what is the most xbh by a team in a single season in mlb history

The Boston Red Sox have the most extra-base hits by a team in a season, with 649 XBH in 2003.

	TEAM	XBH	SEASON	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Red Sox	649	2003	162	.586	95	67	5,769	961	1,667	371	40	238	932	620	53	943	88	35	6,530	2,832	24	64	61	126	.289	.360	.491	.851
2	Twins	648	2019	162	.623	101	61	5,732	939	1,547	318	23	307	906	525	81	1,334	28	21	6,389	2,832	10	41	21	101	.270	.338	.494	.832
3	Astros	639	2019	162	.660	107	55	5,613	920	1,538	323	28	288	891	645	66	1,166	67	27	6,391	2,781	10	57	17	146	.274	.352	.495	.848
4	Braves	623	2023	162	.642	104	58	5,597	947	1,543	293	23	307	916	538	67	1,289	132	27	6,247	2,803	2	43	20	128	.276	.344	.501	.845
5	Red Sox	620	2004	162	.605	98	64	5,720	949	1,613	373	25	222	912	659	69	1,189	68	30	6,515	2,702	12	55	39	123	.282	.360	.472	.832
6	Red Sox	617	2019	162	.519	84	78	5,770	901	1,554	345	27	245	857	590	49	1,382	68	30	6,473	2,688	20	44	36	127	.269	.340	.466	.806
7	Yankees	613	2019	162	.636	103	59	5,583	943	1,493	290	17	306	904	569	49	1,437	55	22	6,244	2,735	10	33	18	113	.267	.339	.490	.829
8	Mariners	607	1996	161	.528	85	76	5,668	993	1,625	343	19	245	954	670	75	1,052	90	39	6,517	2,741	46	58	57	121	.287	.366	.484	.850
9	Rangers	605	2008	162	.488	79	83	5,728	901	1,619	376	35	194	867	595	63	1,207	81	25	6,477	2,647	37	54	43	117	.283	.354	.462	.816
10	Astros	604	2017	162	.623	101	61	5,611	896	1,581	346	20	238	854	509	70	1,087	98	42	6,262	2,681	11	61	27	139	.282	.346	.478	.823
11	Dodgers	601	2019	162	.654	106	56	5,493	886	1,414	302	20	279	861	607	81	1,356	57	10	6,281	2,593	55	45	47	100	.257	.338	.472	.810
12	Rangers	600	2005	162	.488	79	83	5,716	865	1,528	311	29	260	834	495	48	1,112	67	15	6,300	2,677	9	32	20	123	.267	.329	.468	.798
13	Rockies	598	2001	162	.451	73	89	5,690	923	1,663	324	61	213	874	511	61	1,027	132	54	6,393	2,748	81	50	50	116	.292	.354	.483	.837
14	Blue Jays	597	2010	162	.525	85	77	5,495	755	1,364	319	21	257	732	471	55	1,164	58	20	6,071	2,496	16	34	25	114	.248	.312	.454	.766
15	Mariners	597	1997	162	.556	90	72	5,614	925	1,574	312	21	264	890	626	49	1,110	89	40	6,384	2,720	46	49	53	146	.280	.355	.485	.839
16	Rangers	595	2001	162	.451	73	89	5,685	890	1,566	326	23	246	844	548	75	1,093	97	32	6,388	2,676	25	55	27	131	.275	.344	.471	.815
17	Red Sox	594	2018	162	.667	108	54	5,623	876	1,509	355	31	208	829	569	55	1,253	125	31	6,302	2,550	7	48	38	130	.268	.339	.453	.792
18	Blue Jays	593	2000	162	.512	83	79	5,677	861	1,562	328	21	244	826	526	60	1,026	89	34	6,326	2,664	29	34	32	130	.275	.341	.469	.810
19	Red Sox	591	2010	162	.549	89	73	5,646	818	1,511	358	22	211	782	587	47	1,140	68	17	6,355	2,546	29	46	43	130	.268	.339	.451	.790
20	Red Sox	590	2011	162	.556	90	72	5,710	875	1,600	352	35	203	842	578	50	1,108	102	42	6,410	2,631	22	50	52	136	.280	.349	.461	.810
21	Yankees	590	2009	162	.636	103	59	5,660	915	1,604	325	21	244	881	663	54	1,014	111	28	6,447	2,703	31	39	35	144	.283	.362	.478	.839
22	Red Sox	590	1997	162	.481	78	84	5,781	851	1,684	373	32	185	810	514	59	1,044	68	48	6,430	2,676	21	55	54	155	.291	.352	.463	.815
23	Rockies	588	2019	162	.438	71	91	5,660	835	1,502	323	41	224	803	489	43	1,503	71	31	6,286	2,579	51	43	25	111	.265	.326	.456	.782
24	Braves	587	2003	162	.623	101	61	5,670	907	1,608	321	31	235	872	545	49	933	68	22	6,378	2,696	65	49	46	124	.284	.349	.475	.824
25	Orioles	585	1996	163	.543	88	74	5,689	949	1,557	299	29	257	914	645	61	915	76	40	6,493	2,685	31	67	49	134	.274	.350	.472	.822