It's a wide array of players that the Maple Leafs could go after, and while each of them offer a great slew of benefits, the amount of money it's going to cost names like Karlsson, Ekblad, and Parayko are going to cost a ton in assets, money, or both, but it's necessary if Toronto wants to move on.
He's spent his entire career with the Maple Leafs, who took him 5th overall in the 2012 NHL Entry Draft. This year, he has 33 points (7G, 26A) in 66 games, but also has a concerning plus/minus rating of -20.