Dortmund midfielder Thomas Delaney said Sancho's team-mates were trying to keep his feet on the ground.

"Jadon is a big, big talent, with talent comes opportunities and he has them for sure," Delaney said.

"But he is still 18 years old and he has done amazing. He is not where he is supposed to be, he is a rough diamond, he will get there.

"We try to keep him on the ground because he has a big, big future in front of him and he will do great things, but it takes hard work."

'We can do it this year,' says Vertonghen
Defender Jan Vertonghen is confident Tottenham can reach the last eight for the first time since 2011.

"We can beat anyone," said the Belgian, who is likely to play in the left-back position and mark Sancho.

"We have shown that last year. Over two games we were the better team against Real Madrid (four points from two group games) who were the eventual winners of the trophy.

"That is why it was a shame we could not do better last year because we felt we should have done better. That is why everyone has the feeling we can do