COUNTDOWN SHOW  The 3-hour pre-show began with a black screen for about a minute as Michael Cole ran things down. The panel was stationed outside Allegiant Stadium with Cole, Pat McAfee, Big E, and Wade Barrett.  Cole said Rey Mysterio would be a game-time decision for his match tonight. He also confirmed that Gunther vs. Jey Uso will open tonight’s show. Joe Tessitore and Sam Roberts discussed LA Knight vs. Jacob Fatu, Cathy Kelley and Byron Saxton discussed Jey vs. Gunther,