Gyokeres to Arsenal transfer latest amid ‘tense’ £8.7m negotiationsArsenal and Sporting CP have agreed on a £55m upfront fee for Viktor Gyokeres, but add-on negotiations are stalling. Sporting wants easily achievable add-ons, while Arsenal prefers team-based achievements. The £8.7m in add-ons is the sticking point, causing tension despite confidence a deal will be reached. Arteta wants Gyokeres on Arsenal’s pre-season Asia tour starting July 19th.