By Ewan Murray The glitz and glam of the Premier League can swiftly turn sour. That’s what all three promoted sides learned in 2023/24 as they slipped hopelessly back into the Championship. Every season, at least five or six teams find themselves sucked into a ruthless relegation battle. One slip, one mistake or one injury can prove fatal in the bid to survive in the world’s richest and most cut-throat division. Of course, the sides that have just entered the top tier are most at risk of plummeting back into the second tier, but there are not many Premier League sides who are immune to the pro…