Mikel Arteta may find that he needs to add some extra experience to his Arsenal first team squad in the upcoming summer transfer window. The Arsenal squad is generally very young. Mikel Arteta has been happy to invest his faith in youth. However, the Spanish coach will recognise the importance of experience. Arsenal are set to lose a big chunk of the experience they currently have in their ranks though, as Mohamed Elneny and Cedric Soares are about to depart the club, whilst Thomas Partey may well follow them out of the Emirates Stadium exit. This trio departing would leave a dearth of experie…