However, Villas-Boas didn't think Alvaro - who earlier accused Angel Di Maria of spitting at him - would have committed such a wrongdoing.
Azarenka will play Japanese star Osaka in the women's final. In the other semifinal, Osaka overpowered American 28th seed Jennifer Brady 7-6 (7-1), 3-6, 6-3 to reach her second US Open final in three years.
Villarreal have also had a good summer after their fifth-place finish last season with the arrival of the experienced Unai Emery as coach followed by the bargain signings of Valencia due Dani Parejo and Francis Coquelin, along with a loan for the exciting winger Taka Kobe from Real Madrid.
In the second set, Zverev was still the one that called the shots, storming to a 5-1 lead after breaking twice. Thiem broke back once, but the German held his own serve to take the set 6-4.
Sunday kicked off with Christian Tello's 94th minute goal giving Manuel Pellegrini a win in his debut as Betis coach and to ensure Pablo Machin begins his spell in charge at Alaves with a defeat.
Under World Athletics guidelines introduced last year, Semenya would have to take testosterone-reducing drugs in order to compete in the races from 400m to a mile. But the 29-year-old has chosen not to do it.
With Thiago having announced to leave despite his contract running for one more year, Hoeness assumes the player's new port of call is trying to wait until the last minute and place a cheap offer. "This is incongruous," he added.
Meanwhile the arrival of the experienced Manuel Pellegrini at Betis promises the stability that has been missing at the club in recent seasons and that alone should improve a team that underperformed last time around.
Liverpool began to push Leeds back but the newcomers were holding on until new signing James Rodrigo committed a needless penalty to allow Salah to seal a thrilling win and complete his hat-trick.
When the safety car pulled in on lap 7, Valtteri Bottas, who had overtaken teammate Hamilton to lead after the first start, unusually elected to bunch the pack up until after he had crossed the start-finish line.
"I'm very happy. It feels good to open my account and I hope to score many more," said the 21-year-old Ganago, who arrived in Lens this summer.