Daniele Rugani, an Italian 25-year-old star player with Juventus Football Club, was confirmed as having contracted a case of Covid-19.
According to the BBC, Juventus said it is activating the isolation procedures required by law, including those who have come into contact with Rugani.
However, Juventus stated that Rugani is "asymptomatic".
Ronaldo's teammate
On Monday, March 9 (Singapore time), Rugani posted a photo of himself on Twitter, celebrating in the locker room after Juventus beat Inter Milan.
Rugani was an unused substitute during the match, which was played behind closed doors.
Inter stated that following Rugani's positive test, "all competitive activities are suspended until further notice."
Rugani posted another tweet on March 12, in which he said that he wanted to reassure those who were worried about him, and urged his followers to follow the rules in place for dealing with the virus.
All of Italy has been placed under severe travel restrictions following the spread of Covid-19.
The European country has over 10,000 confirmed cases of the virus.
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Top image from Daniele Rugani's Twitter.