Newcastle United can ill-afford any more slip-ups this season. While Eddie Howe’s side have pulled off a number of big results to date, consistency remains an issue. The prospect of going to Arsenal in the Premier League on Saturday remains daunting even if Newcastle have already beaten the Gunners this season. Indeed, it seems no one is giving Howe’s team much of a chance. Paul Merson, after all, has predicted a 3-1 win for the home side and suggested things could get “messy” for Dan Burn up against Bukayo Saka. Chris Sutton, meanwhile, has gone for an Arsenal win too. Now, Peter Crouch has h…