Lennart Thy is to return to Werder Bremen in the summer after turning down St Pauli's offer of a new contract.
The 24-year-old, who played for Bremen between 2007 and 2012 before moving to the second-tier club, will return on a free transfer when his current deal at St Pauli expires.
He has signed a three-year contract with Bremen.
"We are really pleased to have been able to convince Lennart Thy to return to Werder," said Bremen's general manager Thomas Eichin.
"He's a very interesting player who...