7 players were tied for the youngest in 2013. They were 20 years old. The first three are Xander Bogaerts, Jose Fernandez and Bryce Harper.

	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	Xander Bogaerts X. Bogaerts	20	2013	BOS	18	44	7	11	2	0	1	5	5	0	13	1	0	50	16	3	0	1	0	1	.250	.320	.364	.684	5	-0.4	.304	85	-0.9
2	Jose Fernandez J. Fernandez	20	2013	MIA	25	50	5	11	1	1	1	5	0	0	20	0	0	58	17	3	7	1	0	2	.220	.216	.340	.556	3	-3.5	.237	46	-3.5
3	Bryce Harper B. Harper	20	2013	WSH	118	424	71	116	24	3	20	58	61	5	94	11	4	497	206	47	3	4	4	4	.274	.368	.486	.854	77	22.1	.371	137	20.7
4	Manny Machado M. Machado	20	2013	BAL	156	667	88	189	51	3	14	71	29	2	113	6	7	710	288	68	9	3	0	15	.283	.314	.432	.746	84	6.4	.325	101	1.1
5	Jurickson Profar J. Profar	20	2013	TEX	85	286	30	67	11	0	6	26	26	5	63	2	4	324	96	17	6	1	0	1	.234	.308	.336	.644	30	-5.8	.291	75	-9.2
6	José Ramírez J. Ramírez	20	2013	CLE	15	12	5	4	0	1	0	0	2	0	2	0	1	14	6	1	0	0	0	0	.333	.429	.500	.929	3	1	.404	159	0.9
7	Taijuan Walker T. Walker	20	2013	SEA
8	Christian Bethancourt C. Bethancourt	21	2013	ATL	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	-0.2	.000	-120	-0.2
9	Nick Castellanos N. Castellanos	21	2013	DET	11	18	1	5	0	0	0	0	0	0	1	0	0	18	5	0	0	0	0	0	.278	.278	.278	.556	1	-0.9	.247	49	-1
10	Wilmer Flores W. Flores	21	2013	NYM	27	95	8	20	5	0	1	13	5	0	23	0	0	101	28	6	0	1	0	1	.211	.248	.295	.542	5	-5.8	.241	52	-5.5
11	David Holmberg D. Holmberg	21	2013	ARI	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	-0.2	.000	-125	-0.3
12	Carlos Martinez C. Martinez	21	2013	STL	21	2	0	0	0	0	0	0	0	0	1	0	0	2	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.5	.000	-119	-0.5
13	Chris Owings C. Owings	21	2013	ARI	20	55	5	16	5	0	0	5	6	0	10	2	0	61	21	5	0	0	1	0	.291	.361	.382	.742	7	0.6	.326	102	0.1
14	Jonathan Schoop J. Schoop	21	2013	BAL	5	14	5	4	0	0	1	1	1	0	2	0	0	15	7	1	0	0	0	2	.286	.333	.500	.833	2	0.6	.364	128	0.5
15	Tyler Skaggs T. Skaggs	21	2013	ARI	7	10	0	2	0	0	0	1	0	0	5	0	0	13	2	0	3	0	0	0	.200	.200	.200	.400	0	-1.4	.178	-1	-1.5
16	Wilfredo Tovar W. Tovar	21	2013	NYM	7	15	1	3	0	0	0	2	1	1	3	1	0	19	3	0	2	0	1	2	.200	.294	.200	.494	1	-1.5	.212	31	-1.5
17	Mike Trout M. Trout	21	2013	LAA	157	589	109	190	39	9	27	97	110	9	136	33	7	716	328	75	0	8	10	8	.323	.432	.557	.988	140	61.1	.423	176	62.1
18	Christian Yelich C. Yelich	21	2013	MIA	62	240	34	69	12	1	4	16	31	1	66	10	0	273	95	17	0	1	1	4	.288	.370	.396	.766	36	5.9	.341	119	5.7
19	Oswaldo Arcia O. Arcia	22	2013	MIN	97	351	34	88	17	2	14	43	23	4	117	1	2	378	151	33	0	0	0	4	.251	.304	.430	.734	44	2.5	.322	101	0.6
20	Nolan Arenado N. Arenado	22	2013	COL	133	486	49	130	29	4	10	52	23	1	72	2	0	514	197	43	2	2	1	16	.267	.301	.405	.706	54	-2.3	.308	77	-13.3
21	Trevor Bauer T. Bauer	22	2013	CLE	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	-0.2	.000	-120	-0.2
22	Carter Capps C. Capps	22	2013	SEA
23	Gerrit Cole G. Cole	22	2013	PIT	17	34	3	7	0	0	0	5	1	0	14	0	0	36	7	0	1	0	0	0	.206	.229	.206	.434	1	-3.3	.197	20	-3.2
24	Matt Davidson M. Davidson	22	2013	ARI	31	76	8	18	6	0	3	12	10	1	24	0	1	87	33	9	0	0	1	1	.237	.333	.434	.768	11	1.5	.336	109	0.8
25	Jose Dominguez J. Dominguez	22	2013	LAD	8	1	0	0	0	0	0	0	0	0	1	0	0	1	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.2	.000	-117	-0.2