Why is there no major hit to Japan’s strength despite injuries to key players?

Even though the core 5 players are injured, they are still fine? Reasons why Japanese soccer is really scary #FC Fansim Research Institute #Japanese soccer #North, Central America World Cup #Moriyasu #national team #soccer analysis There were many players in the Japanese national team excluded from the World Cup evaluation match due to injuries to key players in defense, midfield, and attack, but they won against Scotland and England with crazy organizational skills, becoming the first Asian country to defeat England. Talk about why Japan’s power is not greatly affected even if a player is injured.