"This chapter is over," Ronaldo cryptically said on social media with a photo of him in an Al-Nassr shirt.
A surprising twist came from the top, as FIFA President Gianni Infantino hinted at the possibility of the Portuguese star featuring in the tournament under different colours.
Real Valladolid said Friday Brazil great Ronaldo is selling his stake in the Spanish club to a North American investment company.
Cristiano Ronaldo, long seen as the Argentine's main rival, notably fell outside the top three.
Cristiano Ronaldo missed a penalty but later scored a crucial goal, before Francisco Trincao's late double set Roberto Martinez's men on course for the semis.
With 31 goals across all competitions this season, Mbappe has now surpassed Brazilian icon Ronaldo’s tally from his debut campaign in 2002-03.
Ronaldo stepped up to take the penalty and the 39-year-old sent the goalkeeper the wrong way to score his sixth goal of the league campaign in the seventh minute of stoppage time.
Cristiano Ronaldo insists he is focused on being the perfect team member at Saudi side Al Nassr rather than collecting more individual accolades in the twilight of his career.
Cristiano Ronaldo says Erik ten Hag's attitude is too negative, urging the Manchester United manager to target the Premier League title even though the club need to "rebuild from the bottom".
Cristiano Ronaldo on Friday signed for Al Nassr of Saudi Arabia, the club announced, in a deal believed to be worth more than 200 million euros.
Pele was hailed by Portuguese star Cristiano Ronaldo on Thursday as a "source of inspiration for so many millions".
Fernando Santos quit as coach of Portugal on Thursday following the team's shock World Cup quarter-final loss to Morocco with colourful and controversial Jose Mourinho named as a leading candidate to take over.
Portugal coach Fernando Santos admitted on Friday that Cristiano Ronaldo had been unhappy to be dropped to the bench as he pleaded for a line to be drawn under the affair.
It may have been a rest day at the World Cup on Thursday but there was no stopping the football discussion that never ends - who is the better player, Lionel Messi or Cristiano Ronaldo?
Goncalo Ramos was thrown into the eye of the storm, but it was Portugal's 21-year-old striker who brought the thunder, blasting his country into the World Cup quarter-finals.
The Portuguese Football Federation (FPF) on Thursday denied Cristiano Ronaldo threatened to abandon the World Cup squad after being benched against Switzerland.
These fans claim that they’ve been fans of Saudi Arabian football for quite a while now.
Portugal coach Fernando Santos said he was unimpressed with Cristiano Ronaldo's behaviour after the forward reacted angrily when substituted during the team's final group game at the World Cup in Qatar.
Portugal coach Fernando Santos said that Cristiano Ronaldo's availability is still in question for their closing Group H match against South Korea on Friday.