The Chicago Blackhawks are sending forward Kris Versteeg to Toronto in a five-player deal.
He had 44 points in 79 regular-season games last season.
Versteeg added 14 points in the post-season for the Stanley Cup champions.
The Maple Leafs give up forwards Viktor Stalberg, Chris DiDomenico and Philippe Paradis in the deal.
Toronto also gets the rights to left-winger Bill Sweatt.