King is a ball-playing
central defender who has also played as a
midfielder. He captained the
Crystal Palace under-18 team, and broke into the Palace under-21 side at the end of the 2024–25 season. King signed his first professional contract with Crystal Palace in March 2025. He was named as a starter for his professional debut on 18 December 2025, a 2–2 draw against Finnish club
KuPS in the
UEFA Conference League. ==International career==