Jim Bethke and Kevin Collins were tied for the youngest for the Mets in 1965. They were 18 years old.

	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	Jim Bethke J. Bethke	18	1965	NYM	25	4	0	0	0	0	0	0	0	0	2	0	0	4	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.9	.000	-106	-0.9
2	Kevin Collins K. Collins	18	1965	NYM	11	23	3	4	1	0	0	0	1	0	9	0	1	24	5	1	0	0	0	0	.174	.208	.217	.426	1	-2	.195	22	-2.1
3	Greg Goossen G. Goossen	19	1965	NYM	11	31	2	9	0	0	1	2	1	0	5	0	0	32	12	1	0	0	0	0	.290	.313	.387	.700	4	0.2	.314	99	0
4	Rob Gardner R. Gardner	20	1965	NYM	5	7	0	0	0	0	0	0	0	0	4	0	0	8	0	0	1	0	0	0	.000	.000	.000	.000	-1	-1.8	.000	-106	-1.9
5	Ed Kranepool E. Kranepool	20	1965	NYM	153	525	44	133	24	4	10	53	39	2	71	1	4	575	195	38	1	8	7	13	.253	.303	.371	.675	57	-3.2	.297	88	-7.6
6	Tug McGraw T. McGraw	20	1965	NYM	38	23	0	3	0	0	0	0	0	0	10	0	0	23	3	0	0	0	0	1	.130	.130	.130	.261	-1	-3.2	.117	-29	-3.4
7	Bud Harrelson B. Harrelson	21	1965	NYM	19	37	3	4	1	1	0	0	2	0	11	0	0	39	7	2	0	0	0	0	.108	.154	.189	.343	0	-4.3	.157	-3	-4.6
8	Dennis Musgraves D. Musgraves	21	1965	NYM	5	2	0	0	0	0	0	0	0	0	0	0	0	2	0	0	0	0	0	0	.000	.000	.000	.000	0	-0.5	.000	-106	-0.5
9	Dick Selma D. Selma	21	1965	NYM	7	9	1	2	0	0	0	0	0	0	4	0	0	9	2	0	0	0	0	1	.222	.222	.222	.444	0	-0.7	.199	25	-0.8
10	Ron Swoboda R. Swoboda	21	1965	NYM	135	399	52	91	15	3	19	50	33	3	102	2	3	438	169	37	1	2	3	10	.228	.291	.424	.714	50	3.8	.316	101	0.4
11	Cleon Jones C. Jones	22	1965	NYM	30	74	2	11	1	0	1	9	2	0	23	1	0	76	15	2	0	0	0	0	.149	.171	.203	.374	0	-7.6	.170	5	-8.2
12	Larry Bearnarth L. Bearnarth	23	1965	NYM	40	9	1	1	1	0	0	0	1	0	4	0	0	10	2	1	0	0	0	0	.111	.200	.222	.422	0	-0.8	.199	24	-0.9
13	Gary Kroll G. Kroll	23	1965	NYM	32	26	3	3	1	0	0	0	0	0	9	0	0	29	4	1	3	0	0	0	.115	.115	.154	.269	-1	-4	.119	-28	-4.2
14	Danny Napoleon D. Napoleon	23	1965	NYM	68	97	5	14	1	1	0	7	8	2	23	0	0	108	17	2	0	1	1	4	.144	.222	.175	.397	2	-9.5	.187	16	-10.3
15	Dennis Ribant D. Ribant	23	1965	NYM	19	6	0	0	0	0	0	0	0	0	1	0	0	6	0	0	0	0	0	0	.000	.000	.000	.000	-1	-1.4	.000	-106	-1.4
16	Darrell Sutherland D. Sutherland	23	1965	NYM	18	13	0	2	0	1	0	0	0	0	4	0	0	13	4	1	0	0	0	0	.154	.154	.308	.462	0	-1	.197	23	-1.1
17	Ron Hunt R. Hunt	24	1965	NYM	57	196	21	47	12	1	1	10	14	6	19	2	7	223	64	14	6	1	2	5	.240	.309	.327	.635	21	-3	.287	82	-4.7
18	John Stephenson J. Stephenson	24	1965	NYM	62	121	9	26	5	0	4	15	8	0	19	0	1	131	43	9	2	0	2	7	.215	.264	.355	.619	11	-3.1	.272	72	-4.1
19	Gary Kolb G. Kolb	25	1965	NYM	40	90	8	15	2	0	1	7	3	0	28	3	0	94	20	3	0	1	0	2	.167	.191	.222	.414	2	-8.2	.187	17	-8.9
20	Johnny Lewis J. Lewis	25	1965	NYM	148	477	64	117	15	3	15	45	59	3	117	4	7	544	183	33	4	1	4	8	.245	.331	.384	.715	65	7.1	.322	105	3
21	Tom Parsons T. Parsons	25	1965	NYM	35	18	0	1	0	0	0	0	1	0	14	0	0	20	1	0	1	0	0	0	.056	.105	.056	.161	-1	-3.3	.084	-51	-3.5
22	Billy Cowan B. Cowan	26	1965	NYM	82	156	16	28	8	2	3	9	4	1	45	3	2	162	49	13	1	0	1	2	.179	.205	.314	.519	8	-9.2	.228	43	-10.5
23	Jack Fisher J. Fisher	26	1965	NYM	43	78	2	12	2	0	0	2	2	1	22	0	1	85	14	2	4	0	0	3	.154	.185	.179	.365	0	-8.6	.169	5	-9.3
24	Gordie Richardson G. Richardson	26	1965	NYM	35	7	0	0	0	0	0	0	0	0	7	0	0	8	0	0	1	0	0	0	.000	.000	.000	.000	-1	-1.8	.000	-106	-1.9
25	Hawk Taylor H. Taylor	26	1965	NYM	25	46	5	7	0	0	4	10	1	0	8	0	0	48	19	4	0	1	0	2	.152	.167	.413	.580	3	-1.9	.252	59	-2.3