The new positive test means he'll have to miss at least another week of action before he can join his Champions League club Juventus, which is scheduled to take on Lionel Messi's Barca squad on Wednesday.
It's heartbreaking news -- EVERYONE was looking forward to Ronaldo vs. Messi!
But, in order to be cleared to participate in a UEFA match, a player must test negative for an entire week before a game ... and now that's off the table.
Sucks, but if you're gonna have to self-isolate for another week -- at least Ronaldo has a gigantic mansion to enjoy ... with a private pool, gym, etc.
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