Between the 1977 and 1980 seasons, the New York Yankees had the most wins by a team, with 392 wins.

Interpreted as:

most regular-season wins by a team in MLB 1977 to 1980

	TEAM	W	L	W%	G	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	392	255	.606	647	22,162	3,120	5,992	960	159	648	2,943	2,190	116	2,705	342	181	24,869	9,214	1,767	184	217	200	527	.270	.336	.416	.752
2	Orioles	389	254	.605	643	21,872	2,940	5,754	995	97	639	2,757	2,307	98	3,422	375	199	24,639	8,860	1,731	173	189	174	569	.263	.333	.405	.739
3	Royals	376	272	.580	648	22,435	3,225	6,247	1,156	274	475	3,025	2,056	148	2,715	778	290	25,103	9,376	1,905	195	269	195	460	.278	.339	.418	.757
4	Red Sox	370	274	.575	644	22,238	3,253	6,199	1,135	172	741	3,088	2,097	131	3,168	279	189	24,884	9,901	2,048	192	226	167	576	.279	.341	.445	.787
5	Phillies	366	282	.565	649	22,082	2,966	5,922	1,036	195	555	2,771	2,199	150	3,144	555	264	24,926	9,013	1,786	257	238	294	458	.268	.335	.408	.743
6	Pirates	365	282	.564	648	22,246	2,859	5,950	1,030	201	512	2,645	1,889	133	3,367	862	378	24,755	8,918	1,743	286	201	350	411	.267	.326	.401	.727
7	Dodgers	364	285	.561	649	22,084	2,898	5,824	903	103	671	2,766	2,246	90	3,394	480	232	24,961	8,946	1,677	373	168	257	457	.264	.332	.405	.737
8	Reds	359	287	.556	647	21,909	2,950	5,781	1,061	150	562	2,773	2,387	93	3,564	562	212	24,879	8,828	1,773	286	204	276	468	.264	.336	.403	.739
9	Brewers	341	306	.527	647	22,242	3,061	6,062	1,109	161	686	2,900	1,967	99	3,157	411	229	24,783	9,551	1,956	279	196	168	442	.273	.332	.429	.761
10	Rangers	340	307	.526	649	22,140	2,965	6,015	996	128	531	2,792	2,161	127	2,879	520	276	24,995	8,860	1,655	347	220	192	524	.272	.337	.400	.737
11	Astros	337	312	.519	649	21,948	2,505	5,650	949	224	308	2,336	1,950	97	3,082	749	300	24,516	7,971	1,481	350	171	275	433	.257	.319	.363	.682
12	Expos	336	310	.520	646	22,135	2,693	5,730	1,086	184	516	2,509	1,853	103	3,513	526	230	24,538	8,732	1,786	274	173	271	476	.259	.317	.394	.711
13	Tigers	329	318	.509	648	22,228	3,028	5,989	899	167	602	2,838	2,235	106	3,117	401	238	25,000	9,028	1,668	221	210	115	561	.269	.336	.406	.742
14	Twins	316	330	.489	646	22,235	2,967	6,072	1,040	199	416	2,773	2,129	128	2,834	332	212	25,131	8,758	1,655	424	215	173	521	.273	.337	.394	.731
15	Angels	314	332	.486	646	21,875	2,930	5,802	937	143	509	2,745	2,209	172	3,294	436	274	24,764	8,552	1,589	296	212	160	528	.265	.334	.391	.725
16	Cardinals	312	336	.481	649	22,284	2,806	5,976	1,094	212	376	2,627	1,820	95	3,155	464	277	24,650	8,622	1,682	257	194	269	499	.268	.323	.387	.710
17	Giants	310	337	.479	647	21,624	2,531	5,361	858	162	456	2,355	2,211	72	3,421	417	244	24,493	7,911	1,476	394	192	258	444	.248	.317	.366	.683
18	Cubs	304	344	.469	648	22,305	2,676	5,855	996	163	425	2,502	2,045	101	3,216	340	219	24,943	8,452	1,584	299	193	223	512	.262	.325	.379	.704
19	White Sox	304	339	.473	645	21,933	2,795	5,904	1,020	164	516	2,631	1,821	142	2,629	290	228	24,333	8,800	1,700	221	216	141	535	.269	.326	.401	.727
20	Indians	300	341	.468	641	21,702	2,813	5,781	871	160	433	2,626	2,293	139	2,797	412	298	24,678	8,271	1,464	316	228	144	564	.266	.337	.381	.718
21	Padres	294	353	.454	648	21,948	2,477	5,472	841	187	355	2,299	2,235	114	3,466	624	258	24,856	7,752	1,383	409	150	302	400	.249	.320	.353	.673
22	Braves	277	368	.429	645	21,739	2,577	5,458	855	109	532	2,419	2,011	87	3,467	343	220	24,264	8,127	1,496	275	152	199	511	.251	.315	.374	.689
23	Athletics	269	378	.416	647	21,522	2,396	5,288	776	135	462	2,216	1,937	100	3,285	599	357	24,065	7,720	1,373	346	160	155	472	.246	.309	.359	.668
24	Mets	260	388	.401	649	21,912	2,398	5,457	927	159	309	2,198	2,077	114	3,373	491	336	24,561	7,629	1,395	273	185	220	505	.249	.315	.348	.663
25	Mariners	246	400	.381	647	21,851	2,559	5,574	908	157	466	2,400	1,946	104	2,923	475	228	24,410	8,194	1,531	316	193	136	520	.255	.316	.375	.691