Kasey Bos is a 22-year-old professional football player from AUS. He currently plays for 1. FSV Mainz 05, wearing the number 18 shirt. He plays primarily as a Defender. He stands at 180cm tall and weighs 70kg. His preferred foot is Left. His current market value is estimated at 400K €.

His most recent move was a Free from Melbourne Victory to 1. FSV Mainz 05 on 2025-07-01. The reported fee was 0.5M €.

Throughout the FIFA World Cup qualification (AFC) 2026, Kasey Bos featured in 1 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.