Luis Enrique faces defensive crisis and two major doubts as PSG for Club World Cup semifinal against Real Madrid

PSG enters the Club World Cup semifinal against Real Madrid with 63 matches played this season—and mounting concerns after Achraf Hakimi and Fabián Ruiz missed team training due to fatigue.

The heat and physical toll are unforgiving. This Club World Cup is pushing players to the limit—many of whom are either ending their season or, depending on the league, starting a new one with their muscles already worn down from mileage. Paris Saint-Germain will head into the semifinals having played 63 matches...