worst run differential per game by a team from 1886 to 1889

Between the 1886 and 1889 seasons, the Kansas City Cowboys had the lowest run differential per game by a team, with -3.

	TEAM	DIFF/G	DIFF	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	AVG	OBP	SLG	OPS
1	Cowboys	-3	-378	126	.248	30	91	4,236	494	967	177	48	19	370	269		608	96	4,505	1,297	244	.228		.306
2	Nationals	-2.1	-1,080	514	.326	163	337	17,337	2,160	3,944	533	220	125	1,647	1,246	127		1,040	18,710	5,292	878	.227	.284	.305	.589
3	Cowboys	-1.83	-496	271	.364	98	171	9,535	1,431	2,256	304	137	37	1,052	718	123		729	10,376	2,945	478	.237	.298	.309	.607
4	Metropolitans	-1.73	-477	275	.362	97	171	9,504	1,382	2,244	301	138	39	974	769	50		425	10,356	2,938	478	.236	.299	.309	.608
5	Spiders	-1.57	-635	404	.379	150	246	13,925	2,036	3,413	437	195	51	1,560	1,119	163		945	15,207	4,393	683	.245	.309	.315	.624
6	Hoosiers	-1.36	-540	398	.370	146	249	13,870	2,050	3,536	570	138	129	1,577	913	131		936	14,914	4,769	837	.255	.307	.344	.651
7	Maroons	-1.31	-165	126	.352	43	79	4,250	547	1,001	183	46	30	406	235		656	156	4,485	1,366	259	.236		.321
8	Solons	-1.04	-145	140	.435	60	78	4,816	779	1,247	171	95	36	617	507	42	609	304	5,365	1,716	302	.259	.335	.356	.691
9	Colonels	-0.92	-510	556	.398	217	328	19,673	3,110	5,140	729	328	83	2,338	1,488	150		1,189	21,337	6,774	1,140	.261	.319	.344	.663
10	Orioles	-0.48	-269	556	.468	252	286	18,876	3,044	4,559	643	289	78	2,255	1,564	208		1,451	20,684	6,014	1,010	.242	.308	.319	.626
11	Alleghenys	-0.16	-87	538	.497	262	265	18,729	2,691	4,584	728	288	92	2,029	1,411	128		999	20,306	6,164	1,108	.245	.303	.329	.633
12	Athletics	0.29	159	550	.530	283	251	19,506	3,372	5,060	845	320	124	2,475	1,536	190		1,446	21,273	6,917	1,289	.259	.321	.355	.676
13	Beaneaters	0.56	288	515	.540	270	230	18,173	2,986	4,774	699	296	175	2,353	1,343	110		1,153	19,626	6,590	1,170	.263	.317	.363	.680
14	Quakers	0.66	337	509	.563	278	216	17,925	2,799	4,514	724	253	133	2,149	1,328	138		1,096	19,391	6,143	1,110	.252	.308	.343	.651
15	Red Stockings	0.74	410	555	.553	302	244	19,357	3,417	4,978	653	375	166	2,611	1,553	176		1,643	21,151	6,879	1,194	.257	.320	.355	.676
16	Bridegrooms	0.8	449	562	.578	317	231	19,652	3,489	4,984	756	311	113	2,593	1,792	156		1,380	21,618	6,701	1,180	.254	.321	.341	.662
17	White Stockings	1.09	570	525	.596	305	207	18,193	3,314	4,939	707	346	289	2,602	1,675	78		1,125	19,946	7,205	1,342	.271	.336	.396	.732
18	Giants	1.22	638	522	.621	310	189	18,232	3,102	4,883	680	314	176	2,411	1,406	103		1,176	19,741	6,719	1,170	.268	.324	.369	.692
19	Wolverines	1.66	642	387	.619	234	144	14,039	2,519	3,939	566	279	159	2,025	1,033	84		654	15,156	5,540	1,004	.281	.334	.395	.728
20	Browns	2.32	1,287	555	.680	370	174	19,751	3,821	5,416	827	274	153	2,851	1,745	172		1,721	21,720	7,250	1,254	.274	.340	.367	.707