Arsenal’s search for a new midfielder appears to be hotting up heading into this summer. While all of the Gunners’ focus right now may be on the title race, there is a transfer window coming up and Edu has to have half an eye on new additions at the Emirates. A number of new midfield players have been linked, from Bruno Guimaraes to Manu Kone, but according to one report, Arsenal have now made a bid for a ‘world class’ option. Arsenal have made Martin Zubimendi offerAccording to TuttoJuve, Arsenal have now opened the bidding to sign Martin Zubimendi. This report states that Arsenal have made a…