Allen suffers injury blow
Wales were hit with fresh injury misery after debutant centre Cory Allen suffered a suspected dislocated shoulder during the 40-6 victory over Argentina in Cardiff.
Allen's injury is the latest to hit Wales behind the scrum, with the 20-year-old now joining injured British and Irish Lions Test stars Jonathan Davies, Jamie Roberts and Alex Cuthbert on the sidelines.
Gatland also revealed that Allen's midfield partner, Scarlets centre Scott Williams, had suffered a suspected foot ligament problem.
Wales still have two games left in their autumn programme, facing Tonga next Friday before hosting Australia eight days later.