The Swiss Sandro Scharer is the referee appointed by UEFA to direct Roma-Real Sociedad, first leg of the round of 16 of the Europa League scheduled for Thursday at the Stadio Olimpico (6.45 pm).
Instead, the Greek referee for Juventus-Fribourg (Thursday at 21): it's Tasos Sidiropoulos.
In the Conference league, Fiorentina-Sivasspor (Thursday at 219, will be refereed by the Albanian Enea Jorgji.