Erik ten Hag lacks the charisma to lift his flagging Manchester United team and it's hard to see players raising their game for him, according to Jamie Carragher.
United languish seventh in the Premier League table and are in danger of being cut adrift from the race for Champions League qualification.
Ten Hag's side are also out of Europe and the Carabao Cup, with the Dutch coach pinning his hopes on a good FA Cup run to ease the pressure on him.
Former England and Liverpool defender Carragher has compared Ten Hag to Rafael Benitez when it comes to personality.
'My worry with Ten Hag is that when I was looking at him last season, he reminded me a bit of Benitez,' Carragher told the Stick to Football podcast, brought to you by Sky Bet.
'He didn't have great charisma, in press conferences he's very straight and looked like he didn't want to be there - Benitez was similar, but he was top drawer on the training pitch.
'I thought that was Ten Hag last season when United were doing well, that he really knows the game but hasn't got a huge personality.
'So if he isn't getting stuff on the pitch tactically well, then there isn't much else because I don't see the players loving him or lifting their game.'
Carragher also questioned whether Ten Hag's assistant coach Steve McClaren - who was right-hand man to Sir Alex Ferguson over two decades ago - has influenced the way United play.
He added: 'The reason I say that is because when you talk about the style of play, it's probably the style of play that we all played.
'Sometimes you might play in Europe, counter-attacking, or you play a small team at home, and you know you are going to have lots of the ball. United feel like it's football from our day, 20 years ago.
'The first couple of games
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