what is the record for the most times on base in a season

The Atlanta Braves have a record of 11133-10970 all-time.

	TEAM	REC	SEAS	W%	G	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	Braves	11133-10970	150	.504	22,257	11,133	10,970	762,037	99,474	197,907	32,100	6,300	15,047	86,522	67,476	5,064	100,087	14,092	3,064	850,137	287,748	53,447	12,683	2,877	3,655	10,376	.260	.323	.378	.701
2	Cubs	11350-10785	150	.513	22,296	11,350	10,785	763,003	102,653	199,820	33,737	7,356	15,243	88,242	68,549	5,282	105,007	15,781	3,069	852,763	293,998	56,336	13,026	2,903	3,518	9,960	.262	.326	.385	.711
3	Reds	10954-10788	144	.504	21,881	10,954	10,788	745,554	98,188	194,245	32,368	7,557	14,314	87,334	66,698	5,505	102,228	18,161	3,404	833,622	284,669	54,239	12,662	3,035	3,646	9,711	.261	.325	.382	.707
4	Pirates	10853-10846	144	.500	21,839	10,853	10,846	748,071	97,143	196,901	32,343	8,933	12,247	86,652	64,298	5,528	99,536	15,678	3,268	833,694	283,851	53,523	12,559	3,115	3,698	10,048	.263	.325	.379	.704
5	Giants	11565-10036	143	.535	21,764	11,565	10,036	742,790	100,642	195,380	31,340	7,035	15,580	90,116	68,273	5,674	99,524	16,515	3,143	831,415	287,530	53,955	11,664	3,014	4,016	10,178	.263	.329	.387	.716
6	Phillies	10231-11342	143	.474	21,688	10,231	11,342	742,100	96,304	193,240	33,402	6,677	14,184	86,529	67,721	5,410	105,289	14,955	2,913	830,159	282,548	54,263	11,916	3,012	3,739	9,861	.260	.326	.381	.706
7	Dodgers	11459-10082	142	.532	21,680	11,459	10,082	738,713	97,872	193,009	31,046	7,006	14,119	88,094	68,872	5,146	100,304	17,339	3,550	828,638	280,424	52,171	12,773	3,058	3,732	9,936	.261	.327	.380	.707
8	Cardinals	10527-9989	134	.513	20,647	10,527	9,989	706,250	92,378	187,684	31,820	7,049	12,853	84,441	64,178	5,196	98,102	15,011	3,614	790,734	272,161	51,722	11,972	3,138	3,775	10,132	.266	.330	.385	.715
9	Red Sox	9977-9283	125	.518	19,343	9,977	9,283	662,020	90,337	176,656	33,109	5,598	14,593	83,773	66,788	4,801	95,503	9,630	2,548	747,542	264,740	53,300	10,595	3,338	2,997	11,544	.267	.337	.400	.737
10	White Sox	9606-9641	125	.499	19,350	9,606	9,641	655,174	84,050	170,118	28,194	5,550	12,278	77,258	62,079	5,247	92,020	13,619	3,482	738,086	246,246	46,022	12,367	3,219	2,461	10,516	.260	.327	.376	.703
11	Guardians	9875-9386	125	.513	19,352	9,875	9,386	659,592	87,497	174,622	31,137	5,496	13,912	80,862	62,603	4,832	94,543	11,905	3,386	741,843	258,487	50,545	11,462	3,354	2,544	10,522	.265	.331	.392	.723
12	Tigers	9702-9582	125	.503	19,377	9,702	9,582	660,781	88,984	174,581	29,574	6,295	14,570	81,942	65,530	4,442	96,665	11,289	2,936	744,868	260,455	50,439	11,009	3,106	2,446	10,713	.264	.333	.394	.727
13	Orioles	9135-10108	125	.475	19,353	9,135	10,108	657,365	83,563	169,625	29,314	4,911	14,425	77,259	63,266	4,472	98,276	10,542	2,779	738,734	252,036	48,650	10,531	3,100	2,575	10,837	.258	.326	.383	.709
14	Athletics	9350-9879	125	.486	19,316	9,350	9,879	654,729	85,261	168,536	29,185	5,332	14,132	78,565	64,487	4,730	98,963	12,102	3,205	737,731	250,781	48,649	10,682	3,103	2,269	10,611	.257	.327	.383	.710
15	Twins	9280-9975	125	.482	19,364	9,280	9,975	660,565	85,142	173,237	29,746	6,332	12,006	78,385	62,340	5,155	94,419	12,012	3,079	741,413	251,665	48,084	10,189	3,164	2,663	10,966	.262	.329	.381	.710
16	Yankees	10801-8165	123	.569	19,054	10,801	8,165	649,413	92,602	172,416	28,624	5,493	17,311	86,044	68,561	4,927	94,779	11,646	2,800	735,777	263,959	51,428	9,595	3,281	2,830	10,677	.265	.339	.406	.745
17	Angels	5037-5138	65	.495	10,178	5,037	5,138	345,318	44,028	88,351	15,270	1,810	9,202	41,428	32,292	2,819	62,659	6,044	3,099	386,735	134,847	26,282	3,537	2,769	2,483	7,871	.256	.322	.391	.713
18	Rangers	4838-5323	65	.476	10,167	4,838	5,323	347,090	45,750	89,537	15,959	1,891	10,188	43,228	32,868	2,697	65,115	5,936	2,846	388,448	139,842	28,038	2,963	2,830	2,250	7,793	.258	.325	.403	.727
19	Astros	5029-4984	64	.502	10,018	5,029	4,984	339,983	42,729	86,669	15,895	2,172	8,414	40,213	32,334	2,896	62,865	7,147	3,130	381,955	132,150	26,481	4,030	2,712	3,144	7,400	.255	.323	.389	.711
20	Mets	4842-5163	64	.484	10,013	4,842	5,163	338,784	41,325	84,663	15,123	1,817	8,577	38,911	32,382	2,856	64,899	5,881	2,734	380,625	129,151	25,517	3,987	2,616	3,137	7,454	.250	.318	.381	.700
21	Royals	4232-4641	57	.477	8,875	4,232	4,641	303,566	38,816	79,719	14,902	2,286	6,999	36,633	25,986	2,456	52,082	7,087	2,894	337,043	120,190	24,187	2,368	2,667	1,866	6,776	.263	.323	.396	.719
22	Nationals	4282-4593	57	.482	8,879	4,282	4,593	300,303	37,191	76,198	14,696	1,788	7,595	34,955	28,239	2,620	57,128	6,543	2,772	337,324	117,255	24,079	3,878	2,284	2,880	6,494	.254	.321	.390	.712
23	Padres	4152-4731	57	.467	8,885	4,152	4,731	300,373	36,026	74,917	13,258	1,758	7,254	33,879	28,594	2,124	59,410	6,001	2,603	337,047	113,453	22,270	3,709	2,247	2,685	6,497	.249	.317	.378	.695
24	Brewers	4328-4551	57	.487	8,883	4,328	4,551	301,529	39,489	77,209	14,390	1,755	8,700	37,411	29,017	2,707	58,853	5,973	2,729	338,828	121,209	24,845	3,161	2,414	2,158	6,608	.256	.325	.402	.727
25	Mariners	3621-3967	49	.477	7,590	3,621	3,967	258,911	33,710	66,538	12,410	1,258	7,718	32,023	24,548	2,348	49,647	5,019	2,168	289,827	104,618	21,386	1,945	2,075	1,664	5,674	.257	.325	.404	.729