The San Francisco Giants had the most walks by a team in 2004, with 705 bases on balls.

	TEAM	BB	SEASON	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Giants	705	2004	162	.562	91	71	5,546	850	1,500	314	33	183	805	72	874	43	23	6,466	2,429	530	92	51	153	142	.270	.357	.438	.795
2	Yankees	670	2004	162	.623	101	61	5,527	897	1,483	281	20	242	863	80	982	84	33	6,364	2,530	543	37	50	40	157	.268	.353	.458	.811
3	Red Sox	659	2004	162	.605	98	64	5,720	949	1,613	373	25	222	912	69	1,189	68	30	6,515	2,702	620	12	55	39	123	.282	.360	.472	.832
4	Phillies	645	2004	162	.531	86	76	5,643	840	1,505	303	23	215	802	58	1,133	100	27	6,456	2,499	541	64	46	60	123	.267	.345	.443	.788
5	Athletics	608	2004	162	.562	91	71	5,728	793	1,545	336	15	189	752	55	1,061	47	22	6,459	2,478	540	25	43	40	142	.270	.343	.433	.776
6	Indians	606	2004	162	.494	80	82	5,676	858	1,565	345	29	184	820	78	1,009	94	55	6,449	2,520	558	47	42	41	143	.276	.351	.444	.795
7	Reds	599	2004	162	.469	76	86	5,518	750	1,380	287	28	194	713	81	1,335	77	25	6,278	2,305	509	55	25	38	125	.250	.331	.418	.749
8	Astros	590	2004	162	.568	92	70	5,468	803	1,458	294	36	187	756	61	999	89	30	6,269	2,385	517	98	52	54	128	.267	.342	.436	.778
9	Braves	587	2004	162	.593	96	66	5,570	803	1,503	304	37	178	767	59	1,158	86	32	6,339	2,415	519	75	48	51	123	.270	.343	.434	.777
10	Rockies	568	2004	162	.420	68	94	5,577	833	1,531	331	34	202	795	54	1,181	44	33	6,333	2,536	567	97	37	51	132	.275	.345	.455	.800
11	Padres	566	2004	162	.537	87	75	5,573	768	1,521	304	32	139	722	56	910	52	25	6,313	2,306	475	52	66	45	128	.273	.342	.414	.756
12	Cardinals	548	2004	162	.648	105	57	5,555	855	1,544	319	24	214	817	51	1,085	111	47	6,297	2,553	557	73	70	64	121	.278	.344	.460	.804
13	Brewers	540	2004	161	.416	67	94	5,483	634	1,358	295	32	135	601	68	1,312	138	40	6,187	2,122	462	56	40	49	120	.248	.321	.387	.708
14	Dodgers	536	2004	162	.574	93	69	5,542	761	1,450	226	30	203	731	62	1,092	102	41	6,244	2,345	459	69	35	45	121	.262	.332	.423	.755
15	Orioles	528	2004	162	.481	78	84	5,736	842	1,614	319	18	169	803	57	949	101	41	6,429	2,476	506	46	62	34	126	.281	.345	.432	.776
16	Tigers	518	2004	162	.444	72	90	5,623	827	1,531	284	54	201	800	50	1,144	86	50	6,284	2,526	539	50	43	32	110	.272	.337	.449	.786
17	Twins	513	2004	162	.568	92	70	5,623	780	1,494	310	24	191	735	64	982	116	46	6,286	2,425	525	46	40	42	130	.266	.332	.431	.763
18	Blue Jays	513	2004	161	.416	67	94	5,531	719	1,438	290	34	145	680	71	1,083	58	31	6,177	2,231	469	20	42	25	139	.260	.328	.403	.732
19	Mets	512	2004	162	.438	71	91	5,532	684	1,376	289	20	185	658	61	1,159	107	23	6,208	2,260	494	69	34	54	129	.249	.317	.409	.726
20	Rangers	500	2004	162	.549	89	73	5,615	860	1,492	323	34	227	825	61	1,099	69	36	6,256	2,564	584	23	57	41	91	.266	.329	.457	.786
21	White Sox	499	2004	162	.512	83	79	5,534	865	1,481	284	19	242	823	63	1,030	78	51	6,196	2,529	545	58	42	25	119	.268	.333	.457	.790
22	Marlins	499	2004	162	.512	83	79	5,486	718	1,447	275	32	148	677	58	968	96	43	6,160	2,230	455	77	40	37	142	.264	.329	.406	.736
23	Expos	496	2004	162	.414	67	95	5,474	635	1,361	276	27	151	605	35	925	109	38	6,138	2,144	454	100	33	51	115	.249	.313	.392	.705
24	Mariners	492	2004	162	.389	63	99	5,722	698	1,544	276	20	136	658	54	1,058	110	42	6,362	2,268	432	46	48	49	131	.270	.331	.396	.727
25	Cubs	489	2004	162	.549	89	73	5,628	789	1,508	308	29	235	755	38	1,080	66	28	6,281	2,579	572	78	48	46	120	.268	.328	.458	.786