players before 21 years old with batting title and all star and silver slugger

Fernando Valenzuela won a championship in his rookie season in 1981.

Interpreted as:

players before 21 years old with batting title and all star and silver slugger in a regular season

		NAME	Champs	Age	SS	SEASON	TM	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	wRC	WRAA	wOBA	wRC+	BRAA
1		Fernando Valenzuela F. Valenzuela	1	20	1	1981	LAD	25	64	3	16	0	1	0	7	1	0	9	0	0	71	18	1	6	0	0	0	.250	.262	.281	.543	4	-3.4	.249	55	-3.5

Games

	NAME	DATE	Age	SS	SEASON	TM		OPP	AB	R	H	3B	RBI	BB	SO	PA	TB	XBH	SH
1	Fernando Valenzuela F. Valenzuela	10/1/1981	20-334	1	1981	LAD	vs	SDP	2	0	0	0	0	0	0	2	0	0	0
2	Fernando Valenzuela F. Valenzuela	9/27/1981	20-330	1	1981	LAD	@	HOU	2	0	0	0	0	0	0	2	0	0	0
3	Fernando Valenzuela F. Valenzuela	9/22/1981	20-325	1	1981	LAD	@	SFG	2	0	1	0	0	0	1	2	1	0	0
4	Fernando Valenzuela F. Valenzuela	9/17/1981	20-320	1	1981	LAD	vs	ATL	4	0	1	0	1	0	0	4	1	0	0
5	Fernando Valenzuela F. Valenzuela	9/12/1981	20-315	1	1981	LAD	@	CIN	3	0	0	0	0	0	1	3	0	0	0
6	Fernando Valenzuela F. Valenzuela	9/6/1981	20-309	1	1981	LAD	vs	STL	2	1	1	1	3	0	0	3	3	1	1
7	Fernando Valenzuela F. Valenzuela	9/1/1981	20-304	1	1981	LAD	vs	PIT	4	0	1	0	1	0	1	4	1	0	0
8	Fernando Valenzuela F. Valenzuela	8/27/1981	20-299	1	1981	LAD	vs	CHC	3	1	2	0	0	1	0	4	2	0	0
9	Fernando Valenzuela F. Valenzuela	8/22/1981	20-294	1	1981	LAD	@	STL	4	0	1	0	0	0	1	4	1	0	0
10	Fernando Valenzuela F. Valenzuela	8/16/1981	20-288	1	1981	LAD	vs	ATL	1	0	0	0	0	0	0	1	0	0	0
11	Fernando Valenzuela F. Valenzuela	8/11/1981	20-283	1	1981	LAD	vs	CIN	1	0	0	0	0	0	0	2	0	0	1
12	Fernando Valenzuela F. Valenzuela	6/11/1981	20-222	1	1981	LAD	@	STL	2	0	0	0	0	0	0	2	0	0	0
13	Fernando Valenzuela F. Valenzuela	6/6/1981	20-217	1	1981	LAD	@	CHC	1	0	0	0	0	0	0	2	0	0	1
14	Fernando Valenzuela F. Valenzuela	6/1/1981	20-212	1	1981	LAD	vs	ATL	2	0	0	0	0	0	0	3	0	0	1
15	Fernando Valenzuela F. Valenzuela	5/28/1981	20-208	1	1981	LAD	@	ATL	1	0	0	0	0	0	0	1	0	0	0
16	Fernando Valenzuela F. Valenzuela	5/23/1981	20-203	1	1981	LAD	@	CIN	3	0	0	0	0	0	0	3	0	0	0
17	Fernando Valenzuela F. Valenzuela	5/18/1981	20-198	1	1981	LAD	vs	PHI	2	0	0	0	0	0	0	2	0	0	0
18	Fernando Valenzuela F. Valenzuela	5/14/1981	20-194	1	1981	LAD	vs	MON	3	0	2	0	0	0	0	3	2	0	0
19	Fernando Valenzuela F. Valenzuela	5/8/1981	20-188	1	1981	LAD	@	NYM	3	0	0	0	0	0	2	3	0	0	0
20	Fernando Valenzuela F. Valenzuela	5/3/1981	20-183	1	1981	LAD	@	MON	3	0	0	0	0	0	1	3	0	0	0
21	Fernando Valenzuela F. Valenzuela	4/27/1981	20-177	1	1981	LAD	vs	SFG	4	1	3	0	1	0	0	4	3	0	0
22	Fernando Valenzuela F. Valenzuela	4/22/1981	20-172	1	1981	LAD	@	HOU	3	0	2	0	1	0	1	3	2	0	0
23	Fernando Valenzuela F. Valenzuela	4/18/1981	20-168	1	1981	LAD	@	SDP	4	0	2	0	0	0	0	4	2	0	0
24	Fernando Valenzuela F. Valenzuela	4/14/1981	20-164	1	1981	LAD	@	SFG	3	0	0	0	0	0	1	4	0	0	1
25	Fernando Valenzuela F. Valenzuela	4/9/1981	20-159	1	1981	LAD	vs	HOU	2	0	0	0	0	0	0	3	0	0	1
	Total		20	1					64	3	16	1	7	1	9	71	18	1	6