Janusz Michallik has shared what he believes some were actually afraid to say about William Saliba last season as he lauded the Arsenal defender. William Saliba has been a game-changing addition for the Gunners. Ben White and Gabriel Magalhaes did brilliantly during their year together as Arsenal’s centre-back partnership. But Mikel Arteta’s side have gone to another level with Saliba in the backline. It is almost remarkable at this stage to remember that the 22-year-old had not made his Premier League debut before the start of last season. Arsenal star William Saliba the best centre-back in t…