By Will Griffee For Mailonline
Published: 08:37 BST, 4 September 2020 | Updated: 08:37 BST, 4 September 2020
Atletico Madrid striker Diego Costa and defender Santiago Arias have tested positive for coronavirus, the Spanish club revealed.
The players are in quarantine and will not report for the team's first day of pre-season training on Friday.
Most of the squad underwent their tests on Thursday, but Costa and Arias had tested positive while on holiday, the club said.
Diego Costa has tested positive for coronavirus but is not experiencing any symptoms
Neither man has shown any symptoms of the illness but they must remain in isolation away from Diego Simeone's squad.
Atletico will begin their season at the end of the