Yi-seo Jeong is a defender for Chungnam Asan, a 22-year-old who uses his 186 cm frame to dominate in aerial battles. Jeong progressed through the ranks at Chungnam Asan, earning promotion to the senior team where his physical attributes are a major asset. As a center-back, he is a formidable presence during defensive set-pieces and a threat in the opposition box during corners. His career is gaining momentum with increased playing time in the K League 2, where he has formed solid defensive partnerships. A key moment was scoring his first professional goal from a corner, showcasing his threat. Yi-seo Jeong's style is physically imposing and straightforward, focusing on winning duals and clearing lines. He is a young defender with the tools to develop into a defensive pillar.