Cristhian Mosquera joined Arsenal in July 2025 after making 90 appearances for Valencia. A product of their academy, he debuted for the first team at 17 and became a defensive mainstay, starting 37 LaLiga matches in 2023/24. Born in Spain with Colombian heritage, Mosquera has represented Spain at every youth level, collecting 34 caps and winning Olympic gold at Paris 2024. At just 21, he adds composure and promise to Arsenal’s back line.