4 players were tied for the youngest in 2008. They were 20 years old. The first three are Conor Gillaspie, Clayton Kershaw and Travis Snider.

	NAME	AGE	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	Conor Gillaspie C. Gillaspie	20	2008	SFG	8	5	1	1	0	0	0	0	2	0	0	0	0	7	1	0	0	0	0	0	.200	.429	.200	.629	1	0	.330	97	0
2	Clayton Kershaw C. Kershaw	20	2008	LAD	21	29	1	2	0	0	0	0	0	0	13	0	0	38	2	0	9	0	0	0	.069	.069	.069	.138	-4	-8.4	.062	-77	-8.5
3	Travis Snider T. Snider	20	2008	TOR	24	73	9	22	6	0	2	13	5	0	23	0	0	80	34	8	0	2	0	0	.301	.338	.466	.803	11	1.2	.346	110	0.9
4	Justin Upton J. Upton	20	2008	ARI	108	356	52	89	19	6	15	42	54	4	121	1	4	417	165	40	0	3	6	3	.250	.353	.463	.816	58	8.1	.352	107	3.5
5	Nick Adenhart N. Adenhart	21	2008	LAA
6	Michael Bowden M. Bowden	21	2008	BOS
7	Jay Bruce J. Bruce	21	2008	CIN	108	413	63	105	17	1	21	52	33	4	110	4	6	452	187	39	0	2	1	8	.254	.314	.453	.767	56	1.8	.333	96	-2.2
8	Alcides Escobar A. Escobar	21	2008	MIL	9	4	2	2	0	0	0	0	0	0	1	0	0	4	2	0	0	0	0	0	.500	.500	.500	1.000	1	0.4	.448	176	0.4
9	Jaime Garcia J. Garcia	21	2008	STL	10	1	0	0	0	0	0	0	2	0	1	0	0	3	0	0	0	0	0	0	.000	.667	.000	.667	1	0.4	.472	193	0.4
10	Tommy Hunter T. Hunter	21	2008	TEX
11	Shairon Martis S. Martis	21	2008	WSH	5	7	0	0	0	0	0	0	1	0	2	0	0	8	0	0	0	0	0	0	.000	.125	.000	.125	-1	-1.6	.089	-62	-1.6
12	Cameron Maybin C. Maybin	21	2008	FLA	8	32	9	16	2	0	0	2	3	0	8	4	0	36	18	2	1	0	0	0	.500	.543	.563	1.105	9	4.8	.491	202	4.6
13	Jonathon Niese J. Niese	21	2008	NYM	3	6	0	1	0	0	0	0	0	0	4	0	0	6	1	0	0	0	0	0	.167	.167	.167	.333	0	-0.9	.149	-19	-0.9
14	Pablo Sandoval P. Sandoval	21	2008	SFG	41	145	24	50	10	1	3	24	4	1	14	0	0	154	71	14	0	4	1	6	.345	.357	.490	.847	23	4.3	.362	118	3.5
15	Ryan Tucker R. Tucker	21	2008	FLA	11	7	0	0	0	0	0	0	0	0	4	0	0	7	0	0	0	0	0	0	.000	.000	.000	.000	-1	-1.9	.000	-121	-1.9
16	Chris Volstad C. Volstad	21	2008	FLA	15	26	2	3	2	0	0	0	0	0	14	0	0	28	5	2	2	0	0	0	.115	.115	.192	.308	-1	-4.6	.131	-35	-4.7
17	Homer Bailey H. Bailey	22	2008	CIN	8	10	0	1	1	0	0	0	0	0	5	0	0	12	2	1	2	0	0	1	.100	.100	.200	.300	-1	-2	.126	-40	-2.1
18	Collin Balester C. Balester	22	2008	WSH	15	15	1	3	0	0	0	1	1	1	8	0	0	25	3	0	8	0	0	0	.200	.294	.200	.494	1	-1.8	.243	40	-1.9
19	Daric Barton D. Barton	22	2008	OAK	140	446	59	101	17	5	9	47	65	3	99	2	1	523	155	31	6	3	5	6	.226	.327	.348	.674	52	-11.1	.303	83	-10.6
20	Reid Brignac R. Brignac	22	2008	TBR	4	10	1	0	0	0	0	0	1	0	5	0	0	11	0	0	0	0	0	0	.000	.091	.000	.091	-1	-2.4	.064	-76	-2.4
21	Billy Butler B. Butler	22	2008	KCR	124	443	44	122	22	0	11	55	33	0	57	0	1	478	177	33	0	2	0	23	.275	.324	.400	.724	54	-3.2	.320	90	-5.7
22	Asdrubal Cabrera A. Cabrera	22	2008	CLE	114	352	48	91	20	0	6	47	46	4	77	4	4	418	129	26	11	5	2	8	.259	.346	.366	.713	48	-2.8	.320	93	-3.5
23	Francisco Cervelli F. Cervelli	22	2008	NYY	3	5	0	0	0	0	0	0	0	0	3	0	0	5	0	0	0	0	0	1	.000	.000	.000	.000	-1	-1.4	.000	-122	-1.4
24	Joba Chamberlain J. Chamberlain	22	2008	NYY	2	3	0	0	0	0	0	0	1	0	1	0	0	5	0	0	1	0	0	0	.000	.250	.000	.250	0	-0.6	.177	-4	-0.6
25	Johnny Cueto J. Cueto	22	2008	CIN	30	45	4	2	0	0	0	1	2	1	15	0	0	56	2	0	8	0	0	0	.044	.104	.044	.149	-5	-11.4	.082	-69	-11.9