Manchester United have been told they are being held back by Ole Gunnar Solskjaer and they should take the chance to bring in a top-class replacement while he’s still available.The Norwegian boss is firmly under the spotlight once again after some questionable decisions on Tuesday night. That’s after the Red Devils got their Champions League group stage campaign off to the worst possible start, losing 2-1 to Young Boys. Despite taking the lead through Cristiano Ronaldo, Aaron Wan-Bissaka then saw red.The loss of a man subsequently changed the game, with the Swiss side equalising after 66 minutes.But things would go from bad to worse for United. Substitute Jesse Lingard, who had come on for Ronaldo, played a misfired back pass which Jordan Siebatcheu pounced upon to score.Lingard was the third substitution of five made by Solskjaer on the night. Elsewhere, Jadon Sancho came off for Diogo Dalot following Wan-Bissakas red.Raphael Varane replaced Donny van de Beek, while Nemanja Matic and Anthony Martial came on later on.After the match, BT Sport pundit Paul Scholes laid the blame firmly at Solskjaer’s feet.Now talkSPORT pundit Jason Cundy has also weighed in on the criticism for the United boss.Calling him ‘clueless’, he claimed his game-management cost United. Furthermore, he’s told the club to act quickly or pay the price.That there shows hes utterly clueless, Cundy said.That performance, the team shape They went down to 10 men, yes, but come on. United went to five at the back and he didnt change it.They were getting overrun in the middle of the park. Poor Fred, Paul Pogba and Bruno Fernandes. Ive got so much sympathy for them, they had no help, they were getting passed around.The back five didnt move, they were getting outnumbered. It wasnt working, they should have gone for four in defence and four in midfield.United got exactly what they deserved and hes been exposed again brutally.The game changed on the red card but that didnt mean it was over.Young Boys are normally whipping boys of European football and United get rolled over 2-1  It was a disasterclass, it was an absolute disaster.”Champions League preview (Groups A-D): PSG playing catch up despite Messi arrivalWith United once again letting themselves down in Europe, Cundy has suggested former Chelsea boss Antonio Conte as an ideal successor.It exposed Ole, it did badly. Id sack him. We know whats coming, dont we? Youve got Antonio Conte out thereWhos the better manager? There will be a stage in the season where theyll be like I wish we did it earlier.Theres been a pattern emerging with Ole, particularly in Europe. He couldnt get out of the group last season.It did him a favour going into the Europa League, its an easier competition to win and he managed to balls that up.READ MORE: Solskjaer drops Man Utd selection hint that David Moyes could fear