Benzema rattled the crossbar with his 79th-minute spot-kick after he had been fouled by David Garcia, who was sent off for his pains. Alexander Sorloth's double helped Real Sociedad to victory in an eight-goal thriller at Girona. Valencia's Eray Comert struck six minutes into stoppage time to snatch a 2-2 draw at Espanyol.
Bilic is the Hornets' ninth manager in three years last week after Rob Edwards' sacking on the back of just one win in seven Championship games. Ismaila Sarr, Ken Sema, Keinan Davis and Vakoun Issouf Bayo all got on the scoresheet to ensure Bilic enjoyed a flying start to his Watford reign at the bet365 Stadium.
While the six English sides withdrew, Real, along with Barcelona and Juventus, refused to renounce the ESL, which Perez reiterated his support for at his club's annual general meeting on Sunday. "To fix a problem, you have to first recognise that you have a problem," Perez added.