Minten was reassigned to WHL Kamloops on Friday.
Minten has made Toronto's Opening Night roster, NHL.com reports.
Minten, who is just 19, has put in a strong showing in training camp and may force his way onto the Maple Leafs' roster to start the season, reports the Toronto Star.
Minten is expected to miss the rest of training camp with a wrist injury, David Alter of Sports Illustrated reports.
Minten was included in the Leafs' injury report Thursday with an undisclosed issue, David Alter of Sports Illustrated reports.