ARSENAL have a HUGE summer of business to take care of in the transfer market and have been busy at work. Noni Madueke is set to leave Chelsea’s camp in the US to have a medical at Arsenal,

Viktor Gyokeres was initially expected to return to training with Sporting Club today, but he will reportedly not be present as negotiations over a transfer to Arsenal continue.

Gyokeres' move to Arsenal is on the verge of collapsing, and Arsenal have shifted their focus to an alternative striker.

Valencia defender Cristhian Mosquera could sign a new contract with his club despite having already agreed to join Arsenal this summer.

The summer transfer window rolls on as Premier League clubs and those around Europe look to add to their squads.Arsenal's negotiations for Sporting's Viktor Gyokeres have stalled over a difference in overall value and terms.