Juventus defender Daniele Rugani has tested positive for coronavirus, the club announced on Wednesday.
A club statement read: "The footballer, Daniele Rugani has tested positive for Coronavirus-COVID-19 and is currently asymptomatic.
"Juventus football club is currently activating all the isolation procedures required by law, including those who have had contact with him."
Rugani becomes the most prominent professional footballer to test positive for the virus. German club Hannover also announced on Wednesday that defender Timo Hubers tested positive.
All sports in Italy have been halted because of the outbreak, including games in Serie A and preparatory events for the Tokyo Olympics, Italy Prime Minister Giuseppe Conte confirmed in a television address on Monday.
The outbreak has affected football across Europe, with Arsenal's Premier League clash against Manchester City postponed on Wednesday.
Juventus are expected to face Lyon in their Champions League round-of-16 second leg tie in Turin next week.