Eddie Howe quit abruptly Newcastle United after a 4-1 loss to Bristol City, Sky Sports News said.
Sky aired his last interview soberly.
He openly talked about the Bruno Guimaraes signing before walking out right after.
Former player Jay Bothroyd warned vocally the club could face threat of relegation without Howe.
Sky Sports will live broadcast the top‑flight Scottish Premiership opener on Saturday.
Dundee United take on Rangers at Tannadice.
Manager Jim Goodwin clearly said he wants to make a statement there.
Dundee United coach Derek McInnes confirmed two United players are missing and several are questionable.
Rangers look forward to Thelo Aasgaard and Cammy Devlin to be available for the match.