There was not much to shout about for Newcastle United on Saturday. Thrashed at Arsenal in the Premier League, their porous defence continues to concern manager Eddie Howe. Indeed, even the dropping of Dan Burn didn’t help matters for Newcastle, with Tino Livramento unable to deal with Bukayo Saka as the Gunners rolled in their third goal of the evening. Still, there was at least one positive and that was the return of Joe Willock. Blighted by injuries all season, the £25m star made a 17-minute cameo at the Emirates Stadium against his former club and even managed to score, giving the travelli…