Ted Williams had the best on-base percentage in 1958, with an on-base percentage of .458.

Interpreted as:

best obp with a minimum of 3.1 PA per team game by an MLB player 1958

	NAME	OBP	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Ted Williams T. Williams	.458	1958	BOS	129	411	81	135	23	2	26	85	98	4	49	1	0	517	240	51	0	4	12	19	.328	.584	1.042	110	52.2	.449	179	47.5
2	Mickey Mantle M. Mantle	.443	1958	NYY	150	519	127	158	21	1	42	97	129	2	120	18	3	654	307	64	2	2	13	11	.304	.592	1.035	138	64.5	.446	187	65.8
3	Richie Ashburn R. Ashburn	.440	1958	PHI	152	615	98	215	24	13	2	33	97	4	48	30	12	725	271	39	7	2	7	8	.350	.441	.881	124	42.7	.395	138	34.1
4	Stan Musial S. Musial	.423	1958	STL	135	472	64	159	35	2	17	62	72	1	26	0	0	549	249	54	0	4	26	19	.337	.528	.950	98	36.5	.405	141	28.1
5	Willie Mays W. Mays	.419	1958	SFG	152	600	121	208	33	11	29	96	78	1	56	31	6	685	350	73	0	6	12	11	.347	.583	1.002	137	59.7	.431	162	53
6	Pete Runnels P. Runnels	.416	1958	BOS	147	568	103	183	32	5	8	59	87	6	49	1	2	666	249	45	2	3	0	15	.322	.438	.854	109	34.2	.386	136	28.1
7	Rocky Colavito R. Colavito	.405	1958	CLE	143	489	80	148	26	3	41	113	84	2	89	0	2	578	303	70	0	3	6	16	.303	.620	1.024	119	54	.439	180	53.3
8	Johnny Temple J. Temple	.405	1958	CIN	141	542	82	166	31	6	3	47	91	0	41	15	8	652	218	40	17	2	0	8	.306	.402	.807	98	24.3	.368	117	13.6
9	Jackie Jensen J. Jensen	.396	1958	BOS	154	548	83	157	31	0	35	122	99	3	65	9	4	655	293	66	1	4	7	13	.286	.535	.931	118	44	.406	150	38
10	Norm Siebern N. Siebern	.388	1958	NYY	134	460	79	138	19	5	14	55	66	1	87	5	8	533	209	38	4	2	3	7	.300	.454	.842	83	22.9	.375	139	24
11	Bob Skinner B. Skinner	.387	1958	PIT	144	529	93	170	33	9	13	70	58	2	55	12	4	596	260	55	2	5	7	11	.321	.491	.879	97	29.9	.384	133	24.1
12	Hank Aaron H. Aaron	.386	1958	MIL	153	601	109	196	34	4	30	95	59	1	49	4	1	664	328	68	0	3	16	21	.326	.546	.931	117	42.1	.401	149	40.1
13	Minnie Minoso M. Minoso	.383	1958	CLE	149	556	94	168	25	2	24	80	59	15	53	14	14	638	269	51	6	2	3	13	.302	.484	.867	104	32.2	.384	142	31.4
14	Gene Woodling G. Woodling	.378	1958	BAL	133	413	57	114	16	1	15	65	66	2	49	4	2	485	177	32	3	1	3	14	.276	.429	.806	71	16	.362	130	17
15	Al Kaline A. Kaline	.374	1958	DET	146	543	84	170	34	7	16	85	54	2	47	7	4	607	266	57	3	5	6	18	.313	.490	.864	96	27.4	.378	133	23.2
16	Harvey Kuenn H. Kuenn	.373	1958	DET	139	561	73	179	39	3	8	54	51	0	34	5	10	619	248	50	3	4	8	13	.319	.442	.815	89	19	.359	120	14.7
17	Harry Anderson H. Anderson	.373	1958	PHI	140	515	80	155	34	6	23	97	59	3	95	0	2	585	270	63	3	5	10	12	.301	.524	.897	97	30.8	.387	133	23.8
18	Bob Cerv B. Cerv	.371	1958	KCA	141	515	93	157	20	7	38	104	50	5	82	3	3	572	305	65	0	2	10	19	.305	.592	.963	106	41.5	.413	157	37.6
19	Lee Walls L. Walls	.370	1958	CHC	136	513	80	156	19	3	24	72	47	8	62	4	4	576	253	46	6	2	0	10	.304	.493	.863	93	28.1	.382	130	21.3
20	Sherm Lollar S. Lollar	.367	1958	CWS	127	421	53	115	16	0	20	84	57	8	37	2	1	491	191	36	1	4	3	12	.273	.454	.821	73	17.3	.365	129	16.7
21	Ernie Banks E. Banks	.366	1958	CHC	154	617	119	193	23	11	47	129	52	4	87	4	4	682	379	81	1	8	12	14	.313	.614	.980	128	51.5	.416	151	43.3
22	Eddie Yost E. Yost	.361	1958	WSH	134	406	55	91	16	0	8	37	81	9	43	3	6	503	131	24	1	6	2	9	.224	.323	.683	57	0	.320	95	-2.9
23	Ken Boyer K. Boyer	.360	1958	STL	150	570	101	175	21	9	23	90	49	3	53	11	6	631	283	53	1	8	8	15	.307	.496	.857	96	25.5	.372	120	15.8
24	Dale Long D. Long	.357	1958	CHC	142	480	68	130	26	4	20	75	66	2	64	2	0	554	224	50	0	6	9	15	.271	.467	.824	79	17	.359	115	10.4
25	Nellie Fox N. Fox	.357	1958	CWS	155	623	82	187	21	6	0	49	47	11	11	5	6	698	220	27	12	5	5	13	.300	.353	.710	79	0.5	.321	100	-0.4