Liverpool, Man Utd alerted as Borussia Dortmund delay Grosskreutz contract talks
The young Germany international is tied to Dortmund until 2014 and has expressed an ambition to play in England.
"We're under no pressure," said BVB chief Michael Zorc.
"To play with Shinji (Kagawa) in the Premier League would be huge."
The youngster has been linked with Liverpool and added: "That was an honour."