LAS VEGAS, NEVADA - FEBRUARY 14: Patrick Marleau #12 of the Toronto Maple Leafs celebrates with teammates on the bench after scoring a second-period goal against the Vegas Golden Knights during their game at T-Mobile Arena on February 14, 2019 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

The Toronto Maple Leafs have a great mixture of youth and experience, but they could be looking to add more of the latter at the NHL Trade Deadline.
When you look at the some of the reasons why the Toronto Maple Leafs have been successful this season, the core-four jump out immediately.