Cristiano Ronaldo currently plays for Al-Nassr, a club in the Saudi Pro League. As of mid-2025, he signed a new two-year contract extension with Al- Nassr, ensuring he will stay at the club until at least 2027. He has been with Al-Nassr since January 2023 and has been a top scorer in the league, breaking records there as well.
Regarding "20," if the question relates to FIFA 20 (a football video game released in 2019), Ronaldo played for Piemonte Calcio (the game’s name for Juventus) in FIFA 20 since Juventus was renamed Piemonte Calcio due to licensing.
So, in real life in 2025, Ronaldo plays for Al-Nassr; in FIFA 20, he was on Piemonte Calcio (Juventus).