The Philadelphia Athletics have the most at-bats per game by a team, with 39.78.

Interpreted as:

MLB team longest average at bat per game

	TEAM	AB/G	AB	G	W%	W	L	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	PA	TB	XBH	AVG	OBP	SLG	OPS
1	Athletics	39.78	2,387	60	.237	14	45	378	646	79	35	7	249	27		36		2,414	816	121	.271		.342
2	Dark Blues	38.93	5,022	129	.619	78	48	770	1,348	159	53	6		69				5,091	1,631	218	.268		.325
3	Mutuals	38.25	2,180	57	.375	21	35	260	494	39	15	2	161	18		35		2,198	569	56	.227		.261
4	Grays	37.88	4,925	130	.516	65	61	619	1,300	143	50	15		82				5,007	1,588	208	.264		.322
5	Keystones	37.58	2,518	67	.313	21	46	414	618	108	35	7		103		405		2,621	817	150	.245		.324
6	Brown Stockings	37.55	4,656	124	.589	73	51	670	1,173	124	63	3		116				4,772	1,432	190	.252		.308
7	Giants	37.22	4,913	132	.565	74	57	1,018	1,393	204	97	66	793	486	31	364	231	5,430	1,989	367	.284	.352	.405	.757
8	Athletics	36.78	4,855	132	.519	68	63	941	1,350	187	113	49	761	431	51	321	203	5,337	1,910	349	.278	.343	.393	.737
9	Stars	36.77	2,611	71	.314	22	48	276	592	61	19	5	188	28		238		2,639	706	85	.227		.270
10	Ward's Wonders	36.74	4,887	133	.576	76	56	964	1,352	186	93	34	748	502	42	369	272	5,431	1,826	313	.277	.349	.374	.723
11	Reds	36.69	12,768	348	.365	125	217	1,643	3,191	408	157	30		318				13,086	4,003	595	.250		.314
12	Infants	36.67	4,804	131	.423	55	75	849	1,370	213	94	27	701	509	49	345	180	5,362	1,852	334	.285	.360	.386	.745
13	Grays	36.65	26,572	725	.612	438	278	4,037	6,764	1,084	341	98	292	1,192				27,764	8,824	1,523	.255		.332
14	Monumentals	36.63	3,883	106	.552	58	47	662	952	150	26	17		144		652		4,027	1,205	193	.245		.310
15	Blues	36.51	2,300	63	.400	24	36	293	542	76	15	3	197	64		197		2,364	657	94	.236		.286
16	Bisons	36.34	23,841	656	.485	314	333	3,474	6,194	1,008	366	105	365	933				24,774	8,249	1,479	.260		.346
17	Grays	36.26	2,212	61	.250	15	45	256	552	65	20	2	177	69		214		2,281	663	87	.250		.300
18	Trojans	36.22	11,951	330	.412	134	191	1,542	2,929	456	151	26		414				12,365	3,765	633	.245		.315
19	Ruby Legs	36.12	9,101	252	.361	90	159	1,201	2,169	352	140	31		315				9,416	2,894	523	.238		.318
20	Outlaw Reds	36.06	3,786	105	.657	69	36	703	1,027	118	63	26		147		482		3,933	1,349	207	.271		.356
21	Pirates	36	4,968	138	.547	75	62	886	1,311	200	95	31	705	492	43	410	276	5,503	1,794	326	.264	.335	.361	.697
22	Wolverines	35.96	31,647	880	.494	426	437	4,849	8,116	1,241	537	264	2,412	1,880	84		654	33,611	11,223	2,042	.256	.300	.355	.655
23	Mountain City	35.96	899	25	.240	6	19	90	223	30	6	2		22		130		921	271	38	.248		.301
24	Bisons	35.78	4,795	134	.273	36	96	793	1,249	180	64	20	630	541	96	367	160	5,432	1,617	264	.260	.347	.337	.684
25	Burghers	35.76	4,577	128	.469	60	68	835	1,192	168	113	35	652	569	54	375	249	5,200	1,691	316	.260	.349	.369	.718