Overview
- Eintracht Frankfurt completed the roughly €4 million transfer from Djurgardens, adding a developing option on the left side of defense.
- The 19-year-old praised first-choice Nathaniel Brown as a player he respects and hopes to match in quality.
- He began his unveiling with a short German greeting after six days of practice and said he will continue lessons with a teacher.
- Kosugi set near-term goals of making his Bundesliga debut and earning a first Japan call-up while prioritizing settling into the club.
- A crowded January fixture list is expected to bring rotation under coach Dino Toppmöller, creating early opportunities for minutes, while media reports link Brown with major European clubs in a possible summer move.