Leeds United completed Italian centre-back Tarik Muharemović their most recent signing.
The 24-year-old moves from Sassuolo for a reported £34.1 million fee.
The deal places him one of the club's most expensive defenders.
He has secured a multi-year contract.
Leeds' new man vowed his all in the transfer statements.
Club insiders recently call him among the finest left-footed centre-backs in the league.