After losing heavily to Chelsea and Liverpool last week, Tottenham completed an unwelcome hat-trick with Dimitar Berbatov scoring with two early headers and substitutes Gilberto and Darren Bent wrapping up the scoring at White Hart Lane.
"We took two wallopings going into the game and I asked for more aggression and application," he said.
"He was done for persistence.
"Luis put a wholehearted performance in but he's on thin ice and has to make sure he gets to half-time. He hasn't and that has killed us off a bit."