The Cincinnati Outlaw Reds had the best record by a team with 40+ games played, with a record of 69-36.

Interpreted as:

best MLB record through 40 or more game

	TEAM	REC	G	W%	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	Outlaw Reds	69-36	105	.657	69	36	3,786	703	1,027	118	63	26		147		482			3,933	1,349	207					.271		.356
2	Reds	174-90	269	.659	174	90	9,515	2,020	2,647	386	176	106	1,548	1,303	109	499	859		10,927	3,703	668					.278	.371	.389	.761
3	Browns	781-432	1,233	.644	781	432	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
4	Dark Blues	78-48	129	.619	78	48	5,022	770	1,348	159	53	6		69					5,091	1,631	218					.268		.325
5	Grays	438-278	725	.612	438	278	26,572	4,037	6,764	1,084	341	98	292	1,192					27,764	8,824	1,523					.255		.332
6	Brown Stockings	73-51	124	.589	73	51	4,656	670	1,173	124	63	3		116					4,772	1,432	190					.252		.308
7	Orioles	730-530	1,294	.579	730	530	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
8	Ward's Wonders	76-56	133	.576	76	56	4,887	964	1,352	186	93	34	748	502	42	369	272		5,431	1,826	313					.277	.349	.374	.723
9	Yankees	10813-8168	19,069	.570	10,813	8,168	649,918	92,672	172,541	28,653	5,497	17,329	86,110	68,624	4,930	94,907	11,656	2,802	736,357	264,175	51,479	9,595	3,290	2,838	10,688	.265	.339	.406	.745
10	Whales	173-133	312	.565	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
11	Giants	74-57	132	.565	74	57	4,913	1,018	1,393	204	97	66	793	486	31	364	231		5,430	1,989	367					.284	.352	.405	.757
12	Peppers	168-137	312	.551	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
13	Monumentals	58-47	106	.552	58	47	3,883	662	952	150	26	17		144		652			4,027	1,205	193					.245		.310
14	Pirates	75-62	138	.547	75	62	4,968	886	1,311	200	95	31	705	492	43	410	276		5,503	1,794	326					.264	.335	.361	.697
15	Giants	11572-10044	21,779	.535	11,572	10,044	743,279	100,693	195,493	31,359	7,038	15,593	90,165	68,329	5,678	99,644	16,517	3,146	831,968	287,707	53,990	11,667	3,015	4,018	10,191	.263	.329	.387	.716
16	Dodgers	11466-10090	21,695	.532	11,466	10,090	739,227	97,958	193,142	31,069	7,006	14,142	88,176	68,938	5,153	100,420	17,347	3,552	829,231	280,649	52,217	12,774	3,063	3,737	9,951	.261	.327	.380	.707
17	Athletics	633-564	1,219	.529	633	564	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
18	Reds	58-51	111	.532	58	51	3,940	636	928	168	32	19		128		787			4,068	1,217	219					.236		.309
19	Athletics	68-63	132	.519	68	63	4,855	941	1,350	187	113	49	761	431	51	321	203		5,337	1,910	349					.278	.343	.393	.737
20	Red Sox	9982-9294	19,359	.518	9,982	9,294	662,577	90,407	176,795	33,136	5,600	14,614	83,841	66,841	4,808	95,647	9,639	2,552	748,163	264,973	53,350	10,597	3,340	2,999	11,552	.267	.337	.400	.737
21	Grays	65-61	130	.516	65	61	4,925	619	1,300	143	50	15		82					5,007	1,588	208					.264		.322
22	Maumees	68-64	134	.515	68	64	4,575	739	1,152	152	108	24	512	486	71		421		5,132	1,592	284					.252	.333	.348	.681
23	Cardinals	10537-9994	20,662	.513	10,537	9,994	706,761	92,453	187,820	31,844	7,052	12,867	84,513	64,211	5,205	98,224	15,018	3,616	791,295	272,369	51,763	11,974	3,144	3,776	10,141	.266	.330	.385	.715
24	Cubs	11362-10788	22,311	.513	11,362	10,788	763,529	102,750	199,971	33,771	7,360	15,263	88,335	68,601	5,285	105,113	15,804	3,072	853,353	294,251	56,394	13,027	2,911	3,522	9,967	.262	.326	.385	.711
25	Guardians	9882-9394	19,367	.513	9,882	9,394	660,087	87,556	174,737	31,162	5,499	13,924	80,920	62,647	4,838	94,671	11,914	3,390	742,394	258,669	50,585	11,464	3,358	2,546	10,530	.265	.331	.392	.723