worst run differential in a season mlb history since 1890

Since 1890, the Cleveland Spiders have the lowest run differential by a team in a season, with a differential of -723 runs in 1899.

	TEAM	DIFF	SEASON	G	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	-723	1899	154	.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	-638	1890	138	.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	-496	1897	133	.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	Rockies	-424	2025	162	.265	43	119	5,408	597	1,281	253	37	160	581	395	48	1,531	87	39	5,907	2,088	450	21	35	5	118	.237	.293	.386	.679
5	Bisons	-406	1890	134	.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
6	Colonels	-392	1895	133	.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
7	Senators	-376	1891	139	.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	Browns	-358	1898	154	.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
9	Red Sox	-345	1932	154	.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
10	Athletics	-344	1915	154	.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
11	Colonels	-344	1896	134	.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
12	Athletics	-339	2023	162	.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
13	Tigers	-337	2003	162	.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
14	Browns	-336	1896	131	.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
15	Tigers	-333	2019	161	.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
16	Athletics	-333	1954	156	.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
17	Mets	-331	1962	161	.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
18	Athletics	-331	1936	154	.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
19	Athletics	-329	1916	154	.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
20	Rustlers	-322	1911	156	.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
21	Colonels	-321	1894	131	.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
22	Tigers	-320	1996	162	.327	53	109	5,530	783	1,413	257	21	204	741	546	29	1,268	87	50	6,202	2,324	482	48	49	26	132	.256	.323	.420	.743
23	Phillies	-316	1945	154	.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
24	Athletics	-311	1939	153	.362	55	97	5,309	711	1,438	282	55	98	667	503	15	531	60	34	5,965	2,124	435	138			121	.271	.336	.400	.736
25	Senators	-310	1893	130	.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