Overview

• Mainz 05 announced on June 13 that 21-year-old left-back Kasey Bos has joined from A-League side Melbourne Victory on a contract until 2029.
• Bos becomes the third Australian to feature for Mainz’s first team and holds a Dutch passport, facilitating his adaptation to European football.
• He recorded five goals and three assists in 35 league appearances for Melbourne Victory, demonstrating both defensive and attacking capabilities.
• Sport director Niko Bungert praised Bos’s combination of robust defensive work rate and offensive dynamism as an ideal fit for the club’s playing style.
• Recently called up to Australia’s senior national team without yet making his debut, Bos has also credited former teammate Mitchell Langerak for his advice ahead of the Bundesliga move.