Junior Alonso is a Paraguayan professional footballer who plays as a defender for Krasnodar and the Paraguay national team. Born on February 9, 1993, in Asunción, Paraguay, Alonso began his career with Cerro Porteño before moving to Europe, where he has played for Lille, Celta Vigo, and Atlético Mineiro. A strong and experienced center-back, Alonso has been a key player for Paraguay since his debut in 2013, earning over 50 caps. Known for his leadership and defensive solidity, he has been a consistent presence in both club and international football.