Between the 1978 and 1999 seasons, the New York Yankees had the most wins by a team, with 1,894 wins.

Interpreted as:

most MLB regular-season wins by team from 1978 to 1999

	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	1,894	1,544	.551	3,439	118,207	16,718	31,911	5,657	596	3,465	15,804	12,563	794	18,011	2,095	969	133,551	49,155	9,718	848	1,139	981	2,977	.270	.341	.416	.757
2	Red Sox	1,825	1,616	.530	3,442	119,054	16,772	32,796	6,425	684	3,289	15,871	12,107	912	17,988	1,367	869	134,194	50,456	10,398	1,030	1,091	983	3,150	.275	.344	.424	.768
3	Dodgers	1,796	1,648	.521	3,446	116,922	14,330	30,029	4,715	585	2,884	13,461	10,957	605	19,983	2,791	1,280	131,323	44,566	8,184	1,918	921	1,228	2,377	.257	.321	.381	.703
4	Astros	1,795	1,653	.521	3,448	117,134	14,474	30,167	5,498	852	2,282	13,546	11,313	827	19,764	3,333	1,430	131,955	44,215	8,632	1,668	1,013	1,365	2,318	.258	.325	.377	.702
5	Orioles	1,786	1,646	.520	3,434	117,043	15,985	30,608	5,417	509	3,735	15,163	12,735	781	18,757	1,675	915	132,526	48,248	9,661	933	1,034	867	2,968	.262	.335	.412	.748
6	Braves	1,772	1,661	.516	3,435	116,314	14,841	29,711	5,145	623	3,182	13,939	11,404	659	19,777	2,340	1,298	130,860	45,648	8,950	1,574	909	1,159	2,579	.255	.323	.392	.716
7	Reds	1,772	1,669	.515	3,444	116,794	15,036	30,183	5,623	720	2,930	14,054	11,642	634	20,656	3,221	1,281	131,619	46,036	9,273	1,535	1,014	1,244	2,449	.258	.326	.394	.721
8	Expos	1,758	1,680	.511	3,441	116,925	14,330	29,952	5,824	845	2,634	13,364	10,414	842	19,934	3,359	1,343	130,676	45,368	9,303	1,566	929	1,301	2,367	.256	.319	.388	.707
9	Cardinals	1,738	1,697	.506	3,441	116,926	14,709	30,408	5,494	946	2,209	13,780	11,456	621	19,647	3,777	1,498	131,573	44,421	8,649	1,552	1,018	1,240	2,432	.260	.327	.380	.707
10	Brewers	1,734	1,706	.504	3,441	118,297	16,207	31,599	5,743	781	3,039	15,284	11,067	782	18,153	2,465	1,251	132,495	48,021	9,563	1,232	1,117	890	2,530	.267	.331	.406	.737
11	Blue Jays	1,730	1,711	.503	3,444	118,221	15,664	31,063	5,895	876	3,284	14,753	10,820	968	19,391	2,574	1,189	131,890	48,562	10,055	863	1,018	778	2,577	.263	.327	.411	.738
12	Royals	1,728	1,706	.503	3,435	117,895	15,388	31,462	5,874	1,005	2,631	14,507	10,423	806	18,385	3,074	1,288	131,163	47,239	9,510	952	1,087	853	2,577	.267	.328	.401	.729
13	Giants	1,723	1,725	.500	3,448	116,957	14,892	29,708	5,091	740	2,975	13,946	11,753	765	21,343	2,526	1,359	132,176	45,204	8,806	1,799	902	1,379	2,342	.254	.324	.387	.710
14	White Sox	1,718	1,714	.501	3,438	117,197	15,801	31,066	5,409	824	3,028	14,887	11,229	772	17,959	2,475	1,178	131,570	47,207	9,261	1,243	1,129	914	2,664	.265	.330	.403	.733
15	Tigers	1,712	1,731	.497	3,444	117,788	16,430	30,801	5,368	731	3,723	15,505	12,613	806	20,645	2,161	1,192	133,170	48,800	9,822	930	1,033	784	2,545	.261	.334	.414	.749
16	Mets	1,712	1,724	.498	3,439	116,694	14,613	29,754	5,312	653	2,766	13,711	11,261	700	20,171	2,575	1,226	131,202	44,670	8,731	1,507	1,040	1,269	2,429	.255	.322	.383	.704
17	Athletics	1,699	1,746	.493	3,445	116,609	15,746	29,836	5,080	541	3,406	14,788	12,522	810	20,389	2,914	1,331	132,208	46,216	9,027	1,185	1,082	741	2,646	.256	.329	.396	.726
18	Rangers	1,697	1,740	.494	3,441	117,986	16,024	31,539	5,586	687	3,255	15,115	11,355	727	19,553	2,190	1,180	132,225	48,264	9,528	1,098	1,059	855	2,757	.267	.333	.409	.742
19	Angels	1,696	1,749	.492	3,445	117,562	15,673	30,768	5,202	597	3,154	14,687	11,670	823	19,347	1,970	1,184	132,400	46,626	8,953	1,374	971	830	2,802	.262	.330	.397	.727
20	Pirates	1,692	1,741	.493	3,438	117,031	14,694	30,320	5,676	886	2,544	13,809	10,878	767	19,868	2,938	1,335	131,441	45,400	9,106	1,674	1,091	1,310	2,399	.259	.323	.388	.711
21	Phillies	1,689	1,753	.491	3,446	117,255	14,870	30,205	5,485	848	2,712	13,935	11,782	771	20,785	2,572	1,065	132,212	45,522	9,045	1,398	1,006	1,244	2,497	.258	.327	.388	.715
22	Indians	1,683	1,747	.491	3,432	117,930	16,258	31,906	5,534	669	3,087	15,285	11,741	746	17,963	2,739	1,297	132,674	48,039	9,290	1,097	1,160	840	2,838	.271	.337	.407	.745
23	Padres	1,672	1,775	.485	3,449	117,082	14,168	29,995	4,986	729	2,481	13,210	11,059	642	19,965	2,788	1,308	131,417	43,882	8,196	1,705	929	1,370	2,579	.256	.321	.375	.696
24	Cubs	1,633	1,799	.476	3,438	117,860	14,887	30,568	5,301	796	3,030	13,985	10,460	636	20,209	2,371	1,149	131,398	46,551	9,127	1,492	950	1,166	2,445	.259	.321	.395	.716
25	Twins	1,606	1,835	.467	3,443	118,189	15,496	31,735	5,859	815	2,702	14,566	10,649	888	17,933	1,994	1,112	131,742	47,330	9,376	953	1,063	808	2,987	.269	.331	.400	.731