Birmingham are in need of extra depth at full-back, and Gary Rowett may be hoping that the 29-year-old can provide that.
West Ham United's defensive woes continue, with Kevin Constant now linked with a move to the club.
Alan Pardew may be tempted to look at the free agents currently available after Pape Souare was ruled out for six months.
Queens Park Rangers are in discussions with free agent Kevin Constant.
The former AC Milan star was recently culled as part of a restructuring at Turkish club Trabzonspor.
All the latest news, views and transfer rumours from St. James' Park...
As the Russian window slammed shut names clubs such as Internazionale, Bayern Munich, Dynamo Kiev and Zenit St Petersburg have been busy with big names such as Zlatan, Hulk, Veloso, Cassano, Montolivo, Martinez and Reus all on the move. Here is a comprehensive look at the most eye-catching deals of the summer.