Arsenal are reportedly impressed with the progress of their summer signing William Saliba, who has made £27m switch to the North London club from Saint-Étienne back in the summer, however, being immediately loaned out back to the French outfits in order to gain regular first-team football.
The teenage defender was immediately loaned back to the Ligue 1 side to continue his progress and become a key part for the Gunners defensive end in the nearby future.
Saliba missed the start of the 2019/10 campaign due to injury, reporting to London Colney for rehabilitation, and was assessed in his time there.
The North London club are thought to have been impressed with his physical form, despite noting one or two specific areas with room for improvement.
There is a confidence that the promising Frenchman will be ready to compete for a starting spot when his loan deal expires at Ligue 1 outfits and join the Gunners ahead of next season as he has turned in strong showings in France since returning from Injury.
Meanwhile, Arsenal are closely monitoring Athletic Bilbao defender Unai Nunez ahead of the winter transfer window, Football Insider understands.
The North Londoners are valuing potential centre-back options as they look to empower their brittle backline.
An Arsenal expert has told Football Insider that the club have already jetted out on regular move missions to assess Nunez, 22, and plan to step up their race.
The Gunners have been encouraged by the defender losing his regular starting role at Bilbao.
Nuñez started debut games of the new campaign, playing the full 90 minutes of the 1-0 victory over the Catalan club in August, however, he has found himself mainly playing a back-up role on the bench following the return to fitness of Spain international Iñigo Martinez and it give the Gunners chance to lure him at the Emirates Stadium.