There’s a big whiteboard on the wall in the visitor’s dressing room at the Air Canada Centre with spaces for coaches to fill in the Leafs lines that night.



It’s the most basic of scouting reports for their players, a brief refresher on who is playing where and with who. The interesting thing, however, is that the opposition always seems to have a different idea of which line to put first, second and third when it comes to Toronto’s top nine forwards.



One night it might be Auston Matthews in the top centre slot. The next, it will be Nazem Kadri. Or Tyler Bozak. And Matthews is sometimes listed third.



Teams also are increasingly unsure which Leafs lines to target with their shutdown players when Toronto is on the road, something that has made them a difficult team to line match against this season.



It’s something that might help explain how the Leafs have earned points in 17 of their 24 road games, one of...