Gary Neville warned that Manchester United could be in for a "worrying few weeks" if their players don't "get a grip" on their season.
Michael Carrick's side's poor start to the campaign continued as Dominic Solanke's late goal rescued a draw for 10-man Spurs at Old Trafford on Saturday.
There were boos from the home fans, both at half-time and full-time, as United extended their winless run to four games in all competitions, keeping them 12th in the Premier League.
They now face a daunting run of fixtures, starting with a Champions League away game against Atletico Madrid on Tuesday before Sunday's Premier League trip to Elland Road to face Leeds, live on Sky Sports.
Speaking on The Gary Neville Podcast, Neville questioned the midfield pairing of Youri Tielemans and Kobbie Mainoo and said the side's plight could worsen if their players don't show improvement.
"Tielemans and Mainoo, I think we've seen enough of it now," Neville said.
"I'm not calling time on it because that's probably too drastic but I've seen enough to think that's not a midfield that's dynamic enough to play at this football club in the Premier League.
"I think they are both good players, by the way, individually. But sometimes you just have players that don't quite knit together or don't quite suit each other.
"I think when [Carlos] Baleba came on with Mainoo, it looked like there was a lot more energy.
"There's going to have to be something done in there, and the rest of them are going to have to get a grip because they are going to a Diego Simeone Atletico Madrid and Elland Road.
"If you're not quite right there from a mental and physical perspective, you're going to get found out.
"They've got a couple of days to recover, pick themselves up from this, and get going because if they don't get going, it's going to be a worrying few weeks."
The draw with Spurs was the third game this season in which Manchester United have failed to win when leading, following the 2-2 draw with Everton and the 3-2 loss to Brighton in the Carabao Cup.
Jamie Redknapp felt their performance showed a lack of cohesion as well as a lack of resilience.
"Brighton in the Carabao Cup, they were 2-0 up and lost 3-2," he said on Sky Sports. "That is unprecedented and does not happen at Old Trafford, except it does with this team.
"I don't see enough connections in that midfield and they look devoid of any confidence, ideas, or patterns of play, playing out the back.
"Tottenham were just much better than them in every department, but that is just a theme this season.
"Their energy levels are not good enough and they look loose going forward. There was no real structure.
"The squad is not good or strong enough and Michael [Carrick] needs help in that respect."
Man Utd's next five fixtures
Oct 13: Atletico Madrid vs Man Utd, Champions League
Oct 18: Leeds vs Man Utd, Premier League, live on Sky Sports
Oct 21: Como vs Man Utd, Champions League
Oct 25: Man Utd vs Bournemouth, Premier League, live on Sky Sports
Oct 31: Chelsea vs Man Utd, Premier League, live on Sky Sports
Ziq6
0
dids you guy release the problems is the stopper
Ziq6
0
the problems now is m.united keeper...
Dabdlsty
1
Bruno Fernandes must leave Mun u. and y we always buy finished players. we knew man u of recruiting upcoming Star players. not buying player who has remained with 2 years to retire like tileman.the courch is ok but player who has failed us to deliver for long
Kidmoprstu
0
Take no notice of what Gary Neville says. The manager is the only one who can get the message to the players.
Lawcdeil
0
Atletico next They probably can't wait in Madrid. Carrick and the imposters are already penning their excuses. To the United faithful "stay home and save your money" Buy a lottery ticket you'll have a better chance of winning!!
Zebaeirsy
0
who's to be blame coach or player
Litelntz
0
that's what yall needs to worry bout and lay off man city dwl...yall needs to go win some games
Bigflow
0
There's no way Carrick will be a Man United Manager by January
is it carrick fault now?
Juniorpope
1
continue fooling yourselves by given opponents red thinking you will win
Copilprty
0
Giving the other team a Red card is bad for Man U
Wanadilnrz
2
it's all about Martinez
Finbciopuz
3
There's no way Carrick will be a Man United Manager by January