Despite featuring five different coaches and plenty of players, there's been a common thread in every Notre Dame-Pittsburgh game since 2008:
SOUTH BEND, Ind. -- Chris Watt called it "one of the toughest things I ever had to do here."
SOUTH BEND, Ind. -- Standing six feet tall and weighing 285 pounds, Aaron Donald doesn't come close to matching the size of the 6-foot-3, 340-pound Louis Nix.