The Belgian insists Spurs will bounce back after their thrashing at Manchester City.
Vertonghen said: "It is not a big problem. Of course we didn't play well, but we are better than this..
"We can solve the problem. We will talk and bounce back on Sunday against Manchester United..
"It is a good thing we play United next at home. I know we have the support of our crowd and we can win that game."
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