Marou started his career with Cameroonian side Coton Sport, helping them win the league[2] and reach the group stage of the CAF Champions League.[3] In October 2022, he won the Cameroonian men's Ballon d'Or for 2022 as the best Cameroonian footballer of the year.[4] In November 2022, it was reported that Marou had reached an agreement to join South African club Orlando Pirates,[5] though Coton Sport denied any contract had yet been signed.[6]
International career
He was selected for Cameroon's 2022 FIFA World Cup squad.[7] He had earned his first cap for Cameroon hours earlier, and was one of only two domestic-based players to be included in the squad.[8]