Andrés Giménez was the youngest for the Mets in 2020. 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	Andrés Giménez A. Giménez	21	2020	NYM	49	118	22	31	3	2	3	12	7	6	28	8	1	132	47	8	0	1	0	0	.263	.333	.398	.732	17	0.1	.321	106	1
2	Alí Sánchez A. Sánchez	23	2020	NYM	5	9	0	1	0	0	0	0	1	0	3	0	0	10	1	0	0	0	0	2	.111	.200	.111	.311	0	-1.4	.158	-2	-1.3
3	Ariel Jurado A. Jurado	24	2020	NYM
4	David Peterson D. Peterson	24	2020	NYM
5	Amed Rosario A. Rosario	24	2020	NYM	46	143	20	36	3	1	4	15	4	0	34	0	1	147	53	8	0	0	0	5	.252	.272	.371	.643	13	-5.3	.277	77	-4.4
6	Miguel Castro M. Castro	25	2020	NYM
7	Luis Guillorme L. Guillorme	25	2020	NYM	29	57	6	19	6	0	0	9	10	0	17	2	0	68	25	6	0	1	0	3	.333	.426	.439	.865	12	3.5	.381	145	3.9
8	Franklyn Kilome F. Kilome	25	2020	NYM
9	Dominic Smith D. Smith	25	2020	NYM	50	177	27	56	21	1	10	42	14	5	45	0	0	199	109	32	0	3	0	2	.316	.377	.616	.993	40	15.5	.412	166	16.7
10	Pete Alonso P. Alonso	25	2020	NYM	57	208	31	48	6	0	16	35	24	6	61	1	0	239	102	22	0	1	4	4	.231	.326	.490	.817	35	4.5	.342	120	6
11	Edwin Díaz E. Díaz	26	2020	NYM
12	Robert Gsellman R. Gsellman	26	2020	NYM
13	Walker Lockett W. Lockett	26	2020	NYM
14	Tomás Nido T. Nido	26	2020	NYM	7	24	4	7	1	0	2	6	2	0	6	0	0	26	14	3	0	0	0	2	.292	.346	.583	.929	5	1.5	.389	151	1.7
15	Corey Oswalt C. Oswalt	26	2020	NYM
16	Drew Smith D. Smith	26	2020	NYM
17	Michael Conforto M. Conforto	27	2020	NYM	54	202	40	65	12	0	9	31	24	7	57	3	3	233	104	21	0	0	0	6	.322	.412	.515	.927	45	15.9	.401	159	17.4
18	J.D. Davis	27	2020	NYM	56	190	26	47	9	0	6	19	31	7	56	0	0	229	74	15	0	1	1	8	.247	.371	.389	.761	32	3.7	.339	118	5.2
19	Brandon Nimmo B. Nimmo	27	2020	NYM	55	186	33	52	8	3	8	18	33	6	43	1	2	225	90	19	0	0	0	1	.280	.404	.484	.888	41	12.7	.387	149	14.1
20	Ryan Cordell R. Cordell	28	2020	NYM	5	8	0	1	0	0	0	0	0	0	3	1	0	8	1	0	0	0	0	0	.125	.125	.125	.250	0	-1.4	.110	-33	-1.4
21	Jeff McNeil J. McNeil	28	2020	NYM	52	183	19	57	14	0	4	23	20	3	24	0	2	209	83	18	0	3	2	3	.311	.383	.454	.836	33	7	.360	131	8.4
22	Billy Hamilton B. Hamilton	29	2020	NYM	17	22	4	1	0	0	0	1	1	0	3	3	1	25	1	0	1	1	0	0	.045	.083	.045	.129	-2	-5.4	.066	-62	-5.2
23	Guillermo Heredia G. Heredia	29	2020	NYM	7	17	4	4	0	0	2	3	1	0	5	0	0	18	10	2	0	0	0	0	.235	.278	.588	.866	3	0.6	.357	129	0.7
24	Jake Marisnick J. Marisnick	29	2020	NYM	16	33	4	11	3	0	2	5	1	0	10	0	0	34	20	5	0	0	0	0	.333	.353	.606	.959	7	2.4	.402	159	2.6
25	Steven Matz S. Matz	29	2020	NYM