I swear whenever the phrase Barca prefer 'conservative treatment' it always ends one way.
Hopefully for him and Barca it is not the start of knee issues.
Have commented on this before but he has that squat Jack Wilshere style that Arsenal always feared would bring injuries and it panned out that way.
On flip side likes of Isco has similar small legged/squat style but he doesnt play with as much intensity as likes of Wilshere did or Gavi does.