Iconic former Newcastle United striker Alan Shearer has been hugely impressed by Arsenal defender William Saliba. William Saliba has now firmly established himself as a stalwart in the heart of the Arsenal defence. The Frenchman had to wait patiently for his opportunity to impress at the Emirates Stadium. The Gunners paid £27 million to secure his services from Saint-Etienne in the summer of 2019, before immediately loaning him back to the Ligue 1 outfit for the duration of that campaign. Saliba then spent temporary stints with Nice and Marseille, developing his game in his homeland. Mikel Art…