On 12 February 2011, Gregory Mertens made his senior debut for Cercle as an 89th minute substitute for Hans Cornelis in a confrontation against his former team R.S.C. Anderlecht.
Gregory Peck | Gregory of Tours | Order of St. Gregory the Great | Gregory Bateson | Pope Gregory VII | Gregory of Nyssa | Pope Gregory XIII | Pope Gregory XVI | Lady Gregory | Gregory S. Paul | Gregory Corso | Pope Gregory XV | Gregory of Nazianzus | Pope Gregory XI | Philippa Gregory | Gregory the Illuminator | Gregory Olsen | Gregory Blaxland | Dick Gregory | Pope Gregory I | Klaus Mertens | Gregory Reinhart | Gregory Deyermenjian | Gregory Crewdson | Gregory Benford | Francis Thomas Gregory | Andre Gregory | Pope Gregory X | Pope Gregory VI | Jack Gregory |