most ls in extra innings by a team all-time

The Chicago Cubs have lost the most games by a team in extra innings, with 3,577 losses.

Interpreted as:

most regular-season ls in extra innings by a team all-time

	TEAM	L	W	L%	G	W%	AB	H	2B	3B	HR	RBI	BB	HBP	SO	PA	TB	XBH	SH	SF	IBB	AVG	OBP	SLG	OPS
1	Cubs	3,577	3,663	.494	764	.506	6,056	1,495	209	25	120	670	916	47	1,320	7,269	2,114	354	197	53	316	.247	.348	.349	.697
2	Dodgers	3,525	3,697	.488	800	.512	6,039	1,547	211	34	153	740	895	46	1,194	7,238	2,285	398	199	58	294	.256	.354	.378	.732
3	Astros	3,516	3,467	.504	778	.496	5,822	1,456	228	28	121	643	863	47	1,194	6,989	2,103	377	205	51	317	.250	.349	.361	.710
4	Padres	3,504	3,699	.486	789	.514	6,040	1,520	214	22	131	698	899	46	1,267	7,227	2,171	367	194	46	314	.252	.351	.359	.710
5	Mets	3,415	3,572	.489	777	.511	5,897	1,478	208	22	156	673	822	55	1,187	6,991	2,198	386	178	38	267	.251	.346	.373	.718
6	Pirates	3,328	3,864	.463	771	.537	6,073	1,542	242	36	127	706	826	56	1,228	7,198	2,237	405	193	47	318	.254	.346	.368	.715
7	Nationals	3,275	3,626	.475	769	.525	5,819	1,452	238	29	121	676	803	49	1,208	6,910	2,111	388	201	38	266	.250	.343	.363	.706
8	Giants	3,230	4,033	.445	822	.555	6,070	1,592	247	32	151	808	874	62	1,285	7,265	2,356	430	199	58	292	.262	.358	.388	.746
9	Cardinals	3,220	3,746	.462	762	.538	5,827	1,535	223	30	141	721	839	51	1,193	6,979	2,241	394	197	60	284	.263	.358	.385	.742
10	Brewers	3,187	3,036	.512	718	.488	5,160	1,276	189	27	114	628	783	57	1,146	6,223	1,861	330	179	42	235	.247	.350	.361	.711
11	Braves	3,154	3,231	.494	773	.506	5,367	1,331	212	18	146	678	793	46	1,163	6,406	2,017	376	160	40	248	.248	.347	.376	.723
12	Guardians	3,114	3,227	.491	716	.509	5,329	1,352	220	23	136	666	747	49	1,097	6,341	2,026	379	170	46	254	.254	.348	.380	.728
13	Red Sox	3,041	3,308	.479	712	.521	5,332	1,394	228	19	136	709	742	71	1,098	6,349	2,068	383	147	56	228	.261	.356	.388	.744
14	Reds	3,000	3,699	.448	767	.552	5,569	1,491	230	33	154	748	840	43	1,224	6,704	2,249	417	206	45	269	.268	.365	.404	.769
15	White Sox	2,946	2,999	.496	699	.504	5,044	1,326	202	30	121	659	661	43	1,023	5,948	1,951	353	157	43	215	.263	.351	.387	.737
16	Blue Jays	2,930	2,821	.509	688	.491	4,869	1,236	195	24	130	600	674	45	965	5,751	1,869	349	124	38	180	.254	.347	.384	.731
17	Phillies	2,816	3,956	.416	782	.584	5,597	1,452	250	32	128	706	880	61	1,119	6,778	2,150	410	179	58	306	.259	.363	.384	.747
18	Tigers	2,792	2,893	.491	679	.509	4,847	1,222	193	24	130	627	642	37	1,030	5,703	1,853	347	147	28	186	.252	.342	.382	.725
19	Angels	2,769	3,219	.462	703	.538	5,051	1,257	180	23	122	601	671	43	975	5,991	1,849	325	191	34	226	.249	.340	.366	.706
20	Athletics	2,742	3,650	.429	722	.571	5,348	1,376	208	21	134	670	801	51	1,172	6,392	2,028	363	155	35	214	.257	.357	.379	.737
21	Yankees	2,734	3,219	.459	669	.541	4,955	1,255	190	11	148	655	753	64	983	5,977	1,911	349	154	50	238	.253	.356	.386	.742
22	Rangers	2,717	3,019	.474	672	.526	4,815	1,283	179	20	130	656	692	36	954	5,736	1,892	329	147	46	212	.266	.360	.393	.753
23	Twins	2,701	3,174	.460	714	.540	4,967	1,291	223	29	116	656	681	50	1,003	5,875	1,920	368	125	50	219	.260	.352	.387	.738
24	Mariners	2,695	2,965	.476	670	.524	4,742	1,212	206	11	129	614	679	43	1,011	5,675	1,827	346	166	43	202	.256	.351	.385	.736
25	Orioles	2,467	3,440	.418	691	.582	4,993	1,297	192	11	153	699	683	41	992	5,928	1,970	356	156	54	222	.260	.350	.395	.745