Arsenal have officially completed the signing of midfielder Thomas Partey from Atlético Madrid.

The Premier League club have paid the €50m release clause to sign the Ghanaian star. In a statement on Twitter, Atlético wrote: “Arsenal pay Thomas Partey’s buyout clause at LaLiga headquarters. The player has unilaterally terminated his contract with our club”.

Partey joined Atleti’s first team in 2015 and went on to become one of the first names on Diego Simeone’s teamsheet.