Before 1937, the Chicago Cubs had the most wins by a team, with 4,690 wins.

Interpreted as:

MLB most regular-season wins by a team before 1937

	TEAM	W	L	W%	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	SH	AVG	OBP	SLG	OPS
1	Cubs	4,690	3,599	.566	8,407	289,043	42,796	78,468	12,433	3,967	2,913	32,004	24,101	1,927	22,260	9,200	322,057	107,574	19,313	6,986	.271	.332	.372	.704
2	Giants	4,429	3,316	.572	7,884	270,191	39,686	74,348	10,874	3,768	2,892	32,910	22,114	2,277	20,160	9,814	299,954	101,434	17,534	5,372	.275	.335	.375	.711
3	Pirates	4,190	3,673	.533	7,961	273,882	38,129	74,001	10,701	4,965	1,786	31,204	21,548	2,045	19,402	8,312	304,071	99,990	17,452	6,473	.270	.328	.365	.693
4	Bees	3,957	4,316	.478	8,392	289,581	38,692	76,340	11,048	3,595	2,142	29,271	21,991	1,999	21,244	7,458	319,837	101,004	16,785	6,266	.264	.320	.349	.669
5	Reds	3,927	3,961	.498	8,001	272,392	37,106	72,581	10,296	4,597	1,732	29,923	21,443	1,973	19,723	9,348	302,426	97,267	16,625	6,450	.266	.325	.357	.682
6	Dodgers	3,761	3,915	.490	7,781	265,882	35,799	70,466	10,318	3,848	2,064	29,931	21,183	1,923	21,670	8,435	294,822	94,672	16,230	5,758	.265	.324	.356	.680
7	Phillies	3,600	4,124	.466	7,813	270,024	37,573	73,040	12,034	3,222	2,803	31,434	21,969	2,019	22,637	7,454	300,089	99,927	18,059	6,077	.270	.330	.370	.700
8	Cardinals	3,079	3,588	.462	6,750	230,304	30,139	61,866	9,293	3,346	2,128	26,100	18,908	1,824	22,218	6,362	256,790	84,235	14,767	5,754	.269	.329	.366	.695
9	Yankees	2,817	2,304	.550	5,177	175,137	25,095	47,454	7,339	2,432	2,613	22,187	17,525	1,326	18,879	4,597	199,153	67,496	12,384	5,165	.271	.342	.385	.727
10	Tigers	2,797	2,622	.516	5,477	186,050	26,081	51,339	8,441	2,859	1,436	22,615	17,646	1,259	17,363	5,241	211,082	69,806	12,736	6,127	.276	.343	.375	.718
11	Indians	2,793	2,632	.515	5,488	186,381	24,999	51,335	9,313	2,564	1,318	21,981	15,842	1,376	17,965	4,427	209,791	69,730	13,195	6,192	.275	.337	.374	.711
12	Athletics	2,775	2,598	.516	5,432	184,288	25,020	49,969	8,389	2,425	2,142	22,012	16,046	1,320	19,257	4,176	207,354	69,634	12,956	5,700	.271	.334	.378	.712
13	White Sox	2,715	2,692	.502	5,475	183,435	23,569	48,054	7,561	2,364	1,025	20,444	17,005	1,445	17,380	5,468	208,688	63,418	10,950	6,803	.262	.329	.346	.675
14	Senators	2,620	2,784	.485	5,484	185,314	23,617	49,152	7,694	2,728	1,081	20,631	16,301	1,575	18,146	5,146	208,691	65,545	11,503	5,501	.265	.330	.354	.684
15	Red Sox	2,591	2,816	.479	5,465	183,583	22,598	48,019	8,111	2,537	1,187	19,764	15,837	1,347	17,982	3,974	206,738	64,765	11,835	5,971	.262	.325	.353	.678
16	Browns	2,392	3,017	.442	5,484	184,844	22,876	48,579	7,812	2,340	1,526	19,938	16,023	1,212	19,752	4,394	207,586	65,649	11,678	5,507	.263	.326	.355	.681
17	Colonels	993	1,320	.429	2,355	82,256	12,464	21,505	2,816	1,292	436	8,508	6,080	757	3,638	3,474	89,787	28,213	4,544	609	.261	.319	.343	.662
18	Spiders	827	938	.469	1,802	63,232	10,057	17,006	2,308	961	292	8,238	5,871	580	3,144	2,800	70,233	22,112	3,561	550	.269	.337	.350	.686
19	Browns	781	432	.644	1,233	43,777	7,933	11,555	1,658	602	304	4,657	3,473	353	436	2,307	47,743	15,329	2,564		.264	.325	.350	.675
20	Orioles	730	530	.579	1,294	45,361	8,530	13,521	1,814	865	218	6,940	4,345	992	2,952	2,993	51,317	17,719	2,897	619	.298	.372	.391	.763
21	Athletics	633	564	.529	1,219	43,556	7,481	11,208	1,782	741	284	4,168	3,158	351	548	1,900	47,191	15,324	2,807		.257	.315	.352	.666
22	Senators	454	788	.366	1,265	43,645	6,912	11,886	1,615	787	357	5,764	4,269	575	3,492	1,975	48,963	16,146	2,759	474	.272	.345	.370	.715
23	Grays	438	278	.612	725	26,572	4,037	6,764	1,084	341	98	292	1,192				27,764	8,824	1,523		.255		.332
24	Wolverines	426	437	.494	880	31,647	4,849	8,116	1,241	537	264	2,412	1,880	84		654	33,611	11,223	2,042		.256	.300	.355	.655
25	Orioles	403	519	.437	944	32,654	4,964	7,699	1,083	504	136	2,635	2,289	208		1,451	35,293	10,198	1,723		.236	.293	.312	.605