fastest mlb team to reach 50 losses in one season all-time in the modern era

The Boston Beaneaters lost 72 times in 1900.

Interpreted as:

fastest MLB team to reach 50 or more losses in one season all-time in the modern era

	TEAM	L	SEASON	W	L%	G	W%	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	AVG	OBP	SLG	OPS
1	Beaneaters	72	1900	66	.522	142	.478	4,952	778	1,403	163	68	48	676	395	45	270	182	5,499	1,846	279	107	.283	.342	.373	.715
2	Orphans	75	1900	65	.536	146	.464	4,907	635	1,276	202	51	33	519	343	65	375	189	5,445	1,679	286	130	.260	.317	.342	.659
3	Reds	77	1900	62	.554	144	.446	5,026	703	1,335	178	83	33	591	333	50	408	183	5,517	1,778	294	108	.266	.318	.354	.671
4	Pirates	60	1900	79	.432	140	.568	4,817	733	1,312	185	100	26	602	327	63	319	174	5,317	1,775	311	110	.272	.327	.368	.695
5	Giants	78	1900	60	.565	141	.435	4,724	713	1,317	177	61	23	564	369	56	345	236	5,229	1,685	261	80	.279	.338	.357	.695
6	Phillies	63	1900	75	.457	141	.543	4,969	810	1,439	187	82	29	694	440	72	377	205	5,594	1,877	298	113	.290	.356	.378	.734
7	Superbas	54	1900	82	.397	142	.603	4,860	816	1,423	199	81	26	676	421	81	269	274	5,440	1,862	306	78	.293	.359	.383	.742
8	Cardinals	75	1900	65	.536	142	.464	4,877	744	1,420	141	81	36	602	406	81	318	243	5,444	1,831	258	80	.291	.356	.375	.731
9	Beaneaters	69	1901	69	.500	140	.500	4,746	533	1,180	135	36	28	449	303	34	518	158	5,218	1,471	199	135	.249	.298	.310	.608
10	Orphans	86	1901	53	.619	140	.381	4,844	578	1,250	153	61	18	481	314	52	530	204	5,277	1,579	232	67	.258	.310	.326	.636
11	Reds	87	1901	52	.626	142	.374	4,914	561	1,232	173	70	38	476	323	42	587	137	5,392	1,659	281	113	.251	.303	.338	.640
12	Giants	85	1901	52	.620	141	.380	4,839	544	1,225	167	46	19	458	303	45	578	133	5,260	1,541	232	73	.253	.303	.318	.622
13	Phillies	57	1901	83	.407	140	.593	4,793	668	1,275	194	58	24	552	430	62	550	199	5,411	1,657	276	126	.266	.334	.346	.680
14	Superbas	57	1901	79	.419	137	.581	4,879	744	1,399	206	93	32	633	312	41	446	178	5,312	1,887	331	80	.287	.335	.387	.722
15	Cardinals	64	1901	76	.457	142	.543	5,039	792	1,430	187	94	39	657	314	90	540	190	5,565	1,922	320	122	.284	.337	.381	.718
16	Orioles	65	1901	68	.489	135	.511	4,589	761	1,348	179	111	24	633	369	52	373	207	5,111	1,821	314	101	.294	.353	.397	.750
17	Americans	57	1901	79	.419	138	.581	4,866	759	1,353	183	104	37	632	331	47	281	157	5,349	1,855	324	105	.278	.330	.381	.711
18	White Sox	53	1901	83	.390	137	.610	4,725	819	1,303	173	89	32	656	475	62	336	280	5,397	1,750	294	135	.276	.350	.370	.720
19	Blues	82	1901	54	.603	138	.397	4,833	666	1,311	197	68	12	523	243	48	322	125	5,200	1,680	277	76	.271	.313	.348	.660
20	Tigers	61	1901	74	.452	136	.548	4,676	742	1,303	180	80	29	611	380	54	348	204	5,245	1,730	289	135	.279	.340	.370	.710
21	Brewers	89	1901	48	.650	139	.350	4,795	641	1,250	192	66	26	513	325	46	387	176	5,288	1,652	284	122	.261	.314	.345	.658
22	Athletics	62	1901	74	.456	137	.544	4,882	805	1,409	239	87	35	665	301	52	344	173	5,320	1,927	361	85	.289	.337	.395	.731
23	Senators	72	1901	61	.541	138	.459	4,772	683	1,282	191	83	33	561	356	51	339	127	5,259	1,738	307	80	.269	.326	.364	.690
24	Beaneaters	64	1902	73	.467	142	.533	4,728	571	1,178	142	39	14	452	398	43	483	189	5,300	1,440	195	131	.249	.313	.305	.618
25	Orphans	69	1902	68	.504	143	.496	4,870	543	1,224	133	40	6	434	358	44	566	229	5,428	1,455	179	156	.251	.308	.299	.607