Arsenal have a number of transfer targets in mind ahead of the summer window, but securing their desired players may not be easy. Mikel Arteta and Edu Gaspar have an excellent track record when it comes to the transfer market, but they have also been dealt several blows in the past as key targets moved elsewhere. Raphinha joined Barcelona despite Arsenal interest when he was at Leeds United, whilst Lisandro Martinez joined Manchester United even after the Gunners bid for the Ajax defender. However, the most notable transfer blow came when Arsenal were close to agreeing a deal for Shakhtar wing…