Jose Mourinho told his players to cut out the sloppy mistakes after admitting Manchester United got what they deserved at Brighton.
After opening the Premier League campaign with a largely comfortable victory against Leicester, the Red Devils crumbled on the south coast last Sunday.
Their performance at Brighton was more of a concern than the 3-2 defeat and saw United come under the microscope, with intense scrutiny on the manager, players and background operations during an uncomfortable week.
Mourinho's men have to wait until Monday for a shot at making amends and the United boss warned his players that they can ill afford to make similar errors against Tottenham.
The Portuguese said: “You know, just looking to Leicester and Brighton.
“Against Leicester, we didn't make mistakes, we played well, we won. Against Brighton, we made mistakes, we paid for the mistakes and we lost.
“So, I think you look at football in a very pragmatic way, normally you get what you deserve, so if we want to win against a good team against Tottenham, we cannot make mistakes.”
