The 29 - year - old central defender , capped 33 times by his country , was a free agent .
The 29 - year - old central defender , will be eligible for Friday night 's visit of Derby County , subject to international clearance .
The 29 - year - old central defender , capped 33 times by his country , was a free agent and will be eligible for Friday night 's visit of Derby County , subject to international clearance .