England coach Roy Hodgson is convinced of long international careers for Manchester United winger Wilfried Zaha and Liverpool's Raheem Sterling.
Both players are in his squad for their friendly with Scotland.
"Of course he's still under 21, as is Raheem Sterling, but I think there's two very exciting talents there and I wouldn't be at all surprised if they make a mark on the senior team in the same way that [Jack] Wilshere and [Danny] Welbeck and Phil Jones have done before them," said Hodgson.
"I really put them in the same category as these types of players who have the ability to play at senior level, but they have to prove it. First they have to prove it in their club sides and I believe Wilfried has done very well for Manchester United in their pre-season games.
"But he's a player we will have to monitor over the coming weeks and really build on what has potentially been a very good start for him at Manchester United."
