Former Philadelphia Flyers bench boss Dave Hakstol, 50, will work under Leafs head coach Mike Babcock.
In 277 games Hakstol's Flyers compiled a 134-101-42 (.560) regular-season record.
On December 18, 2018, Hakstol was sacked after his team started the 2018-19 campaign with a 12-15-4 (.451) record. Mr. Hakstol was most recently a member of Canada's coaching staff at the world championships in Slovakia.
The 29-year-old from Barrie, Ont., was tabbed as the Leafs backup goalie behind Frederik Andersen on the eve of their first-round matchup with the Boston Bruins in April after fellow netminder Garret Sparks was given 10 days to rediscover his form following a string of shaky outings.
Hutchinson, 29, played in five game with the Leafs last season and had a goals-against average of 2.64 and a save percentage of.914.
Mr. Marincin, meanwhile, had one goal and four assists in 24 games with the Leafs last season.
Drafted by Edmonton in the second round in 2010, he has appeared in 201 National Hockey League regular-season games. A second-round selection of the Edmonton Oilers in the 2010 draft, he debuted with Edmonton in 2013 and spent two seasons there before being traded to Toronto following the 2014-15 season.
The Maple Leafs on Friday officially announced the signings of a pair of crucial restricted free agents, keeping forwards Andreas Johnsson and Kasperi Kapanen with the club for the next four years and three years, respectively.
Both players are receiving one-year deals worth $700,000.