ARSENAL have finally agreed a deal in principle to sign Viktor Gyokeres from Sporting Lisbon.The Gunners will hand over £63.5million for the Swede striker to sign on a five-year-deal.GettyArsenal have finally agreed a deal in principle to sign Viktor Gyokeres from Sporting Lisbon[/caption]The deal consists of an initial fee of £55m plus £7.6m in add-ons.Arsenal have reportedly made advances in negotiations this weekend in a bid to complete the transfer. He will become Arsenal‘s fourth signing of the summer window, with Kepa Arrizabalaga confirmed from Chelsea, Christian Norgaard from Brentford and Real Sociedad’s Martin Zubimendi all confirmed. The club have also agreed a £50million deal for Stamford Bridge winger Noni Madueke, who left the Club World Cup over the weekend.Arsenal were without a recognised No9 for much of last season as they finished second in the league, ten points behind champions Liverpool with 17 fewer goals scored.Sporting’s demands for Gyokeres were believed to be an initial fee of £60.4m, plus £8.6m in add-ons.Gyokeres refused to return to pre-season training with Sporting amid his desire to join the Premier League club.The 27-year-old joined the Portuguese club in 2023 from Coventry City and has developed into one of Europe’s most in-demand players. Join SUN CLUB for the Arsenal Files every Friday plusin-depth coverage and exclusives from The EmiratesLast season he scored 54 goals in 52 games as Sporting won the league title and cup double.THIS IS A DEVELOPING STORY..The Sun is your go to destination for the best football, boxing and MMA news, real-life stories, jaw-dropping pictures and must-see video.Like us on Facebook at https://www.facebook.com/TheSunFootball and follow us from our main Twitter account at @TheSunFootball.