Khalil Lee was the youngest for the Mets in 2021. He was 23 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	Khalil Lee K. Lee	23	2021	NYM	11	18	2	1	1	0	0	1	0	0	13	0	0	18	2	1	0	0	0	0	.056	.056	.111	.167	-1	-3.7	.069	-60	-3.7
2	Travis Blankenhorn T. Blankenhorn	24	2021	NYM	23	23	3	4	2	0	1	4	1	0	8	0	0	24	9	3	0	0	0	0	.174	.208	.391	.600	2	-1.2	.253	60	-1.2
3	Yennsy Diaz Y. Diaz	24	2021	NYM	20	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	-104	-0.3
4	David Peterson D. Peterson	25	2021	NYM	14	16	2	1	1	0	0	0	0	1	10	0	0	20	2	1	3	0	0	0	.063	.118	.125	.243	-1	-3.3	.116	-29	-3.3
5	Sean Reid-Foley S. Reid-Foley	25	2021	NYM	11	0	0	0	0	0	0	0	2	0	0	0	0	2	0	0	0	0	0	0		1.000			1	0.6	.692	345	0.6
6	Jordan Yamamoto J. Yamamoto	25	2021	NYM	2	2	0	1	0	0	0	0	0	0	1	0	0	2	1	0	0	0	0	0	.500	.500	.500	1.000	0	0.2	.440	181	0.2
7	Thomas Szapucki T. Szapucki	25	2021	NYM	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	-104	-0.3
8	Tylor Megill T. Megill	25	2021	NYM	18	28	1	6	3	0	0	0	1	0	17	0	0	31	9	3	2	0	0	0	.214	.241	.321	.563	2	-1.8	.243	54	-1.8
9	Akeem Bostick A. Bostick	26	2021	NYM	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
10	Miguel Castro M. Castro	26	2021	NYM	65	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
11	Johneshwy Fargas J. Fargas	26	2021	NYM	7	21	1	6	3	1	0	3	0	0	7	0	0	22	11	4	1	0	0	0	.286	.286	.524	.810	3	0.4	.336	114	0.4
12	Luis Guillorme L. Guillorme	26	2021	NYM	69	132	13	35	3	0	1	5	23	0	23	0	2	156	41	4	1	0	2	2	.265	.374	.311	.685	18	-0.5	.311	97	-0.5
13	Billy McKinney B. McKinney	26	2021	NYM	39	91	15	20	6	1	5	14	11	0	31	1	0	102	43	12	0	0	0	1	.220	.304	.473	.776	14	1.3	.330	110	1.3
14	Chance Sisco C. Sisco	26	2021	NYM	5	9	1	1	1	0	0	1	1	0	3	0	0	10	2	1	0	0	0	1	.111	.200	.222	.422	0	-1	.193	21	-1
15	Dominic Smith D. Smith	26	2021	NYM	145	446	43	109	20	0	11	58	32	9	112	2	1	493	162	31	0	6	2	13	.244	.304	.363	.667	50	-9.7	.291	84	-9.8
16	Pete Alonso P. Alonso	26	2021	NYM	152	561	81	147	27	3	37	94	60	12	127	3	0	637	291	67	0	4	6	20	.262	.344	.519	.863	103	25.4	.363	131	25.3
17	Stephen Nogosek S. Nogosek	26	2021	NYM	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	-104	-0.3
18	Albert Almora Jr. A. Almora Jr.	27	2021	NYM	47	52	3	6	3	0	0	0	2	0	17	0	0	54	9	3	0	0	0	1	.115	.148	.173	.321	-1	-7.6	.143	-11	-7.7
19	Anthony Banda A. Banda	27	2021	NYM	5	1	1	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	-104	-0.3
20	Edwin Díaz E. Díaz	27	2021	NYM	62	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
21	Robert Gsellman R. Gsellman	27	2021	NYM	16	5	0	0	0	0	0	0	1	0	4	0	0	6	0	0	0	0	0	0	.000	.167	.000	.167	0	-1	.115	-30	-1
22	Francisco Lindor F. Lindor	27	2021	NYM	125	452	73	104	16	3	20	63	58	5	96	10	4	524	186	39	6	3	4	7	.230	.322	.412	.734	64	1	.317	101	0.9
23	Tomás Nido T. Nido	27	2021	NYM	58	153	16	34	5	1	3	13	5	3	44	1	0	161	50	9	0	0	1	4	.222	.261	.327	.588	12	-8	.254	61	-8
24	Corey Oswalt C. Oswalt	27	2021	NYM	2	0	0	0	0	0	0	0	0	0	0	0	0	2	0	0	2	0	0	0
25	Jose Peraza J. Peraza	27	2021	NYM	64	142	21	29	7	0	6	20	9	3	26	1	0	154	54	13	0	0	0	5	.204	.266	.380	.647	14	-4.3	.280	78	-4.4