Arsenal striker Viktor Gyokeres has spoken out in support of close friend Alexander Isak following his controversial transfer from Newcastle to Liverpool.Gyokeres congratulates Isak on Liverpool moveStriker defends his friend after Newcastle exitSweden internationals share close relationshipFollow GOAL on WhatsApp! 🟢📱Recommended external contentVideoWe need your consent to show you content our Editorial team embedded from Video. You can toggle this (and all other embeds from Video across goal.com) on with one click only and deactivate as well.Always display Video contentI confirm that I would like to see external content. Personal identifiable data could be transferred to Third parties. Read more about it in our privacy policy.