Arsenal have confirmed the signing of Valencia centre back Cristhian Mosquera on a long-term contract. The 21-year-old adds further depth to an Arsenal backline that already boasts the likes of William Saliba, Gabriel Magalhães, Riccardo Calafiori among others, and will wear the number three shirt in north London.

Although Arsenal has not yet announced his signing, Christian Mosquera is a Gunner in all respects and only needs to finalize some paperwork for the London club to present him. In the meantime, the center-back has bid farewell to Valencia's fans today through a letter on his Instagram account.

Arsenal have just confirmed the signing of Valencia defender Cristhian Mosquera, who admits two former Gunners players sold the “huge” club to him. Arsenal announced Cristhian Mosquera’s arrival on Thursday afternoon, days after the Gunners agreed a £17million fee for Mosquera.

Arsenal on Thursday announced the signing of Valencia defender Cristhian Mosquera, taking their spending during the summer transfer window close to £140 million ($189 million).Mosquera, who played 41 times for Valencia last season,

Manchester United are looking to take advantage of Javi Guerra’s stalled contract talks with Valencia.Cristhian Mosquera and Guerra were two of Valencia’s brightest players last campaign.

Cristhian Mosquera is now flying out to Singapore to meet up with his new Arsenal team-mates and join the club's pre-season tour.

The ‘leaked image’ has since been removed – but it is still being shared online (Picture: Getty) Arsenal’s £17m deal to sign Valencia star Cristhian Mosquera appears to b

Arsenal -bound Valencia defender Cristhian Mosquera "ticks all the boxes" for Mikel Arteta, and the 21-year-old has the potential to be a "big, big hit" in the Premier League, expert Charles Watts believes.