The defensive weak link in each of the top 6 Premier League sides

Hector Bellerin (Arsenal)

A liability at the back?

Once thought of extremely highly by Arsenal fans and pundits alike, Hector Bellerin's reputation has surprisingly plummeted lately. He's not performed this season anywhere near his best, perhaps indicative of his team's struggles as a whole. Compared to the power and solidity of new signing Sead Kolasinac on the left-hand side, Bellerin's defensive abilities, especially in one-on-one situations, is very weak.

He's definitely an athlete, perhaps the fastest defender in the league, but the idea of him being an athlete and an athlete only grows by the game (similar in this respect to another Arsenal underachiever Theo Walcott). His production levels in attack have been lacking, his involvement in link-up play poor; Bellerin just appears a little lost right now.

It should be noted that he is still young, young enough to improve and return to his best levels. For a club struggling to maintain their 'top 6' status as Arsenal are just now, though, they need a right back offering more cover defensively.