The 23-year-old and has agreed personal terms with the Premier League club after they reached a full agreement on a deal worth up to £34million and is set to travel to England on Thursday.
Muharemovic is set to become the second-highest transfer in Leeds United history behind the £35m deal for French forward Georginio Rutter from Hoffenheim in January 2023.
The centre-back featured in three matches for Bosnia in the FIFA World Cup 2026 as they reached the Round of 32, missing the last Group B win over Qatar due to receiving a late red card in the 4-1 drubbing to Switzerland.
He was also the player who was involved in the controversial dismissal of United States forward Folarin Balogun, which was later suspended, amid uproar from the football fraternity.
The former Juventus youth player made 63 appearances for Sassuolo since joining the club, scoring four goals and proving four assists in all competitions.
