The 29-year-old is available on a free transfer after leaving Bolton by mutual consent on Thursday.
Mustapha joined Bolton from Levante in 2008, but the winger has failed to make an impact for the club.
The 29-year-old is available on a free transfer after leaving Bolton by mutual consent on Thursday.
Mustapha joined Bolton from Levante in 2008, but the winger has failed to make an impact for the club.
