Eddie Howe has called up an 18-year-old defender to first-team training ahead of Newcastle United’s game against Tottenham Hotspur. The Magpies take on Spurs at St James’ Park on Saturday, and a win could temporarily lift them up to sixth in the Premier League. That is where Newcastle want to be, as it would mean Europa League football on Tyneside next season. It will be quite the achievement if Newcastle qualify for Europe given the amount of injuries they have had. It has forced Eddie Howe to turn to the youth squad, with multiple teenagers getting the opportunity to be with the first-team. …