Aaron Ramsdale left Arsenal for Southampton this summer, and he’d have every right to feel peeved about the way he was treated at the Emirates. Indeed, just a few months after Ramsdale made the Premier League Team of the Season, he was dropped in favour of David Raya. To make matters worse, Mikel Arteta publicly discussed the idea of rotating his goalkeepers and even substituting them within games. Of course, it didn’t pan out like that as Raya started almost every game last season. Ramsdale would eventually leave Arsenal, and while he would have every right to be bitter about his treatment, h…