Arsenal were dealt a blow as striker Benjamin Sesko, who was high on the transfer wishlist, will now stay at RB Leipzig. The 21-year-old was strongly admired by Arsenal, who presented proposals to Sesko alongside Manchester United and Chelsea, but he has now confirmed that he will remain at Leipzig and sign a new contract. This comes as a blow to Mikel Arteta and Edu Gaspar, as the attacker appeared to be the perfect profile of what Arsenal need from a striker: fast, young, and has the potential to improve, whilst easing in alongside Kai Havertz. The question now remains of what Arsenal will d…