Sporting have given Viktor Gyokeres permission to delay his return to pre-season until Friday while talks advance over potential Arsenal move. That development suggests the deal should accelerate next week as Arsenal close in on the top-level striker they have been targeting.

Arsenal have completed the signing of Martin Zubimendi and are now closing in on Viktor Gyokeres, while Noni Madueke and Christopher Nkunku are heading for the exit at Chelsea

Viktor Gyokeres appears to be the striker who Arsenal have settled on to lead their line, while the Gunners are also plotting a move for Chelsea ace Noni Madueke. But while all eyes are on the players coming through the door, Arsenal ’s pursuit of Gyokeres and Madueke could spell problems for four current players.