Frankfurt officially announced that the team signed Groningen midfielder Hrustic.
After agreeing to join, Hrustic signed a three-year contract with Frankfurt.
According to the update of the German transfer market website, Hrustic’s transfer fee is 1 million euros.
The 24-year-old Hrustic joined the Schalke 04 youth academy in 2012 and then moved to the Groningen youth academy in 2014.
The Australian international has played 75 times for Groningen in all competitions, scoring 6 goals, of which he played 67 times in the Dutch League and scored 5 goals.
As a full-back, he played 25 times in the Eredivisie last season, scoring 3 goals and assisting 3 times.