player most obp 1945 to 1960, season, min 400 pa

Between the 1945 and 1960 seasons, Ted Williams had the best on-base percentage with 400+ plate appearances in a season, with an on-base percentage of .526 in 1957.

	NAME	OBP	PA	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Ted Williams T. Williams	.526	546	1957	BOS	132	420	96	163	28	1	38	87	119	5	43	0	1	307	67	0	2	33	11	.388	.731	1.257	148	87.3	.524	223	79
2	Ted Williams T. Williams	.513	526	1954	BOS	117	386	93	133	23	1	29	89	136	1	32	0	0	245	53	0	3		10	.345	.635	1.148	131	71.1	.507	207	65.5
3	Mickey Mantle M. Mantle	.512	623	1957	NYY	144	474	121	173	28	6	34	94	146	0	75	16	3	315	68	0	3	23	5	.365	.665	1.177	157	87.1	.498	217	86
4	Ted Williams T. Williams	.499	693	1947	BSA	156	528	125	181	40	9	32	114	162	2	47	0	1	335	81	1			10	.343	.634	1.133	170	91.3	.508	207	86.2
5	Ted Williams T. Williams	.497	672	1946	BSA	150	514	142	176	37	8	38	123	156	2	44	0	0	343	83	0			12	.342	.667	1.164	166	95.8	.525	214	87.5
6	Ted Williams T. Williams	.497	638	1948	BSA	137	509	124	188	44	3	25	127	126	3	41	4	0	313	72	0			10	.369	.615	1.112	156	81	.504	184	68.8
7	Ted Williams T. Williams	.496	417	1955	BOS	98	320	77	114	21	3	28	83	91	2	24	2	0	225	52	0	4	17	8	.356	.703	1.200	107	58.6	.505	201	51.8
8	Ted Williams T. Williams	.490	730	1949	BSA	155	566	150	194	39	3	43	159	162	2	48	1	1	368	85	0			22	.343	.650	1.141	182	95.5	.511	187	82.2
9	Ted Williams T. Williams	.479	503	1956	BOS	136	400	71	138	28	2	24	82	102	1	39	0	0	242	54	0	0	11	13	.345	.605	1.084	116	57.5	.470	175	47.8
10	Roy Cullenbine R. Cullenbine	.477	419	1946	DET	113	328	63	110	21	0	15	56	88	1	39	3	0	176	36	2			5	.335	.537	1.014	88	43.8	.473	182	39.1
11	Mickey Mantle M. Mantle	.464	652	1956	NYY	150	533	132	188	22	5	52	130	112	2	99	10	1	376	79	1	4	6	4	.353	.705	1.169	164	88.9	.498	202	84.6
12	Ted Williams T. Williams	.464	675	1951	BSA	148	531	109	169	28	4	30	126	144	0	45	1	1	295	62	0			10	.318	.556	1.019	146	66.5	.463	166	55.4
13	Eddie Stanky E. Stanky	.460	691	1950	NYG	152	527	115	158	25	5	8	51	144	12	50	9		217	38	8			8	.300	.412	.872	126	39.8	.417	141	36.8
14	Ted Williams T. Williams	.458	517	1958	BOS	129	411	81	135	23	2	26	85	98	4	49	1	0	240	51	0	4	12	19	.328	.584	1.042	110	52.2	.449	179	47.5
15	Joe Cunningham J. Cunningham	.453	556	1959	STL	144	458	65	158	28	6	7	60	88	5	47	2	6	219	41	2	3	9	9	.345	.478	.931	105	41.4	.414	145	31.3
16	Lou Boudreau L. Boudreau	.453	676	1948	CLE	152	560	116	199	34	6	18	106	98	2	9	3	2	299	58	16			15	.355	.534	.987	140	60	.455	166	57.5
17	Ralph Kiner R. Kiner	.452	670	1951	PIT	151	531	124	164	31	6	42	109	137	2	57	2	1	333	79	0			10	.309	.627	1.079	153	74.7	.479	179	65.8
18	Ted Williams T. Williams	.452	416	1950	BSA	89	334	82	106	24	1	28	97	82	0	21	3	0	216	53	0			12	.317	.647	1.099	98	46.2	.482	166	37.5
19	Ferris Fain F. Fain	.451	511	1951	PHA	117	425	63	146	30	3	6	57	80	3	20	0	3	200	39	3			10	.344	.471	.921	97	36.7	.428	150	31.8
20	Stan Musial S. Musial	.450	694	1948	SLN	155	611	135	230	46	18	39	131	79	3	34	7		429	103	1			18	.376	.702	1.152	174	92.3	.512	201	86.4
21	Phil Cavarretta P. Cavarretta	.449	586	1945	CHC	132	498	94	177	34	10	6	97	81	4	34	5		249	50	3			6	.355	.500	.949	114	50.3	.448	164	44.8
22	Joe Cunningham J. Cunningham	.449	424	1958	STL	131	337	61	105	20	3	12	57	82	3	23	4	4	167	35	1	1	3	9	.312	.496	.945	81	33.4	.421	151	27
23	Stan Musial S. Musial	.449	678	1951	SLN	152	578	124	205	30	12	32	108	98	1	40	4	5	355	74	1			6	.355	.614	1.063	153	73.6	.475	180	67.8
24	Augie Galan A. Galan	.449	491	1947	CIN	124	392	60	123	18	2	6	61	94	2	19	0		163	26	3			5	.314	.416	.865	85	29.1	.413	138	23.5
25	Richie Ashburn R. Ashburn	.449	644	1955	PHI	140	533	91	180	32	9	3	42	105	3	36	12	10	239	44	2	1	5	3	.338	.448	.897	117	41.6	.409	147	37.7