The 2017-18 roster for the Maple Leafs included Mitch Marner at center, James van Riemsdyk at left wing, Connor Brown at right wing, Jake Gardiner at defenseman and Frederik Andersen at goalie.

	NO.	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	31	Frederik Andersen F. Andersen	G	6'4"	230	10/2/1989	28	Herning, Denmark
2	55	Andreas Borgman A. Borgman	D	6'0"	212	6/18/1995	22	Stockholm, Sweden
3	42	Tyler Bozak T. Bozak	C	6'1"	199	3/19/1986	31	Regina, Canada
4	28	Connor Brown C. Brown	RW	6'0"	185	1/14/1994	24	Toronto, Canada
5	8	Connor Carrick C. Carrick	D	5'10"	192	4/13/1994	23	Orland Park, IL
6	23	Travis Dermott T. Dermott	D	6'0"	208	12/22/1996	21	Newmarket, Canada
7	23	Eric Fehr E. Fehr	RW	6'4"	208	9/7/1985	32	Winkler, Canada
8	51	Jake Gardiner J. Gardiner	D	6'2"	200	7/4/1990	27	Minnetonka, MN
9	33	Frederik Gauthier F. Gauthier	C	6'5"	232	4/26/1995	22	Laval, Canada
10	2	Ron Hainsey R. Hainsey	D	6'3"	205	3/24/1981	36	Bolton, CT
11	54	Justin Holl J. Holl	D	6'3"	205	1/30/1992	26	Tonka Bay, MN
12	11	Zach Hyman Z. Hyman	C	6'1"	213	6/9/1992	25	Toronto, Canada
13	49	Andreas Johnsson A. Johnsson	LW	5'10"	180	11/21/1994	23	Gavle, Sweden
14	43	Nazem Kadri N. Kadri	C	6'0"	190	10/6/1990	27	London, Canada
15	24	Kasperi Kapanen K. Kapanen	RW	6'1"	187	7/23/1996	21	Kuopio, Finland
16	47	Leo Komarov L. Komarov	C	5'11"	209	1/23/1987	31	Narva, Estonia
17	32	Josh Leivo J. Leivo	LW	6'2"	210	5/26/1993	24	Innisfil, Canada
18	52	Martin Marincin M. Marincin	D	6'5"	212	2/18/1992	25	Kosice, Slovakia
19	12	Patrick Marleau P. Marleau	C	6'2"	215	9/15/1979	38	Aneroid, Canada
20	16	Mitch Marner M. Marner	C	6'0"	175	5/5/1997	20	Markham, Canada
21	15	Matt Martin M. Martin	LW	6'3"	220	5/8/1989	28	Windsor, Canada
22	34	Auston Matthews A. Matthews	C	6'3"	216	9/17/1997	20	San Ramon, CA
23	35	Curtis McElhinney C. McElhinney	G	6'2"	200	5/23/1983	34	London, Canada
24	20	Dominic Moore D. Moore	C	6'0"	192	8/3/1980	37	Thornhill, Canada
25	29	William Nylander W. Nylander	C	6'0"	191	5/1/1996	21	Calgary, Canada