Real Madrid have managed to keep hold of Vinicius Jr despite a strong offer from Arsenal to lure him away. However, Vinicius has now signed a new contract at Real Madrid, thus ending any hope Arsenal have of signing him this summer. How much money should Arsenal demand if Real Madrid come calling for Martin Zubimendi? Credit: Getty Images/David Price/Arsenal FCReal Madrid could try to sign Martin Zubimendi from ArsenalReal Madrid almost always end up signing the players they want to sign. Arsenal’s own William Saliba turned down Real Madrid before signing a new deal not too long ago.