Gary Neville accepted Michael Carrick's departure from Manchester United was "probably necessary" with the club in an "absolute mess".
United were ripped apart by Bournemouth on Sunday, with a humiliating 3-0 Old Trafford defeat coming just four days after capitulating at Como in the Champions League.
Former United midfielder Carrick succeeded Ruben Amorim in January and oversaw a revival that took them to third place in the Premier League and back to the Champions League.
But United have won only once in eight Premier League games this season, and are now just one point above the relegation zone in 16th place.
"It's going to get ridiculously difficult for Michael Carrick to be Manchester United manager moving forward," former club captain Neville said in his Sky Sports commentary.
"It's horrible to say that. I played with him, I know him."
Speaking over pictures of disgruntled fans and also those showing chief executive Omar Berrada and director of football Jason Wilcox sat in the stand, Neville suggested Carrick's departure as head coach was imminent.
He said: "The Manchester United fans are singing the Michael Carrick song because I think they know what's going to happen here. T...