Dilson Herrera was the youngest for the Mets in 2015. He was 21 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	Dilson Herrera D. Herrera	21	2015	NYM	31	90	7	19	3	1	3	6	11	2	23	2	0	103	33	7	0	0	1	2	.211	.311	.367	.677	10	-1.2	.298	91	-1.1
2	Michael Conforto M. Conforto	22	2015	NYM	56	174	30	47	14	0	9	26	17	1	39	0	1	194	88	23	0	2	0	4	.270	.335	.506	.841	29	7.1	.359	133	7.4
3	Akeel Morris A. Morris	22	2015	NYM
4	Noah Syndergaard N. Syndergaard	22	2015	NYM	22	43	2	9	1	0	1	4	1	0	26	0	0	50	13	2	6	0	0	0	.209	.227	.302	.530	2	-3.3	.231	45	-3.2
5	Wilmer Flores W. Flores	23	2015	NYM	137	483	55	127	22	0	16	59	19	4	63	0	1	510	197	38	2	2	2	12	.263	.295	.408	.703	53	-3.9	.304	95	-3.1
6	Jack Leathersich J. Leathersich	24	2015	NYM
7	Steven Matz S. Matz	24	2015	NYM	6	14	1	4	1	0	0	5	0	0	1	0	0	14	5	1	0	0	0	1	.286	.286	.357	.643	1	-0.4	.278	78	-0.4
8	Rafael Montero R. Montero	24	2015	NYM	5	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	-113	-0.5
9	Kevin Plawecki K. Plawecki	24	2015	NYM	73	233	18	51	9	0	3	21	17	4	60	0	0	258	69	12	1	3	4	4	.219	.280	.296	.576	16	-12.7	.252	59	-12.3
10	Hansel Robles H. Robles	24	2015	NYM
11	Darrell Ceciliani D. Ceciliani	25	2015	NYM	39	68	5	14	2	0	1	3	4	2	25	5	1	74	19	3	0	0	0	0	.206	.270	.279	.550	5	-3.8	.249	58	-3.7
12	Jeurys Familia J. Familia	25	2015	NYM
13	Sean Gilmartin S. Gilmartin	25	2015	NYM	48	6	1	2	0	0	0	0	0	0	3	0	0	6	2	0	0	0	0	0	.333	.333	.333	.667	1	-0.1	.294	88	-0.1
14	Jenrry Mejia J. Mejia	25	2015	NYM
15	Ruben Tejada R. Tejada	25	2015	NYM	116	360	36	94	23	0	3	28	38	5	70	2	1	407	126	26	2	2	5	6	.261	.338	.350	.688	43	-3.3	.303	94	-2.7
16	Logan Verrett L. Verrett	25	2015	NYM	12	7	0	0	0	0	0	0	0	0	2	0	0	8	0	0	1	0	0	0	.000	.000	.000	.000	-1	-2	.000	-113	-2
17	Dario Alvarez D. Alvarez	26	2015	NYM
18	Travis d'Arnaud T. d'Arnaud	26	2015	NYM	67	239	31	64	14	1	12	41	23	4	49	0	0	268	116	27	0	2	0	7	.268	.340	.485	.825	39	9	.355	130	9.4
19	Erik Goeddel E. Goeddel	26	2015	NYM	33	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	-113	-0.2
20	Matt Harvey M. Harvey	26	2015	NYM	28	65	1	7	2	0	1	7	0	0	31	0	0	66	12	3	1	0	0	2	.108	.108	.185	.292	-3	-9.9	.125	-28	-9.8
21	Juan Lagares J. Lagares	26	2015	NYM	143	441	47	114	16	5	6	41	16	4	87	7	3	465	158	27	1	3	2	6	.259	.289	.358	.647	40	-12.2	.280	79	-11.4
22	Danny Muno D. Muno	26	2015	NYM	17	27	2	4	1	0	0	0	4	0	11	1	0	32	5	1	1	0	0	1	.148	.258	.185	.443	1	-2.5	.214	34	-2.5
23	Addison Reed A. Reed	26	2015	NYM
24	Jacob deGrom J. deGrom	27	2015	NYM	28	59	3	11	1	0	0	4	3	0	16	0	0	66	12	1	4	0	0	4	.186	.226	.203	.429	1	-6.2	.196	21	-6.1
25	Kirk Nieuwenhuis K. Nieuwenhuis	27	2015	NYM	64	106	17	22	9	0	4	13	8	3	40	2	1	117	43	13	0	0	0	2	.208	.282	.406	.688	12	-1.2	.300	93	-1