Surely few would doubt that Newcastle United need to strengthen in central defence this summer. Indeed, that was reportedly the plan for Newcastle last summer too, but FFP constraints meant the transfer budget simply did not stretch that far. While it remains unclear as to exactly how much money the club will be able to spend there amid more FFP issues, the signing of a new central defender is thought to be on the cards. Long-term injuries to both Sven Botman and Jamaal Lascelles has left Eddie Howe very light in that area. Though Howe has spoken positively about playing Dan Burn there, relyin…