Arsenal are already plotting their Janaury business. The Gunners made three top-level additions in the summer with Riccardo Calafiori, Mikel Merino and Raheem Sterling joining Mikel Arteta’s squad. Though, they opted against bringing in a specialist number nine after failing to sign Benjamin Sesko from RB Leipzig. Now, it has just come to light, that Arsenal could move to sign a striker from the continent in the winter transfer window. READ MORE: Dermot Gallagher issues honest verdict on Leandro Trossard’s red card in Arsenal’s draw with Man CityArsenal could move to sign Jonathan David in Jan…