"A second test will be carried out within 72 hours and then another every five days as long as they remain in the tournament," he added.
Earlier, Gabriel Barbosa came off the bench to fire defending champions Flamengo to a 2-1 home victory over Fortaleza.
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.
However, seven of the players tested positive for COVID-19 a few days after their arrival in camp.
WASHINGTON, Sept. 3 (Xinhua) -- American star Serena Williams and Australian Open champion Sofia Kenin both advanced into the third round of the US Open after making light work of their respective opponents on Thursday.
The 2017 world champion's previous best was 94.44m set three years ago, and he was confident that he still had room to improve.
The Barcelona wonderkid cut inside from the left flank again before fizzing a spectacular finish beyond Pyatov from outside the area. Ferran Torres later completed the scoring for Spain.
"We are calling the CFA to further regulate the behavior of the agents and effectively protect the legitimate rights and interests of youth training institutions and young players," the letter said. Enditem
From December this year, test events will be held ahead of the 2022 Beijing Winter Olympic Games.
The players are to resume the camp on Sept. 15 to begin preparations for their upcoming international assignments.
The Leverkusen midfielder is said to be going for a medical check this weekend before joining the Blues for 100 million euros. Enditem