The Boston Americans had the worst record by a team in 1906, with a record of 49-105.

	TEAM	REC	SEASON	W%	G	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	AVG	OBP	SLG	OPS
1	Americans	49-105	1906	.318	155	49	105	5,168	463	1,223	160	75	13	408	298	41	616	99	5,645	1,572	248	138	.237	.284	.304	.588
2	Beaneaters	49-102	1906	.325	152	49	102	4,925	408	1,115	136	43	16	330	356	52	681	93	5,452	1,385	195	119	.226	.286	.281	.567
3	Cardinals	52-98	1906	.347	154	52	98	5,075	475	1,195	137	69	9	362	361	38	682	110	5,613	1,497	215	139	.235	.291	.295	.586
4	Senators	55-95	1906	.367	151	55	95	4,956	519	1,180	144	65	26	433	306	49	600	233	5,455	1,532	235	144	.238	.289	.309	.598
5	Reds	64-87	1906	.424	155	64	87	5,025	530	1,198	140	71	16	454	395	58	532	170	5,635	1,528	227	157	.238	.301	.304	.605
6	Superbas	66-86	1906	.434	153	66	86	4,897	495	1,156	141	68	25	407	388	36	664	175	5,484	1,508	234	163	.236	.297	.308	.605
7	Phillies	71-82	1906	.464	154	71	82	4,911	530	1,183	197	47	12	444	432	36	536	180	5,524	1,510	256	145	.241	.307	.307	.614
8	Tigers	71-78	1906	.477	151	71	78	4,930	518	1,195	154	64	10	404	333	33	517	206	5,474	1,507	228	178	.242	.295	.306	.600
9	Browns	76-73	1906	.510	154	76	73	5,030	559	1,244	145	60	20	456	366	47	592	221	5,614	1,569	225	171	.247	.304	.312	.616
10	Athletics	78-67	1906	.538	149	78	67	4,883	555	1,206	213	49	32	489	385	43	666	166	5,475	1,613	294	164	.247	.308	.330	.638
11	Naps	89-64	1906	.582	157	89	64	5,425	664	1,514	240	73	12	548	330	41	563	203	5,987	1,936	325	191	.279	.325	.357	.682
12	Highlanders	90-61	1906	.596	155	90	61	5,095	640	1,354	166	77	17	528	331	46	537	192	5,661	1,725	260	189	.266	.316	.339	.655
13	Pirates	93-60	1906	.608	154	93	60	5,030	622	1,313	164	67	12	497	424	42	385	162	5,686	1,647	243	190	.261	.324	.327	.651
14	White Sox	93-58	1906	.616	154	93	58	4,925	567	1,133	152	52	7	444	453	50	492	216	5,654	1,410	211	226	.230	.301	.286	.588
15	Giants	96-56	1906	.632	153	96	56	4,768	625	1,217	162	53	14	513	563	71	531	288	5,556	1,527	229	154	.255	.343	.320	.663
16	Cubs	116-36	1906	.763	155	116	36	5,018	704	1,316	181	71	20	539	448	45	516	283	5,742	1,699	272	231	.262	.328	.339	.667