Seo Young-Jae is a versatile South Korean defender currently plying his trade for Daejeon Citizen. Standing at 182 cm tall and possessing a robust physical frame, the 30-year-old full-back has become a reliable presence in the K League. His career began in the youth ranks of his homeland before he established himself as a professional, capable of operating effectively at left-back and also filling in in midfield when required. Known for his stamina and willingness to overlap on the flank, Seo provides both defensive solidity and an attacking outlet. While his individual honors may not be headline-grabbing, his consistent performances and steady market value reflect his importance to his club. He represents the kind of dependable, hard-working player that forms the backbone of many squads, contributing week in and week out with professionalism and tactical discipline.