[Sports Chosun Kim Seong-won reporter] The historic signing ceremony for Lee Kang-in, who will play for Atletico Madrid, is set to take place in Seoul. Coupang Play announced that the signing ceremony will be held at the '2026 Coupang Play Series' venue before Lee Kang-in's debut match against Manchester City on August 9th. This event marks a unique first step for Lee Kang-in as he transitions from his time with Paris Saint-Germain (PSG) to Atletico Madrid, one of Spain’s prestigious clubs known for its success in European competitions.