Arsenal dropped more points in the Premier League at Chelsea and with the January window coming into view, the Gunners will be wondering if they can improve the squad once again. Mikel Arteta has been backed to the hilt by the Gunners board and spent big in the summer again to sign the likes of Mikel Merino and Riccardo Calafiori. However, they once again failed to land a striker and with Gabriel Jesus again failing to fire this season, they are being left a touch exposed. Indeed, Micah Richards has again suggested that a lack of striker is killing Arsenal right now and he’s told them to sign …