The 22-year-old will join Werder Bremen for an undisclosed fee and has signed a contract that will keep him at the club until 2014.
Werder Bremen manager Klaus Allofs told the club’s official website: “We have intensively observed Sandro for a number of months and we are happy that we had the chance to bring him into the team.
“We are continuing our philosophy of giving young players the opportunity to continue their develop at the highest level.”
