Arsenal are ready to bring in another centre-back, as Mikel Arteta bolstered his backline and fixes a problem position.
The Gunners were dealt a terrible double blow in their Europa League knockout fixture with Sporting at the Emirates Stadium this season when William Saliba and Takehiro Tomiyasu were both injured. Saliba is short of fitness and set to miss this week's crunch clash with Manchester City, while Tomiyasu is out for the season.
