Piers Morgan has issued an Arsenal transfer plea after noticing one ‘painful’ thing in last night’s defeat against Bayern Munich. The north London side were unable to continue the European dream as Bayern put Arsenal to the sword in a 1-0 loss for the Gunners, with Joshua Kimmich’s second-half goal the difference-maker in what was a frustrating night. With the likes of Bukayo Saka and Gabriel Martinelli criticized for their attacking performance, Arsenal’s quality in the final-third is what ultimately let Mikel Arteta’s side down, who overall controlled the game well and limited Bayern to very…