mlb team with the worst single season run differential after 1900 but before 1961

The Boston Beaneaters had a run differential of -23 runs in 1901.

	TEAM	DIFF	SEASON	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	AVG	OBP	SLG	OPS
1	Beaneaters	-23	1901	140	.500	69	69	4,746	533	1,180	135	36	28	449	303	34	518	158	5,218	1,471	199	135	.249	.298	.310	.608
2	Orphans	-120	1901	140	.381	53	86	4,844	578	1,250	153	61	18	481	314	52	530	204	5,277	1,579	232	67	.258	.310	.326	.636
3	Reds	-257	1901	142	.374	52	87	4,914	561	1,232	173	70	38	476	323	42	587	137	5,392	1,659	281	113	.251	.303	.338	.640
4	Pirates	243	1901	140	.647	90	49	4,913	777	1,407	182	92	29	636	386	52	497	203	5,468	1,860	303	117	.286	.345	.379	.723
5	Giants	-211	1901	141	.380	52	85	4,839	544	1,225	167	46	19	458	303	45	578	133	5,260	1,541	232	73	.253	.303	.318	.622
6	Phillies	125	1901	140	.593	83	57	4,793	668	1,275	194	58	24	552	430	62	550	199	5,411	1,657	276	126	.266	.334	.346	.680
7	Superbas	144	1901	137	.581	79	57	4,879	744	1,399	206	93	32	633	312	41	446	178	5,312	1,887	331	80	.287	.335	.387	.722
8	Cardinals	103	1901	142	.543	76	64	5,039	792	1,430	187	94	39	657	314	90	540	190	5,565	1,922	320	122	.284	.337	.381	.718
9	Orioles	11	1901	135	.511	68	65	4,589	761	1,348	179	111	24	633	369	52	373	207	5,111	1,821	314	101	.294	.353	.397	.750
10	Americans	151	1901	138	.581	79	57	4,866	759	1,353	183	104	37	632	331	47	281	157	5,349	1,855	324	105	.278	.330	.381	.711
11	White Sox	187	1901	137	.610	83	53	4,725	819	1,303	173	89	32	656	475	62	336	280	5,397	1,750	294	135	.276	.350	.370	.720
12	Blues	-165	1901	138	.397	54	82	4,833	666	1,311	197	68	12	523	243	48	322	125	5,200	1,680	277	76	.271	.313	.348	.660
13	Tigers	46	1901	136	.548	74	61	4,676	742	1,303	180	80	29	611	380	54	348	204	5,245	1,730	289	135	.279	.340	.370	.710
14	Brewers	-187	1901	139	.350	48	89	4,795	641	1,250	192	66	26	513	325	46	387	176	5,288	1,652	284	122	.261	.314	.345	.658
15	Athletics	45	1901	137	.544	74	62	4,882	805	1,409	239	87	35	665	301	52	344	173	5,320	1,927	361	85	.289	.337	.395	.731
16	Senators	-88	1901	138	.459	61	72	4,772	683	1,282	191	83	33	561	356	51	339	127	5,259	1,738	307	80	.269	.326	.364	.690
17	Beaneaters	55	1902	142	.533	73	64	4,728	571	1,178	142	39	14	452	398	43	483	189	5,300	1,440	195	131	.249	.313	.305	.618
18	Orphans	38	1902	143	.496	68	69	4,870	543	1,224	133	40	6	434	358	44	566	229	5,428	1,455	179	156	.251	.308	.299	.607
19	Reds	66	1902	141	.500	70	70	4,908	632	1,383	188	77	18	531	297	39	467	131	5,342	1,779	283	98	.282	.328	.362	.690
20	Pirates	334	1902	142	.741	103	36	4,926	774	1,410	189	95	18	660	372	64	440	222	5,480	1,843	302	118	.286	.344	.374	.718
21	Giants	-199	1902	141	.353	48	88	4,632	405	1,097	147	34	6	338	254	40	544	187	5,034	1,330	187	108	.237	.282	.287	.570
22	Phillies	-165	1902	138	.409	56	81	4,615	484	1,139	110	43	5	389	356	32	480	108	5,125	1,350	158	122	.247	.305	.293	.598
23	Superbas	45	1902	141	.543	75	63	4,845	564	1,242	147	49	19	476	319	62	491	145	5,344	1,544	215	118	.256	.311	.319	.629
24	Cardinals	-178	1902	140	.418	56	78	4,751	517	1,226	116	37	10	402	273	52	439	158	5,183	1,446	163	107	.258	.306	.304	.610
25	Orioles	-133	1902	141	.362	50	88	4,760	715	1,318	202	107	33	598	417	54	424	189	5,348	1,833	342	117	.277	.342	.385	.727