The Boston Red Sox had a record of 691-634 in the 1900s.

	TEAM	DECADE	REC	W%	G	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	Red Sox	1900s	691-634	.522	1,344	691	634	45,372	5,409	11,513	1,541	767	247	4,554	2,941	435	4,729	1,257		50,022	15,329	2,555	1,274				.254	.305	.338	.643
2	Red Sox	1910s	857-624	.579	1,507	857	624	48,995	6,145	12,720	2,030	722	232	5,170	4,792	446	5,189	1,505		56,396	16,890	2,984	2,163				.260	.331	.345	.676
3	Red Sox	1920s	595-938	.388	1,542	595	938	52,050	6,228	13,840	2,591	639	315	5,630	4,542	354	4,471	761		58,743	18,654	3,545	1,797				.266	.329	.358	.687
4	Red Sox	1930s	705-815	.464	1,528	705	815	53,057	7,429	14,561	2,803	586	715	6,871	5,403	166	5,114	627		59,719	20,681	4,104	1,093			146	.274	.343	.390	.733
5	Red Sox	1940s	854-683	.556	1,552	854	683	53,570	7,714	14,521	2,597	512	1,012	7,177	6,425	196	5,607	575		61,175	21,178	4,121	984			1,271	.271	.351	.395	.747
6	Red Sox	1950s	814-725	.529	1,543	814	725	53,117	7,534	14,167	2,462	379	1,334	7,131	6,486	264	6,956	392	247	60,799	21,389	4,175	667	265	209	1,413	.267	.348	.403	.751
7	Red Sox	1960s	764-845	.475	1,610	764	845	54,594	6,851	13,741	2,371	362	1,529	6,418	5,632	293	9,340	441	345	61,540	21,423	4,262	640	381	465	1,330	.252	.323	.392	.715
8	Red Sox	1970s	895-714	.556	1,609	895	714	54,750	7,559	14,579	2,577	384	1,591	7,128	5,505	335	8,215	746	484	61,678	22,697	4,552	565	523	459	1,354	.266	.334	.415	.749
9	Red Sox	1980s	821-742	.525	1,564	821	742	54,272	7,586	15,083	2,803	308	1,423	7,162	5,465	355	7,407	526	346	61,066	22,771	4,534	479	495	438	1,482	.278	.345	.420	.765
10	Red Sox	1990s	814-741	.523	1,555	814	741	53,657	7,549	14,653	3,042	296	1,500	7,166	5,548	500	9,038	707	429	60,628	22,787	4,838	444	479	464	1,375	.273	.344	.425	.769
11	Red Sox	2000s	920-699	.568	1,619	920	699	56,337	8,647	15,546	3,430	289	1,944	8,246	6,274	623	10,556	763	291	64,020	25,386	5,663	239	547	461	1,336	.276	.352	.451	.802
12	Red Sox	2010s	872-748	.538	1,620	872	748	56,534	8,102	15,108	3,333	257	1,870	7,702	5,475	528	12,257	906	277	63,203	24,565	5,460	203	463	393	1,308	.267	.335	.435	.770
13	Red Sox	2020s	382-389	.495	771	382	389	26,450	3,671	6,807	1,569	99	905	3,503	2,368	313	6,828	435	133	29,367	11,289	2,573	49	187	111	540	.257	.324	.427	.750