Getty Rickard Rakell of the Pittsburgh Penguins The Toronto Maple Leafs made the biggest splash of the NHL offseason, when they traded their nine-year veteran star forward Mitch Marner, who scored 27 goals last season, to the Vegas Golden Knights. The 28-year-old Marner avoided the unrestricted free agent market with the trade, that resulted in his signing a hefty, eight-year, $96 million contract that will keep him in Sin City until the age of 36. How Maple Leafs Replace Departed Mitch Marner