HOUSTON, July 4 : Captain Alphonso Davies starts on the bench for Canada in their World Cup last-16 game against Morocco in Houston on Saturday as coach Jesse Marsch made three changes to his team.• Davies came off the bench and had a major impact in the 1-0 last-32 victory over South Africa, but is working his way back from long-term injury.• Centre back Luc De Fougerolles comes in to bolster a five-man defence for the Canadians, and Ali Ahmed returns to the starting side in midfield.• Niko Sigur also comes into the team as Derek Cornelius, Nathan Saliba and Liam Millar drop to the bench. • Morocco have made one change as defender Redouane Halhal comes in for Chadi Riad, who picked up a knee injury in the last-32 game against the Netherlands.Teams• Canada: Maxime Crepeau, Alistair Johnsto