Lou Gehrig had the highest on-base percentage in the AL in 1934, with an on-base percentage of .465.

Interpreted as:

highest obp with a minimum of 3.1 PA per team game by an al player in 1934

	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	Lou Gehrig L. Gehrig	.465	1934	NYY	154	579	128	210	40	6	49	166	109	2	31	9	5	690	409	95	0	.363	.706	1.172	182	94.8	.511	194	90.9
2	Charlie Gehringer C. Gehringer	.450	1934	DET	154	601	135	214	50	7	11	127	99	3	25	11	8	708	311	68	5	.356	.517	.967	147	57.9	.442	150	49.4
3	Jimmie Foxx J. Foxx	.449	1934	PHA	150	539	120	180	28	6	44	130	111	1	75	11	2	652	352	78	1	.334	.653	1.102	157	75.5	.484	171	64.4
4	Mickey Cochrane M. Cochrane	.428	1934	DET	129	437	74	140	32	1	2	75	78	4	26	8	4	524	180	35	5	.320	.412	.840	89	23.6	.397	124	17.4
5	Buddy Myer B. Myer	.419	1934	WSH	139	524	103	160	33	8	3	57	102	1	32	6	6	636	218	44	9	.305	.416	.835	107	26.7	.393	122	19.9
6	Earl Averill E. Averill	.414	1934	CLE	154	598	128	187	48	6	31	113	99	4	44	5	3	702	340	85	1	.313	.569	.982	144	55.5	.439	144	43.6
7	Hank Greenberg H. Greenberg	.404	1934	DET	153	593	118	201	63	7	26	139	63	2	93	9	5	667	356	96	9	.339	.600	1.005	140	56.3	.446	152	48.3
8	Al Simmons A. Simmons	.403	1934	CWS	138	558	102	192	36	7	18	104	53	2	58	3	2	613	296	61	0	.344	.530	.933	117	39.7	.422	136	30.9
9	Sam West S. West	.403	1934	SLA	122	482	90	157	22	10	9	55	62	0	55	3	5	554	226	41	10	.326	.469	.871	96	26.2	.400	117	13.4
10	Billy Werber B. Werber	.397	1934	BSA	152	623	129	200	41	10	11	67	77	1	37	40	15	716	294	62	15	.321	.472	.868	123	32.6	.398	120	19.6
11	John Stone J. Stone	.395	1934	WSH	113	419	77	132	28	7	7	67	52	3	26	1	2	483	195	42	9	.315	.465	.860	81	20.8	.395	123	15.6
12	Pinky Higgins P. Higgins	.392	1934	PHA	144	543	89	179	37	6	16	90	56	0	70	9	2	606	276	59	7	.330	.508	.901	109	32.6	.408	126	22.3
13	Heinie Manush H. Manush	.392	1934	WSH	137	556	88	194	42	11	11	89	36	3	23	7	3	605	291	64	10	.349	.523	.915	111	34.8	.413	133	28.4
14	Rick Ferrell R. Ferrell	.390	1934	BSA	132	437	50	130	29	4	1	48	66	0	20	0	0	507	170	34	4	.297	.389	.779	74	10.5	.367	102	1.3
15	Hal Trosky Sr. H. Trosky Sr.	.388	1934	CLE	154	625	117	206	45	9	35	142	58	2	49	2	2	685	374	89	0	.330	.598	.987	139	52.9	.437	143	41.2
16	Marv Owen M. Owen	.385	1934	DET	154	565	80	179	34	9	8	98	59	4	37	3	3	637	255	51	9	.317	.451	.837	102	22.2	.385	116	14.6
17	Evar Swanson E. Swanson	.385	1934	CWS	117	426	71	127	9	5	0	34	59	1	31	10	3	492	146	14	6	.298	.343	.727	65	3	.349	94	-4.1
18	Luke Appling L. Appling	.384	1934	CWS	118	452	75	137	28	6	2	61	59	0	27	3	1	516	183	36	5	.303	.405	.788	76	11.2	.368	105	3.7
19	Ben Chapman B. Chapman	.381	1934	NYY	149	588	82	181	21	13	5	86	67	3	68	26	16	666	243	39	8	.308	.413	.795	99	15.1	.370	112	11.3
20	Zeke Bonura Z. Bonura	.380	1934	CWS	127	510	86	154	35	4	27	110	64	0	31	0	2	575	278	66	1	.302	.545	.925	106	33.5	.414	131	25.2
21	Roy Johnson R. Johnson	.379	1934	BSA	143	569	85	182	43	10	7	119	54	0	36	11	5	626	266	60	3	.320	.467	.846	101	22.5	.386	113	11.1
22	Bob Johnson B. Johnson	.375	1934	PHA	141	547	111	168	26	6	34	92	58	1	60	12	8	609	308	66	3	.307	.563	.938	114	37.2	.417	132	26.9
23	Billy Rogell B. Rogell	.374	1934	DET	154	592	115	175	32	8	3	99	74	0	36	13	3	679	232	43	13	.296	.392	.766	95	9.3	.359	101	1.2
24	Goose Goslin G. Goslin	.373	1934	DET	151	614	106	187	38	7	13	100	65	2	38	5	4	686	278	58	5	.305	.453	.826	107	20.4	.378	113	12.2
25	Tony Lazzeri T. Lazzeri	.369	1934	NYY	123	438	59	117	24	6	14	67	71	0	64	11	1	514	195	44	5	.267	.445	.815	78	13.7	.375	115	10.8