Liverpool, Manchester United, Manchester City and Tottenham Hotspur are among the teams hot on the trail of Schalke star Matthew Hoppe.
The striker is earning plaudits for his impressive performances with the team this season.
The 19-year-old American has scored five goals in eight league starts this term.
Hope only got his first professional contract in February.
Several top clubs in England may be looking to secure Hoppe in the summer transfer window, according to 90min.