Marcel Keizer is a Dutch football coach and former player who was most recently the manager of Saudi Pro League side Al Shabab. His playing career as a midfielder began at Ajax and was mainly spent at Cambuur, and he had brief spells managing both clubs. He won a Taça da Liga and Taça de Portugal in 2019 at Sporting CP, and had two spells at Al Jazira, winning the UAE Pro League in 2021. Wikipedia