Alphonso Davies could face an agonising wait to see if he will be able to feature at the World Cup after sustaining an apparent hamstring injury.
Bayern Munich full-back Davies, who along with Lille striker Jonathan David is one of Canada's leading lights heading to Qatar, was forced off in the 64th minute of Saturday's Bundesliga clash with Hertha Berlin.
The 22-year-old was holding his right hamstring as he walked gingerly off the field to be replaced by Lucas Hernandez.
Canada, who will be co-hosts in 2026, have qualified for just their second World Cup, having last appeared at the tournament in 1986. They have been drawn in Group F alongside Belgium, Morocco and Croatia.