Arsenal could sign Newcastle United striker Callum Wilson this month. Arsenal have been credited with an interest in Callum Wilson, who has now been made available for just £18 million as Newcastle United are seeking to offload the player. Arsenal’s need for a striker is obvious. Gabriel Jesus has netted just 3 times in the Premier League so far this season, whilst Eddie Nketiah has chipped in with 5 goals, though 3 of those strikes came as a hat-trick against newly-promoted strugglers Sheffield United. Bukayo Saka, on the right-flank, is the Gunners’ top scorer so far this season in the Premi…