Ronaldo got here on as a second-half substitute with the rating stage at 1-1 however turned the sport round by scoring two objectives within the area of 20 minutes.
His first objective got here simply three minutes after being launched to the sport when he well rounded goalkeeper Ivan Provedel and slotted into an empty web.
Alvaro Morata and Adrien Rabiot scored Juve’s different objectives after Tommaso Pobega had opened the scoring for Spezia.
Ronaldo first examined optimistic for Covid-19 on October 13 while on worldwide responsibility with Portugal and flew again to Turin on a personal air ambulance.
After he started self-isolating together with his household at house, he missed one sport for his nation and 4 Juventus fixtures.
There had been hopes he could be match to return towards Barcelona within the Champions League on Wednesday however the 35-year-old examined optimistic forward of the match.
It meant followers have been denied a renewal of his rivalry with Lionel Messi, who scored in Ronaldo’s absence as Juventus seemed toothless with out its star participant.
On Friday, Juventus confirmed Ronaldo had recovered from the virus and had returned a destructive take a look at.
Whereas in isolation, he had posted a number of movies on his social media accounts exhibiting himself figuring out and holding match from house.