	59	1879	25	.702	85	3,392	612	1,003	142	55	12	405	91		172			3,483	1,291	209					.296		.381
3	White Stockings	251	55	1882	29	.655	84	3,225	604	892	209	54	15	451	142		262			3,367	1,254	278					.277		.389
4	Red Stockings	249	61	1883	37	.622	98	3,669	662	961	122	74	34		139		261			3,808	1,333	230					.262		.363
5	Red Stockings	242	68	1884	41	.624	112	4,090	754	1,037	109	96	36		154	52	409			4,296	1,446	241					.254	.289	.354	.643
6	Outlaw Reds	237	69	1884	36	.657	105	3,786	703	1,027	118	63	26		147		482			3,933	1,349	207					.271		.356
7	Red Stockings	221	55	1882	25	.688	80	3,007	489	795	95	47	5		102		204			3,109	999	147					.264		.332
8	White Stockings	221	67	1880	17	.798	86	3,135	538	876	164	39	4	378	104		217			3,239	1,130	207					.279		.360
9	Red Caps	214	54	1879	30	.643	84	3,217	562	883	138	51	20	393	90		222			3,307	1,183	209					.274		.368
10	Beaneaters	213	63	1883	35	.643	98	3,657	669	1,010	209	86	34	515	123		423			3,780	1,493	329					.276		.408
11	Grays	200	58	1883	40	.592	98	3,685	636	1,001	189	59	21	449	149		309			3,834	1,371	269					.272		.372
12	White Stockings	188	62	1884	50	.554	113	4,182	834	1,176	162	50	142	659	264		469			4,446	1,864	354					.281		.446
13	Athletics	173	66	1883	32	.673	98	3,713	720	974	149	50	20		199		268			3,912	1,283	219					.262		.346
14	White Stockings	170	56	1881	28	.667	84	3,114	550	918	157	36	12	400	140		224			3,254	1,183	205					.295		.380
15	Dark Blues	168	47	1876	21	.691	69	2,664	429	711	96	22	2	265	39		78			2,703	857	120					.267		.322
16	Brown Stockings	157	45	1876	19	.703	64	2,478	386	642	73	27	2	264	59		63			2,537	775	102					.259		.313
17	Red Caps	156	42	1877	18	.700	61	2,368	419	700	91	37	4	291	65		121			2,433	877	132					.296		.370
18	Athletics	154	61	1884	46	.570	108	3,959	700	1,057	167	100	26		153	40	434			4,152	1,502	293					.267	.301	.379	.680
19	Colonels	148	68	1884	40	.630	110	3,957	573	1,004	152	69	17		146	34	408			4,137	1,345	238					.254	.286	.340	.626
20	Browns	140	65	1883	33	.663	98	3,495	549	891	118	46	7		124		240			3,619	1,122	171					.255		.321
21	White Stockings	139	59	1883	39	.602	98	3,658	679	1,000	277	61	13	467	129		399			3,787	1,438	351					.273		.393
22	Dodgers	136	43	2020	17	.717	60	2,042	349	523	97	6	118	327	228	30	471	29	8	2,315	986	221	3	12	7	46	.256	.338	.483	.821
23	White Sox	135	67	1994	46	.593	113	3,942	633	1,133	175	39	121	602	497	20	568	77	27	4,556	1,749	335	51	46	47	91	.287	.366	.444	.810
24	Buckeyes	126	69	1884	39	.639	110	3,759	585	901	107	96	40		196	59	629			4,014	1,320	243					.240	.288	.351	.639
25	Orioles	121	63	1884	43	.594	108	3,845	636	896	133	84	32		211	64	545			4,120	1,293	249					.233	.284	.336	.621