The 21-year-old is currently on an impressive season-long loan at Olympique Marseille, where he has made 49 appearances across all competitions this season to help the Stade Velodrome outfit up to second on the Ligue 1 table.
Saliba initially joined Arsenal from Saint Etienne in the summer of 2019 but is yet to make a competitive appearance for the first team, also spending time on loan at OGC Nice last season.
Saliba's form has caught the eyes of the France national team handlers, who gave him his debut during the recent international break.
"They didn't even let him make a mistake," the Arsenal legend told Amazon Prime of his old club's treatment of Saliba. "He left before an error.
"He didn't even have the chance to compete for his place. What he is doing here is extraordinary. He was rewarded with a selection for the France team.
"Now he belongs to Arsenal, I don't know where he will end up. We have seen that it was a little difficult for him to express himself on the subject.
"What I know is that he could have been in the Arsenal group. I am not Mikel Arteta, but I found it difficult for him. Anyway, he responded well and that's the most important thing."