Arsenal have seen their title challenge take a huge hit in recent weeks as a run of one win in five games has caused a lot of concern. Back-to-back defeats against West Ham and Fulham, with just one goal scored, have raised calls for a new striker in the January transfer window. Although Arsenal have been strong defensively, they are struggling in attack, with all three of Gabriel Jesus, Bukayo Saka and Gabriel Martinelli failing to find their best form. This has become a particular worry, as Mikel Arteta’s side find themselves below Chelsea and Fulham in a worrying stat. Arsenal are strugglin…