since 1960 minimum 50 abs highest obp-avg in their age 20 season

Since 1960, Dave Nicholson has the highest on-base percentage - batting average by a 20-year-old player with 50+ at-bats in a season, with 0.12 in his rookie season in 1960.

Interpreted as:

since 1960 minimum 50 abs highest obp-avg by a player in their age 20 season

	NAME	OBP-AVG	AB	AGE	OBP	AVG	SEASON	TM	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	SLG	OPS	WRC	WRAA	WOBA	WRC+	BRAA
1	Dave Nicholson D. Nicholson	0.12	113	20	.308	.186	1960	BAL	54	17	21	1	1	5	11	20	0	55	0	2	133	39	7	0	0	0	2	.345	.653	13	-1.6	.303	87	-2.2
2	Dick Simpson D. Simpson	0.12	50	20	.259	.140	1964	LAA	21	11	7	1	0	2	4	8	0	15	2	2	58	14	3	0	0	0	1	.280	.539	4	-2.3	.254	62	-2.6
3	Juan Soto J. Soto	0.12	542	20	.401	.282	2019	WSH	150	110	153	32	5	34	110	108	3	132	12	1	659	297	71	0	6	3	11	.548	.949	125	42.2	.394	143	37.3
4	Jason Heyward J. Heyward	0.12	520	20	.393	.277	2010	ATL	142	83	144	29	5	18	72	91	10	128	11	6	623	237	52	0	2	2	13	.456	.849	100	28	.377	133	24.9
5	Evan Carter E. Carter	0.11	62	20	.413	.306	2023	TEX	23	15	19	4	1	5	12	12	0	24	3	0	75	40	10	0	1	1	1	.645	1.058	16	7.2	.435	182	7.4
6	Wally Bunker W. Bunker	0.1	55	20	.177	.073	1965	BAL	34	4	4	0	0	0	5	7	0	27	0	0	65	4	0	3	0	0	0	.073	.250	-1	-8.2	.136	-16	-8.5
7	Justin Upton J. Upton	0.1	356	20	.353	.250	2008	ARI	108	52	89	19	6	15	42	54	4	121	1	4	417	165	40	0	3	6	3	.463	.816	58	8.1	.352	107	3.5
8	Andruw Jones A. Jones	0.1	399	20	.329	.231	1997	ATL	153	60	92	18	1	18	70	56	4	107	20	11	467	166	37	5	3	2	11	.416	.745	56	-1.1	.329	96	-2.3
9	Mike Anderson M. Anderson	0.1	89	20	.343	.247	1971	PHI	26	11	22	5	1	2	5	13	0	28	0	0	103	35	8	1	0	0	0	.393	.736	13	2.2	.340	110	1.2
10	Butch Wynegar B. Wynegar	0.1	534	20	.356	.260	1976	MIN	149	58	139	21	2	10	69	79	2	63	0	0	622	194	33	4	3	7	14	.363	.719	75	9.4	.336	113	8.5
11	Tom Satriano T. Satriano	0.1	96	20	.294	.198	1961	LAA	35	15	19	5	1	1	8	12	1	16	2	0	110	29	7	1	0	0	1	.302	.596	9	-4.1	.277	56	-6.1
12	Bryce Harper B. Harper	0.09	424	20	.368	.274	2013	WSH	118	71	116	24	3	20	58	61	5	94	11	4	497	206	47	3	4	4	4	.486	.854	77	22.1	.371	137	20.7
13	Ruben Tejada R. Tejada	0.09	216	20	.305	.213	2010	NYM	78	28	46	12	0	1	15	22	8	38	2	2	255	61	13	6	3	3	2	.282	.588	19	-10.7	.268	64	-11.1
14	Dick Schofield D. Schofield	0.09	54	20	.295	.204	1983	CAL	21	4	11	2	0	3	4	6	1	8	0	0	62	22	5	1	0	0	2	.407	.702	7	-0.1	.317	95	-0.4
15	Ted Simmons T. Simmons	0.09	284	20	.333	.243	1970	STL	82	29	69	8	2	3	24	37	2	37	2	2	324	90	13	0	1	5	5	.317	.650	31	-5.3	.298	77	-9.3
16	John Briggs J. Briggs	0.09	66	20	.347	.258	1964	PHI	61	16	17	2	0	1	6	9	0	12	1	1	76	22	3	1	0	0	2	.333	.680	8	0.4	.313	101	0.1
17	Jeff Burroughs J. Burroughs	0.09	181	20	.319	.232	1971	WSH	59	20	42	9	0	5	25	22	1	55	1	0	204	66	14	0	0	0	4	.365	.683	22	1	.317	101	0.1
18	Greg Luzinski G. Luzinski	0.09	100	20	.386	.300	1971	PHI	28	13	30	8	0	3	15	12	2	32	2	0	115	47	11	1	0	0	3	.470	.856	19	6.7	.390	144	5.5
19	Darrell Porter D. Porter	0.08	56	20	.210	.125	1972	MIL	18	2	7	1	0	1	2	5	1	21	0	0	63	11	2	1	0	0	1	.196	.406	2	-4.6	.200	24	-4.8
20	Clint Hurdle C. Hurdle	0.08	417	20	.348	.264	1978	KCR	133	48	110	25	5	7	56	56	1	84	1	3	481	166	37	1	6	1	6	.398	.746	60	7.9	.339	111	5.7
21	Terry Puhl T. Puhl	0.08	229	20	.385	.301	1977	HOU	60	40	69	13	5	0	10	30	1	31	10	1	265	92	18	5	0	0	3	.402	.786	38	7	.357	125	8.1
22	Larry Parrish L. Parrish	0.08	69	20	.286	.203	1974	MON	25	9	14	5	0	0	4	6	2	19	0	0	79	19	5	2	0	2	1	.275	.561	5	-3.6	.257	51	-4.4
23	Dilson Herrera D. Herrera	0.08	59	20	.303	.220	2014	NYM	18	6	13	0	1	3	11	7	0	17	0	0	66	24	4	0	0	0	3	.407	.710	7	0.3	.317	105	0.4
24	Willie Randolph W. Randolph	0.08	61	20	.246	.164	1975	PIT	30	9	10	1	0	0	3	7	0	6	1	0	70	11	1	1	1	1	3	.180	.427	2	-6.1	.205	21	-6.3
25	Dwight Evans D. Evans	0.08	57	20	.344	.263	1972	BOS	18	2	15	3	1	1	6	7	0	13	0	0	64	23	5	0	0	0	2	.404	.747	8	1.8	.344	120	1.3