The gap between Barcelona and Real Madrid may not lie solely in the quality of their stars or the number of their victories. There is a detail that becomes clearly apparent as matches progress, and it could turn, as the season unfolds, into a decisive weapon in the La Liga race.
![Jose Mourinho - Hansi Flick [Kooora Only]](https://assets.goal.com/images/v3/blt8d5045780f3dd39f/crop/MM5DCMZTG45DONJSHJXG653FHIYTEORQ/jwKzL.jpg?auto=webp&format=pjpg&width=3840&quality=60)
