France under-21 international Abou Diallo has joined German side Borussia Dortmund in a deal worth €28m ($33m). Diallo joins from fellow Monaco side Mainz, which he joined last year following a €5m move from Ligue 1 side Bundesliga. He is billed as a replacement for Greek defender Sokratis Papastathopoulos who recently joined Premier League side Arsenal.
France under-21 international Abou Diallo has joined German side Borussia Dortmund in a deal worth €28m ($33m). Diallo joins from fellow Bundesliga side Mainz, which he joined last year following a €5m move from Ligue 1 side Monaco. He is billed as a replacement for Greek defender Sokratis Papastathopoulos who recently joined Premier League side Arsenal.