Arsenal on Monday announced the signing of Thomas Partey from Atletico Madrid in a deal worth 50 million euros (45.37 million pounds) on their official social media page.

“La Liga on Monday informed Atletico Madrid at 23:28 that representatives from Arsenal arrived at the footballing body’s headquarters looking to meet Thomas Partey’s release clause,” read a statement on Atletico Madrid’s website just before the midnight CET deadline.

“Thus, the player has unilaterally ended the work contract that he had signed with the club through to 30 June 2023.”

Partey who has been a key player in Diego Simeone’s midfield since breaking into the first team from Atletico’s academy in 2015 will be wearing the No 18 shirt when he finally joins up with his new team-mates next week after he returns from international duty in Ghana.

Partey signed a long term deal with Arsenal after his £45m release clause was met by the two sides. he completed his medical and paperwork just before Monday’s 11pm deadline.

In reacting to the success of the transfer, just before deadline, Arsenal Coach Mikel Arteta said:

“We have been watching Thomas for a while, so we’re now delighted to add such a high quality player to our squad.

“He is a dynamic midfielder with great energy. He brings a lot of experience from a top club that has competed at the highest level in La Liga and the Champions League for several years.

“We’re very impressed with his attitude and his approach to the game. He’s an intelligent footballer and we’re looking forward to him integrating into our system and contributing to the progress we’re building at the moment at the club.”