Grasshoppers full-back Bruno Bertucci is being watched by Premier League clubs.
Sky Sports says Aston Villa, Bolton Wanderers, Sunderland, Newcastle United, Queens Park Rangers and Stoke City are watching the 21 year-old Brazilian.
Bertucci's British representative Chris Nathaniel confirmed interest in his client was high.
"Bruno has performed at a very high level since moving to Europe, and this has not gone unnoticed," Nathaniel told Sky Sports.
"We know of a number of clubs throughout Europe, but particularly England, who are taking a keen interest."