Middlesbrough have suffered a huge blow with the news that Jason Steele could be out for three months.
Middlesbrough will make decisions on trialists Malaury Martin and Jurica Vranjes after the weekend.
Middlesbrough have taken Jurica Vranjes on trial along with former Blackpool man Malaury Martin.
Werder Bremen have allowed Jurica Vranjes, Dusko Tosic and Kevin Schindler to leave the club on loan.
Werder Bremen have reacted with dismay after it emerged Mesut Özil will not extend his contract in the near future.
Werder Bremen are keen to move full-back Dusko Tosic and midfielder Jurica Vranjes on.
Jurica Vranjes has signed a three-year contract extension with Bundesliga side Werder Bremen.