The Toronto Maple Leafs' defensive problems continue and head coach Mike Babcock has finally decided to do something about it. Currently in Las Vegas preparing for their matchup against the Golden Knights, Babcock finally did it. The Leafs' head coach broke up Jake Muzzin and Tyson Barrie. Muzzin was skating with Justin Holl on the second pair while Barrie was placed with Travis Dermott on the third pair. Engvall has yet to join the team because he's still traveling, here's what the lineup looked like at practice. Johnsson - Matthews - Nylander Hyman - Tavares - Kapanen Mikheyev - Spezza - Petan Timashov - Shore - GauthierRielly - Ceci Muzzin - Holl Dermott - Barrie