Real Madrid 4-4 draw in Copa Del Rey shows defense and depth issues ahead of Arsenal clash in Champions League / 'Four players in one week': Arteta rues Arsenal's injury nightmare at the back / Saka's return provides a glimmer of hope in Arsenal's injury-riddled season / Arteta 'worried' by Arsenal's fresh injury crisis / Bukayo Saka set to make Arsenal return after long injury lay-off / Arsenal and Tottenham announce friendly as first north London derby outside of UK / Can Arsenal, Man United make a title race after Chelsea stumble? / What will Berta bring to Arsenal? What transfer moves does he need to make? / 'It's time to change' - Ex-Arsenal hero slams Celtic keeper Kasper Schmeichel / Saka's return a game-changer for Arsenal but how will they line up?