Arsenal’s long awaited move to sign Viktor Gyokeres from Sporting Lisbon is on the verge of a shocking collapse after the Portuguese club – who appeared to be ready to let the Swedish striker leave after Gyokeres’ agent agreed to reduce his commission – informed the Gunners that the 10 million euro bonus structure must be changed. It is understood Sporting want the 10 million guaranteed should Arsenal be guaranteed qualification to the Champions League for the next two years.

​Arsenal’s long awaited move to sign Viktor Gyokeres from Sporting Lisbon is on the verge of a shocking collapse after the Portuguese club – who appeared to be ready to let the Swedish striker leave after Gyokeres’ agent agreed to reduce his commission – informed the Gunners that the 10 million euro bonus structure must be changed. It is understood Sporting want the 10 million guaranteed should Arsenal be guaranteed qualification to the Champions League for the next two years.