Kwadwo Asamoah has joined Juventus from Udinese in the Italian Serie A after the champions completed his acquisition, the club said on Monday.Juventus look to build a competitive team for next season's Champions League after winning the Serie A and the signing of the 23 year-old Ghanaian demonstrates their ambition.The Ghana international has signed on for three years with both clubs also retaining a half the percentage in the event of an onward transfer of Asamoah from Juventus.Asamoah becomes the second Ghanaian to play for the Old Lady, after Stephen Appiah.The midfielder scored three goals in 31 league appearances to help Udinese to a third-place finish last season.