Ken Griffey Jr. had an on-base percentage of .370 in his career.

	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	Ken Griffey Jr. K. Griffey Jr.	.329	1989	SEA	127	455	61	120	23	0	16	61	44	2	83	16	7	506	191	39	1	4	8	4	.264	.420	.748	62	7.4	.333	105	3
2	Ken Griffey Jr. K. Griffey Jr.	.366	1990	SEA	155	597	91	179	28	7	22	80	63	2	81	16	11	666	287	57	0	4	12	12	.300	.481	.847	102	27.3	.372	132	24.3
3	Ken Griffey Jr. K. Griffey Jr.	.399	1991	SEA	154	548	76	179	42	1	22	100	71	1	82	18	6	633	289	65	4	9	21	10	.327	.527	.926	111	39.6	.399	147	35.5
4	Ken Griffey Jr. K. Griffey Jr.	.361	1992	SEA	142	565	83	174	39	4	27	103	44	5	67	10	5	617	302	70	0	3	15	15	.308	.535	.896	101	34.7	.391	146	31.7
5	Ken Griffey Jr. K. Griffey Jr.	.408	1993	SEA	156	582	113	180	38	3	45	109	96	6	91	17	9	691	359	86	0	7	25	14	.309	.617	1.025	140	57.7	.430	164	54.4
6	Ken Griffey Jr. K. Griffey Jr.	.402	1994	SEA	111	433	94	140	24	4	40	90	56	2	73	11	3	493	292	68	0	2	19	9	.323	.674	1.076	107	44.6	.440	164	41.7
7	Ken Griffey Jr. K. Griffey Jr.	.379	1995	SEA	72	260	52	67	7	0	17	42	52	0	53	4	2	314	125	24	0	2	6	4	.258	.481	.860	50	10.5	.373	121	8.6
8	Ken Griffey Jr. K. Griffey Jr.	.392	1996	SEA	140	545	125	165	26	2	49	140	78	7	104	16	1	638	342	77	1	7	13	7	.303	.628	1.020	130	47.5	.423	147	41.2
9	Ken Griffey Jr. K. Griffey Jr.	.382	1997	SEA	157	608	125	185	34	3	56	147	76	8	121	15	4	704	393	93	0	12	23	12	.304	.646	1.028	139	52.2	.421	155	49
10	Ken Griffey Jr. K. Griffey Jr.	.365	1998	SEA	161	633	120	180	33	3	56	146	76	7	121	20	5	720	387	92	0	4	11	14	.284	.611	.977	135	46	.408	145	41.8
11	Ken Griffey Jr. K. Griffey Jr.	.384	1999	SEA	160	606	123	173	26	3	48	134	91	7	108	24	7	706	349	77	0	2	17	8	.285	.576	.960	129	37.1	.401	141	38.3
12	Ken Griffey Jr. K. Griffey Jr.	.387	2000	CIN	145	520	100	141	22	3	40	118	94	9	117	6	4	631	289	65	0	8	17	7	.271	.556	.942	111	28.2	.392	127	23.5
13	Ken Griffey Jr. K. Griffey Jr.	.365	2001	CIN	111	364	57	104	20	2	22	65	44	4	72	2	0	417	194	44	1	4	6	8	.286	.533	.898	69	17.5	.377	125	13.7
14	Ken Griffey Jr. K. Griffey Jr.	.358	2002	CIN	70	197	17	52	8	0	8	23	28	3	39	1	2	232	84	16	0	4	6	6	.264	.426	.784	30	2	.336	101	0.3
15	Ken Griffey Jr. K. Griffey Jr.	.370	2003	CIN	53	166	34	41	12	1	13	26	27	6	44	1	0	201	94	26	1	1	5	3	.247	.566	.936	35	10.3	.389	135	8.9
16	Ken Griffey Jr. K. Griffey Jr.	.351	2004	CIN	83	300	49	76	18	0	20	60	44	2	67	1	0	348	154	38	0	2	3	8	.253	.513	.864	54	10.6	.366	119	8.5
17	Ken Griffey Jr. K. Griffey Jr.	.369	2005	CIN	128	491	85	148	30	0	35	92	54	3	93	0	1	555	283	65	0	7	3	9	.301	.576	.946	100	33.5	.399	142	29.6
18	Ken Griffey Jr. K. Griffey Jr.	.316	2006	CIN	109	428	62	108	19	0	27	72	39	2	78	0	0	472	208	46	0	3	6	13	.252	.486	.802	61	2	.336	97	-1.7
19	Ken Griffey Jr. K. Griffey Jr.	.372	2007	CIN	144	528	78	146	24	1	30	93	85	1	99	6	1	623	262	55	0	9	14	14	.277	.496	.869	97	19.6	.368	116	12.6
20	Ken Griffey Jr. K. Griffey Jr.	.353	2008	TOT	143	490	67	122	30	1	18	71	78	3	89	0	1	575	208	49	0	4	14	13	.249	.424	.778	73	3.9	.336	99	-1
21	Ken Griffey Jr. K. Griffey Jr.	.324	2009	SEA	117	387	44	83	19	0	19	57	63	1	80	0	0	454	159	38	0	3	2	6	.214	.411	.735	53	-1.7	.324	97	-1.8
22	Ken Griffey Jr. K. Griffey Jr.	.250	2010	SEA	33	98	6	18	2	0	0	7	9	0	17	0	0	108	20	2	0	1	0	3	.184	.204	.454	3	-9.2	.215	31	-8.7
	Total	.370			2,671	9,801	1,662	2,781	524	38	630	1,836	1,312	81	1,779	184	69	11,304	5,271	1,192	8	102	246	199	.284	.538	.907	1892	521.1	.384	132	453.4