Arsenal could sign bargain Kai Havertz replacement after £21m agreementArsenal may enter the transfer market for a new forward due to Kai Havertz’s knee injury sustained against Manchester United. With Havertz sidelined, Aleksandar Mitrovic emerges as a potential bargain option. Mitrovic could become a free agent if Al-Hilal terminates his contract, offering Arsenal a chance to bolster their attack.