Jimmie Foxx had the best on-base percentage in the AL in 1929, with an on-base percentage of .463.

Interpreted as:

best obp with a minimum of 3.1 PA per team game by a player in the al in 1929

	NAME	OBP	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	AVG	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Jimmie Foxx J. Foxx	.463	1929	PHA	149	517	123	183	23	9	33	118	103	2	70	9	7	638	323	65	16	.354	.625	1.088	153	68.6	.480	176	66.1
2	Lou Gehrig L. Gehrig	.431	1929	NYY	154	553	127	166	32	10	35	125	122	5	68	4	3	692	323	77	12	.300	.584	1.015	148	56.2	.449	162	58.1
3	Babe Ruth B. Ruth	.430	1929	NYY	135	499	121	172	26	6	46	154	72	3	60	5	3	587	348	78	13	.345	.697	1.128	144	66.1	.486	185	67.7
4	Tony Lazzeri T. Lazzeri	.429	1929	NYY	147	545	101	193	37	11	18	106	68	4	45	9	10	635	306	66	18	.354	.561	.991	132	48.5	.443	158	50.2
5	Lew Fonseca L. Fonseca	.427	1929	CLE	148	566	97	209	44	15	6	103	50	7	23	19	11	643	301	65	20	.369	.532	.959	128	43.3	.432	144	38.2
6	Lu Blue L. Blue	.422	1929	SLA	151	573	111	168	40	10	6	61	126	2	32	12	6	712	246	56	11	.293	.429	.852	122	27.5	.399	122	21
7	Earle Combs E. Combs	.414	1929	NYY	142	586	119	202	33	15	3	65	69	0	32	12	7	666	274	51	11	.345	.468	.881	117	28.7	.404	134	30.5
8	Mickey Cochrane M. Cochrane	.412	1929	PHA	135	514	113	170	37	8	7	95	69	2	8	7	7	606	244	52	21	.331	.475	.887	107	27.1	.406	130	24.7
9	Harry Heilmann H. Heilmann	.412	1929	DET	125	453	86	156	41	7	15	120	50	2	39	5	6	519	256	63	14	.344	.565	.977	105	35.9	.435	145	31.8
10	Jimmy Dykes J. Dykes	.412	1929	PHA	119	401	76	131	34	6	13	79	51	7	25	8	3	476	216	53	17	.327	.539	.950	92	29.4	.426	143	27.6
11	Charlie Gehringer C. Gehringer	.405	1929	DET	155	634	131	215	45	19	13	106	64	6	19	27	10	715	337	77	11	.339	.532	.936	135	40.2	.419	136	34.6
12	Heinie Manush H. Manush	.401	1929	SLA	142	574	85	204	45	10	6	81	43	1	24	9	9	635	287	61	17	.355	.500	.901	113	29.4	.408	127	23.5
13	Earl Averill E. Averill	.398	1929	CLE	152	597	110	198	43	13	18	96	63	3	53	13	14	680	321	74	17	.332	.538	.936	127	37.3	.418	135	32
14	Al Simmons A. Simmons	.398	1929	PHA	143	581	114	212	41	9	34	157	31	1	38	4	3	629	373	84	16	.365	.642	1.040	137	53.9	.454	160	51.4
15	Max Bishop M. Bishop	.398	1929	PHA	129	475	102	110	19	6	3	36	128	3	44	1	4	616	150	28	10	.232	.316	.713	82	0.4	.354	98	-2
16	Dale Alexander D. Alexander	.397	1929	DET	155	626	110	215	43	15	25	137	56	0	63	5	9	700	363	83	18	.343	.580	.977	139	46.4	.431	143	40.9
17	Joe Judge J. Judge	.397	1929	WSH	143	543	83	171	35	8	6	71	73	1	33	12	5	638	240	49	21	.315	.442	.839	103	18.3	.387	119	16.7
18	Fred Schulte F. Schulte	.389	1929	SLA	121	446	63	137	24	5	3	71	59	1	44	8	3	520	180	32	14	.307	.404	.793	77	7.7	.370	104	2.9
19	Joe Cronin J. Cronin	.388	1929	WSH	145	494	72	139	29	8	8	61	85	1	37	5	9	601	208	45	21	.281	.421	.809	91	11.6	.376	112	10
20	Sam Rice S. Rice	.382	1929	WSH	150	616	119	199	39	10	1	62	55	4	9	16	8	694	261	50	19	.323	.424	.806	103	11.1	.372	110	9.3
21	Bing Miller B. Miller	.380	1929	PHA	147	556	84	184	32	16	8	93	40	4	25	24	10	613	272	56	13	.331	.489	.869	101	20	.392	121	17.6
22	Harry Rice H. Rice	.379	1929	DET	130	536	97	163	33	7	6	69	61	4	23	6	11	613	228	46	12	.304	.425	.805	91	9.6	.371	106	4.7
23	Roy Johnson R. Johnson	.379	1929	DET	148	640	128	201	45	14	10	69	67	0	60	20	16	713	304	69	6	.314	.475	.854	115	20.2	.386	115	14.6
24	Bibb Falk B. Falk	.374	1929	CLE	125	426	65	133	30	7	13	93	42	0	14	4	4	488	216	50	20	.312	.507	.881	82	17	.394	120	13.2
25	Buddy Myer B. Myer	.373	1929	WSH	141	563	80	169	29	10	3	82	63	2	33	19	7	639	227	42	11	.300	.403	.776	88	3.8	.360	103	2.2