Journalist Kaya Kaynak believes that Mikel Arteta has badly mishandled one situation at Arsenal this season. There has been a huge amount of debate about the Arsenal goalkeeper situation this season. Aaron Ramsdale was the established first-choice shot-stopper at the Emirates Stadium last season, but his place in the pecking order came under threat following the summer arrival of David Raya on a season-long loan from Brentford. Mikel Arteta started the season with Ramsdale between the sticks, but Raya did not have to wait long to get his chance. The 28-year-old was handed his debut for the Gun…