PREMIER LEAGUECourtois: Chelsea goalkeeper's crazy tennis-ball training drillChelsea keeper Thibaut Courtois has posted this video of himself working on the speed of his reflexes in a highly intense training exercise.AStvActualizado a 17 de febrero de 2018 12:18 CETEtiquetado en:Thibaut CourtoisChelsea FCBelgium national football teamPremier LeagueTraining sessionsNational teamsFootball leaguesTeamsFootballCompetitionsSports