A round-up of the latest Arsenal news as Mikel Arteta admits that Thomas Partey has suffered an injury setback and is already looking toward the summer transfer market. Arsenal plan to replace Aaron Ramsdale in the summer transfer salesPlans are already emerging at Arsenal for Arteta to replace Aaron Ramsdale in the summer transfer window. The winter market only slammed shut on Thursday but football.london is reporting that the Gunners want to have a contingency plan to sign a new No2 goalkeeper. Arsenal will activate their £27m option to buy David Raya from Brentford at the end of this season…