Leeds United secured Italian centre-back Tarik Muharemović their most recent signing.
The 24-year-old transfers from Sassuolo for a said £34.1 million fee.
The deal makes him among the club's costliest defenders.
He has secured a multi-year contract.
Leeds' new man vowed his maximum effort in the transfer statements.
Club insiders recently call him among the best left-footed centre-backs around.