Why Kylian Mbappe is on bench for Real Madrid vs Barcelona in Copa del Rey final

Kylian Mbappe only makes the bench for Real Madrid’s Copa del Rey final vs Barcelona (NurPhoto/Shutterstock)Kylian Mbappe starts on the bench for Real Madrid’s Copa del Rey final against Barcelona on Saturday night.The French striker suffered an ankle injury during Madrid’s 2-1 defeat to Arsenal in the Champions League quarter-final at the Santiago Bernabeu last week.Mbappe was subsequently left out of the matchday squad for Madrid’s win against Athletic Bilbao last Sund