Between the 1903 and 1968 seasons, the New York Yankees had the best record by a team, with a record of 5815-4284.

	TEAM	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	Yankees	5815-4284	.576	10,182	5,815	4,284	346,068	49,584	92,183	14,263	4,082	7,364	45,152	36,521	2,297	41,118	6,284	570	393,141	136,702	25,709	7,654	601	664	3,393	.266	.340	.395	.735
2	Whales	173-133	.565	312	173	133	10,231	1,262	2,634	412	127	102	1,102	964	71	1,200	332		11,614	3,606	641	348				.257	.326	.352	.678
3	Giants	5668-4448	.560	10,196	5,668	4,448	347,605	47,045	93,321	13,829	3,571	6,918	42,669	30,951	2,581	36,916	6,806	623	389,040	135,046	24,318	7,286	617	792	3,621	.268	.332	.389	.721
4	Peppers	168-137	.551	312	168	137	10,273	1,347	2,757	440	170	50	1,116	908	72	1,160	457		11,678	3,687	660	425				.268	.332	.359	.691
5	Indians	5351-4779	.528	10,216	5,351	4,779	347,230	45,658	92,589	16,082	3,820	5,320	41,494	32,628	2,195	40,030	5,865	676	391,461	132,271	25,222	8,753	655	576	3,459	.267	.333	.381	.714
6	Tigers	5289-4850	.522	10,228	5,289	4,850	348,178	47,666	93,535	15,261	4,158	5,384	42,896	35,972	2,015	38,257	6,541	571	395,404	133,264	24,803	8,624	615	595	3,889	.269	.340	.383	.723
7	Cubs	5266-4870	.520	10,221	5,266	4,870	346,652	44,391	91,109	14,892	3,731	5,584	39,998	31,214	2,122	41,461	6,413	654	389,104	130,215	24,207	8,533	583	793	3,431	.263	.327	.376	.703
8	Cardinals	5259-4864	.520	10,211	5,259	4,864	349,996	45,359	94,082	15,599	4,226	5,136	41,036	30,425	2,075	39,009	6,119	773	390,613	133,541	24,961	7,507	610	799	3,392	.269	.330	.382	.712
9	Pirates	5223-4898	.516	10,206	5,223	4,898	348,933	44,661	93,726	14,280	5,012	4,390	40,300	30,086	1,890	37,186	6,261	612	389,486	131,200	23,682	7,955	622	878	3,675	.269	.329	.376	.705
10	Dodgers	5208-4911	.515	10,201	5,208	4,911	346,569	43,911	91,002	14,164	3,869	5,208	39,732	31,730	1,920	39,833	6,640	932	388,854	128,528	23,241	7,995	640	795	3,508	.263	.327	.371	.698
11	Blues	154-149	.508	308	154	149	10,129	1,194	2,525	370	142	77	1,014	850	42	1,329	412		11,287	3,410	589	266				.249	.310	.337	.647
12	White Sox	5132-4978	.508	10,199	5,132	4,978	343,711	42,903	89,050	13,970	3,726	3,497	38,488	33,582	2,518	36,506	7,679	874	389,900	120,963	21,193	9,413	676	587	3,611	.259	.329	.352	.681
13	Red Sox	5037-5072	.498	10,188	5,037	5,072	345,520	45,144	90,973	15,783	3,731	5,108	41,046	34,957	2,033	39,831	5,228	545	391,459	129,542	24,622	8,346	603	613	4,035	.263	.334	.375	.709
14	Rebels	150-153	.495	310	150	153	10,154	1,197	2,657	360	170	54	1,027	858	77	1,085	377		11,485	3,519	584	396				.262	.324	.347	.670
15	Reds	4979-5151	.492	10,209	4,979	5,151	346,453	42,617	90,991	14,259	4,094	4,806	38,697	28,975	2,088	37,419	6,528	703	386,278	127,856	23,159	8,135	627	847	3,376	.263	.323	.369	.692
16	Terriers	149-156	.489	313	149	156	10,223	1,199	2,598	392	146	49	1,026	1,079	70	1,150	308		11,783	3,429	587	411				.254	.329	.335	.665
17	Packers	148-156	.487	307	148	156	10,064	1,191	2,575	426	143	67	1,040	767	82	1,091	315		11,264	3,488	636	351				.256	.314	.347	.660
18	Tip-Tops	147-159	.480	310	147	159	10,256	1,309	2,750	430	160	78	1,134	877	92	1,223	469		11,516	3,734	668	291				.268	.331	.364	.695
19	Angels	614-679	.475	1,294	614	679	43,143	4,799	10,380	1,563	282	934	4,451	4,071	271	7,957	464	321	48,447	15,309	2,779	649	313	338	901	.241	.308	.355	.663
20	Twins	4793-5318	.474	10,210	4,793	5,318	346,281	43,347	89,993	14,229	4,247	4,034	39,124	33,377	2,444	39,325	6,901	619	390,473	124,818	22,510	7,770	601	595	3,663	.260	.329	.360	.689
21	Braves	4679-5423	.463	10,196	4,679	5,423	346,732	41,113	89,365	13,700	3,238	5,154	37,241	29,527	2,094	39,103	5,071	584	386,929	125,003	22,092	7,972	604	888	3,560	.258	.319	.361	.680
22	Athletics	4640-5437	.460	10,162	4,640	5,437	344,208	43,591	89,979	14,820	3,784	5,003	39,415	32,436	2,016	40,541	5,532	606	387,327	127,376	23,607	8,115	552	462	3,817	.261	.328	.370	.698
23	Orioles	4542-5569	.449	10,211	4,542	5,569	345,133	42,163	88,865	14,621	3,493	4,793	38,120	32,995	1,867	42,387	5,547	620	388,715	124,851	22,907	8,110	610	613	3,697	.257	.325	.362	.687
24	Phillies	4451-5641	.441	10,161	4,451	5,641	345,257	41,815	90,060	14,801	3,237	5,266	37,817	29,850	1,947	40,948	5,110	658	385,344	127,133	23,304	7,695	595	789	3,586	.261	.323	.368	.691
25	Terrapins	131-177	.425	314	131	177	10,180	1,195	2,609	418	120	68	1,016	957	83	1,184	280		11,579	3,471	606	359				.256	.325	.341	.666