Getty ImagesGoalVIDEO: Messi, Mbappe & The Ones to Watch in the UEFA Champions LeagueChampions LeagueMonacoFC PortoBarcelonaFK Crvena ZvezdaParis Saint-GermainBorussia DortmundTottenhamGalatasarayVideoEurope's premier club returns on Tuesday - but who will be crowned the Santander Player of the Week?