Neil Harris has been speaking ahead of his Millwall side’s trip to Leeds United tomorrow. Two of the Championship’s most inform sides will be going head-to-head at Elland Road, with Leeds winning 12 of their last 13 league matches, and Millwall having picked up 10 points from the last 12 available. Leeds actually have the chance to move top of the division for the first time all season, and know a win by a margin of two or more goals would see them do that. But Millwall often prove themselves to be tough opponents for Leeds and Harris has plenty of experience of the fixture from both as a play…