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The 27 year old has been a constant presence in Mikel Arteta's side, with Arsenal currently leading the pack at the top of the league. Despite having a successful system in place, Arsenal's head coach will have to carefully consider his personnel choices...
Gabriel Magalhaes is set to miss up to two months with injury (Image: Ryan Pierse/Getty Images) Cristhian Mosquera Young talent Mosquera has already proven his mettle against top-tier opposition, having been called up to play against Liverpool. Despite being right-footed, the 21 year old has been playing on the left side of a defensive partnership for Valencia.
After a victory over Nottingham Forest in September, Arteta praised Mosquera: "It's not easy to adapt to the league, to adapt to a new way of playing, but Mosquera is a great example. Calafiori has claimed the left full-back position this season and is often positioned high up the pitch in Arteta's system.
