mlb team worst run differential per game in a season since 1890

Since 1890, the Cleveland Spiders have the lowest run differential per game by a team in a season, with -4.69 in 1899.

	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	Spiders	-4.69	-723	154	1899	.130	20	134	5,279	529	1,333	142	50	12	454	289	65	280	127		5,690	1,611	204	57				.253	.299	.305	.605
2	Alleghenys	-4.62	-638	138	1890	.169	23	113	4,739	597	1,088	160	43	20	426	408	66	460	208		5,213	1,394	223					.230	.300	.294	.594
3	Browns	-3.73	-496	133	1897	.221	29	102	4,673	592	1,285	151	67	32	496	354	76	314	172		5,183	1,666	250	80				.275	.336	.357	.693
4	Bisons	-3.03	-406	134	1890	.273	36	96	4,795	793	1,249	180	64	20	630	541	96	367	160		5,432	1,617	264					.260	.347	.337	.684
5	Colonels	-2.95	-392	133	1895	.267	35	96	4,724	698	1,320	171	73	34	574	346	77	323	156		5,205	1,739	278	58				.279	.339	.368	.707
6	Rockies	-2.79	-201	72	2025	.208	15	57	2,396	245	538	113	24	64	241	197	25	698	34	16	2,640	891	201	7	15	5	52	.225	.289	.372	.661
7	Senators	-2.71	-376	139	1891	.326	44	91	4,715	691	1,183	147	84	19	536	468	76	485	219		5,259	1,555	250					.251	.328	.330	.658
8	Colonels	-2.57	-344	134	1896	.290	38	93	4,588	653	1,197	142	80	37	520	371	45	427	195		5,057	1,610	259	53				.261	.322	.351	.673
9	Browns	-2.56	-336	131	1896	.308	40	90	4,520	593	1,162	134	78	37	487	332	35	300	185		4,988	1,563	249	101				.257	.313	.346	.659
10	Colonels	-2.45	-321	131	1894	.277	36	94	4,519	698	1,216	173	89	42	564	355	53	368	219		5,020	1,693	304	93				.269	.330	.375	.704
11	Gladiators	-2.41	-241	100	1890	.263	26	73	3,475	492	769	116	47	13	328	328	31		182		3,834	1,018	176					.221	.294	.293	.587
12	Senators	-2.38	-310	130	1893	.310	40	89	4,742	722	1,258	180	83	23	608	523	63	237	154		5,328	1,673	286					.265	.346	.353	.699
13	Browns	-2.32	-358	154	1898	.260	39	111	5,214	571	1,290	149	55	13	470	383	84	405	104		5,798	1,588	217	117				.247	.309	.305	.614
14	Red Sox	-2.24	-345	154	1932	.279	43	111	5,294	566	1,330	253	57	53	529	470	12	537	46	46	5,856	1,856	363	80				.251	.314	.351	.664
15	Athletics	-2.23	-344	154	1915	.283	43	109	5,081	545	1,204	183	72	16	440	436	54	634	127	89	5,708	1,579	271	137				.237	.304	.311	.615
16	Athletics	-2.15	-331	154	1936	.346	53	100	5,373	714	1,443	240	60	72	663	525	19	592	59	43	5,991	2,019	372	74				.269	.336	.376	.712
17	Athletics	-2.14	-329	154	1916	.235	36	117	5,010	447	1,212	169	65	19	380	406	30	631	151		5,603	1,568	253	157				.242	.303	.313	.616
18	Athletics	-2.13	-333	156	1954	.331	51	103	5,206	542	1,228	191	41	94	503	504	28	677	30	29	5,823	1,783	326	54	31		106	.236	.305	.342	.648
19	Athletics	-2.09	-339	162	2023	.309	50	112	5,311	585	1,187	225	21	171	563	498	85	1,496	149	31	5,958	1,967	417	28	36	12	125	.223	.298	.370	.669
20	Browns	-2.09	-284	136	1895	.298	39	92	4,814	752	1,356	155	88	39	633	388	28	283	208		5,294	1,804	282	64				.282	.339	.375	.714
21	Tigers	-2.08	-337	162	2003	.265	43	119	5,466	591	1,312	201	39	153	553	443	47	1,099	98	63	6,070	2,050	393	65	49	24	114	.240	.300	.375	.675
22	Tigers	-2.07	-333	161	2019	.292	47	114	5,549	582	1,333	292	41	149	556	391	48	1,595	57	20	6,039	2,154	482	9	42	14	108	.240	.294	.388	.682
23	Rustlers	-2.06	-322	156	1911	.291	44	107	5,308	699	1,417	249	54	37	594	554	31	577	169		6,044	1,885	340	151				.267	.340	.355	.695
24	Mets	-2.06	-331	161	1962	.250	40	120	5,492	617	1,318	166	40	139	573	616	32	991	59	48	6,242	1,981	345	58	44	29	122	.240	.318	.361	.679
25	Phillies	-2.05	-316	154	1945	.299	46	108	5,203	548	1,278	197	27	56	503	449	15	501	54		5,738	1,697	280	71			113	.246	.307	.326	.634