Since 1999-00, 50 players are tied for the oldest rookies. They were 26 years old. The first three are Michael Callahan, Adam Ginning and Linus Karlsson this season.

	NAME	Age	SEASON	TM	GP	G	A	P	+/-	PIM	PPG	PPA	SHG	SHA	GWG	OTG	S	S%	FOW	FO	FOW%	HIT	BKS	TKA	GVA	TOI/GP
1	Michael Callahan M. Callahan	26	2025-26	BOS	3	0	0	0	-2	0	0	0	0	0	0	0	2	0.0	0	0		3	6	1	3	16:27
2	Adam Ginning A. Ginning	26	2025-26	PHI	5	0	0	0	0	0	0	0	0	0	0	0	2	0.0	0	0		4	5	0	5	15:20
3	Linus Karlsson L. Karlsson	26	2025-26	VAN	20	3	4	7	-3	14	0	0	0	0	1	0	30	10.0	3	13	23.1	23	5	2	10	10:01
4	Cole Reinhardt C. Reinhardt	26	2025-26	VGK	16	1	2	3	-3	6	0	0	0	0	0	0	8	12.5	2	5	40.0	27	1	1	10	9:13
5	Alex Steeves A. Steeves	26	2025-26	BOS	8	1	1	2	-3	7	0	0	0	0	0	0	11	9.1	0	2	0.0	25	11	0	7	11:40
6	Patrick Giles P. Giles	26	2025-26	SJS	3	0	1	1	+1	0	0	0	0	0	0	0	2	0.0	9	15	60.0	3	2	0	1	8:52
7	Brian Halonen B. Halonen	26	2024-25	NJD	2	0	0	0	-1	0	0	0	0	0	0	0	2	0.0	0	0		2	1	1	2	13:54
8	Nikolas Matinpalo N. Matinpalo	26	2024-25	OTT	41	1	3	4	-2	20	0	0	0	0	0	0	43	2.3	0	0		25	29	8	31	12:37
9	Maxim Tsyplakov M. Tsyplakov	26	2024-25	NYI	77	10	25	35	+4	39	1	2	0	0	1	0	116	8.6	10	23	43.5	140	40	28	78	14:58
10	Brandon Gignac B. Gignac	26	2023-24	MTL	7	1	0	1	-3	0	0	0	0	0	0	0	7	14.3	24	53	45.3	5	7	3	6	11:39
11	Lucas Johansen L. Johansen	26	2023-24	WSH	6	0	1	1	+1	4	0	0	0	0	0	0	4	0.0	0	0		1	7	3	2	14:16
12	Mitchell Chaffee M. Chaffee	26	2023-24	TBL	30	4	3	7	+2	4	0	0	0	0	0	0	27	14.8	0	4	0.0	91	20	2	3	11:17
13	Lucas Condotta L. Condotta	26	2023-24	MTL	3	0	0	0	+1	0	0	0	0	0	0	0	2	0.0	5	10	50.0	5	1	0	1	7:30
14	Anthony Richard A. Richard	26	2022-23	MTL	13	3	2	5	+2	6	0	0	0	0	1	0	13	23.1	1	4	25.0	25	3	2	2	9:58
15	Dennis Gilbert D. Gilbert	26	2022-23	CGY	23	1	3	4	0	27	0	0	0	0	1	0	13	7.7	0	0		55	26	3	8	11:44
16	Erik Kallgren E. Kallgren	26	2022-23	TOR	10	0	0	0	0	0	0	0	0	0	0	0	0		0	0		0	0	0	5	56:10
17	Felix Sandstrom F. Sandstrom	26	2022-23	PHI	20	0	0	0	0	0	0	0	0	0	0	0	0		0	0		0	0	0	5	55:39
18	Alex Nedeljkovic A. Nedeljkovic	26	2021-22	DET	59	0	2	2	0	2	0	0	0	0	0	0	0		0	0		0	0	1	32	54:46
19	Michael Bunting M. Bunting	26	2021-22	TOR	79	23	40	63	+27	80	2	3	0	0	2	0	175	13.1	8	16	50.0	85	21	36	23	15:33
20	Chase De Leo C. De Leo	26	2021-22	NJD	2	0	0	0	-1	0	0	0	0	0	0	0	2	0.0	0	2	0.0	5	0	0	0	8:09
21	Jake Middleton J. Middleton	26	2021-22	TOT	66	4	10	14	+10	82	0	1	0	1	0	0	73	5.5	0	0		118	124	27	19	18:41
22	Lukas Vejdemo L. Vejdemo	26	2021-22	MTL	6	1	0	1	-3	0	0	0	0	0	0	0	10	10.0	13	31	41.9	7	4	4	3	10:38
23	Joe Snively J. Snively	26	2021-22	WSH	12	4	3	7	+3	2	1	0	0	0	0	0	21	19.0	0	1	0.0	2	3	7	1	11:33
24	Cole Smith C. Smith	26	2021-22	NSH	8	0	0	0	-3	0	0	0	0	0	0	0	3	0.0	0	1	0.0	21	1	3	2	8:50
25	Vladimir Tkachev V. Tkachev	26	2021-22	LAK	4	0	2	2	-2	2	0	2	0	0	0	0	1	0.0	1	2	50.0	1	0	0	2	13:59