He has a £64million release clause and, aged 25, still has his best years ahead of him. In a dream scenario, Costa joins, Onana provides competition and Bayindir is sold on. How realistic of a prospect that is remains to be seen.

Manchester United are facing a transfer disappointment as Sporting CP’s Viktor Gyokeres edges closer to an Arsenal move this summer. United have focused mainly on the attacking department at the early stages of the transfer window under manager Ruben Amorim.