Felix Hernandez was the youngest in 2005. He was 19 years old in his rookie season.

	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	Felix Hernandez F. Hernandez	19	2005	SEA
2	Yorman Bazardo Y. Bazardo	20	2005	FLA	1	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.3	.000	-116	-0.3
3	Melky Cabrera M. Cabrera	20	2005	NYY	6	19	1	4	0	0	0	0	0	0	2	0	0	19	4	0	0	0	0	0	.211	.211	.211	.421	0	-2.2	.187	5	-2.2
4	Matt Cain M. Cain	20	2005	SFG	7	15	1	1	1	0	0	0	0	0	6	0	0	16	2	1	1	0	0	0	.067	.067	.133	.200	-1	-3.2	.083	-64	-3.3
5	Marcos Carvajal M. Carvajal	20	2005	COL	37	4	0	1	0	0	0	2	0	0	3	0	0	4	1	0	0	0	0	0	.250	.250	.250	.500	0	-0.3	.223	18	-0.4
6	Hayden Penn H. Penn	20	2005	BAL	2	1	0	0	0	0	0	0	1	0	0	0	0	3	0	0	1	0	0	0	.000	.500	.000	.500	0	0.1	.351	116	0.1
7	Ryan Zimmerman R. Zimmerman	20	2005	WSH	20	58	6	23	10	0	0	6	3	0	12	0	0	62	33	10	0	1	0	1	.397	.419	.569	.988	12	5	.423	163	4.9
8	Robert Andino R. Andino	21	2005	FLA	17	44	4	7	4	0	0	1	5	0	8	1	0	50	11	4	1	0	1	2	.159	.245	.250	.495	2	-4.4	.219	28	-4.6
9	Andres Blanco A. Blanco	21	2005	KCR	26	79	6	17	0	1	0	5	0	1	5	0	1	86	19	1	4	2	0	3	.215	.220	.241	.460	1	-8.8	.202	11	-9.3
10	Jonathan Broxton J. Broxton	21	2005	LAD
11	Ambiorix Burgos A. Burgos	21	2005	KCR
12	Matt Capps M. Capps	21	2005	PIT
13	Kyle Davies K. Davies	21	2005	ATL	19	15	0	3	0	0	0	4	2	0	3	0	0	28	3	0	10	1	0	0	.200	.278	.200	.478	1	-2.3	.226	31	-2.4
14	Joey Devine J. Devine	21	2005	ATL	5	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.3	.000	-118	-0.3
15	Dana Eveland D. Eveland	21	2005	MIL	27	1	0	0	0	0	0	0	0	0	0	0	0	2	0	0	1	0	0	0	.000	.000	.000	.000	0	-0.5	.000	-120	-0.6
16	Prince Fielder P. Fielder	21	2005	MIL	39	59	2	17	4	0	2	10	2	0	17	0	0	62	27	6	0	1	0	0	.288	.306	.458	.764	7	0	.326	95	-0.4
17	Jeff Francoeur J. Francoeur	21	2005	ATL	70	257	41	77	20	1	14	45	11	4	58	3	2	274	141	35	0	2	3	4	.300	.336	.549	.884	43	10.4	.372	127	9.2
18	Zack Greinke Z. Greinke	21	2005	KCR	1	2	1	1	0	0	1	1	0	0	0	0	0	2	4	1	0	0	0	0	.500	.500	2.000	2.500	1	1.1	1.008	558	1.1
19	Craig Hansen C. Hansen	21	2005	BOS
20	Jeremy Hermida J. Hermida	21	2005	FLA	23	41	9	12	2	0	4	11	6	0	12	2	0	47	26	6	0	0	1	1	.293	.383	.634	1.017	9	3.8	.422	162	3.7
21	Edwin Jackson E. Jackson	21	2005	LAD	10	10	0	2	0	0	0	1	1	0	2	0	0	11	2	0	0	0	0	0	.200	.273	.200	.473	0	-0.9	.226	31	-0.9
22	Josh Johnson J. Johnson	21	2005	FLA	4	4	1	1	0	0	0	0	0	0	2	0	0	4	1	0	0	0	0	0	.250	.250	.250	.500	0	-0.3	.223	30	-0.4
23	Scott Kazmir S. Kazmir	21	2005	TBD	1	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.3	.000	-121	-0.3
24	Francisco Liriano F. Liriano	21	2005	MIN
25	Jose Lopez J. Lopez	21	2005	SEA	54	190	18	47	19	0	2	25	6	4	25	4	2	203	72	21	1	2	0	5	.247	.282	.379	.661	18	-6.4	.288	76	-5.9