He was expected to undergo a medical this week though the clubs had been ironing out the final details on a £13million fee with added bonus payments.

Mosquera’s move to Arsenal was officially confirmed on Thursday as the central defender joins from Valencia in a deal worth £13million (€15million), thus becoming the club’s fifth signing of the summer transfer window. The talented defender has signed a five-year deal in north London, with an option to extend by a further 12 months.

Cristhian Mosquera became Arsenal's fifth signing of the off season on Thursday after completing a move from Valencia.