7 players were tied for the youngest in 2010. They were 20 years old. The first three are Madison Bumgarner, Starlin Castro and Freddie Freeman.

	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	Madison Bumgarner M. Bumgarner	20	2010	SFG	20	39	2	7	1	0	0	3	2	0	11	0	0	44	8	1	3	0	0	1	.179	.220	.205	.425	1	-4.4	.196	16	-4.4
2	Starlin Castro S. Castro	20	2010	CHC	125	463	53	139	31	5	3	41	29	6	71	10	8	506	189	39	4	4	7	14	.300	.347	.408	.755	61	3.3	.329	98	-0.9
3	Freddie Freeman F. Freeman	20	2010	ATL	20	24	3	4	1	0	1	1	0	0	8	0	0	24	8	2	0	0	0	1	.167	.167	.333	.500	1	-2.1	.214	24	-2.2
4	Jason Heyward J. Heyward	20	2010	ATL	142	520	83	144	29	5	18	72	91	10	128	11	6	623	237	52	0	2	2	13	.277	.393	.456	.849	100	28	.377	133	24.9
5	Jenrry Mejia J. Mejia	20	2010	NYM	30	3	1	1	0	0	0	0	0	0	1	0	0	3	1	0	0	0	0	0	.333	.333	.333	.667	0	-0.1	.298	84	-0.1
6	Giancarlo Stanton G. Stanton	20	2010	FLA	100	359	45	93	21	1	22	59	34	2	123	5	2	396	182	44	0	1	6	7	.259	.326	.507	.833	57	11.1	.356	118	8.6
7	Ruben Tejada R. Tejada	20	2010	NYM	78	216	28	46	12	0	1	15	22	8	38	2	2	255	61	13	6	3	3	2	.213	.305	.282	.588	19	-10.7	.268	64	-11.1
8	Elvis Andrus E. Andrus	21	2010	TEX	148	588	88	156	15	3	0	35	64	5	96	32	15	674	177	18	17	0	0	6	.265	.342	.301	.643	65	-12.3	.298	75	-19.6
9	Jhan Marinez J. Marinez	21	2010	FLA
10	Fernando Martinez F. Martinez	21	2010	NYM	7	18	1	3	0	0	0	2	1	2	5	0	1	22	3	0	0	1	0	0	.167	.273	.167	.439	1	-1.8	.221	32	-1.8
11	Rick Porcello R. Porcello	21	2010	DET	1	1	0	0	0	0	0	0	0	0	1	0	0	2	0	0	1	0	0	0	.000	.000	.000	.000	0	-0.5	.000	-122	-0.5
12	Chris Sale C. Sale	21	2010	CWS
13	Alex Sanabia A. Sanabia	21	2010	FLA	14	22	0	1	0	0	0	0	0	1	11	0	0	26	1	0	3	0	0	0	.045	.087	.045	.132	-2	-5.2	.071	-72	-5.4
14	Stephen Strasburg S. Strasburg	21	2010	WSH	11	20	0	1	0	0	0	1	0	0	7	0	0	22	1	0	2	0	0	0	.050	.050	.050	.100	-2	-4.9	.045	-88	-5
15	Jose Tabata J. Tabata	21	2010	PIT	102	405	61	121	21	4	4	35	28	2	57	19	7	441	162	29	5	1	0	7	.299	.346	.400	.746	55	4	.332	106	3.3
16	Dayan Viciedo D. Viciedo	21	2010	CWS	38	104	17	32	7	0	5	13	2	0	25	1	0	106	54	12	0	0	0	5	.308	.321	.519	.840	16	3.6	.364	122	2.7
17	Brett Anderson B. Anderson	22	2010	OAK
18	Lars Anderson L. Anderson	22	2010	BOS	18	35	4	7	1	0	0	4	7	0	8	0	0	43	8	1	0	1	0	1	.200	.326	.229	.554	3	-1.8	.269	57	-2.2
19	Zach Braddock Z. Braddock	22	2010	MIL
20	Domonic Brown D. Brown	22	2010	PHI	35	62	8	13	3	0	2	13	5	0	24	2	1	70	22	5	0	3	1	1	.210	.257	.355	.612	5	-3.4	.260	55	-3.8
21	Alex Burnett A. Burnett	22	2010	MIN
22	Trevor Cahill T. Cahill	22	2010	OAK	2	3	0	0	0	0	0	0	0	0	1	0	0	5	0	0	2	0	0	0	.000	.000	.000	.000	-1	-1.3	.000	-117	-1.3
23	Jhoulys Chacin J. Chacin	22	2010	COL	26	40	0	3	0	0	0	1	1	0	9	0	0	45	3	0	4	0	0	0	.075	.098	.075	.173	-3	-8.6	.083	-76	-9.5
24	Aroldis Chapman A. Chapman	22	2010	CIN
25	Casey Coleman C. Coleman	22	2010	CHC	12	20	2	2	1	0	0	2	1	0	11	0	0	23	3	1	2	0	0	0	.100	.143	.150	.293	-1	-3.4	.137	-30	-3.6