According to Spanish newspaper
Ronaldo's future is uncertain as he is currently a free agent. Indeed, for a while, his whole career was believed to be in jeopardy after he severed a tendon in his knee playing for AC Milan against Livorno in February.
After a successful operation in Paris, it was revealed that he would be out of action for at least nine months, although a more likely return date was said to be in 2009.
Although Ronaldo's rehabilitation is said to be going well, and well ahead of schedule, Milan has refused to offer him a new deal to the contract that ran out at the end of June.
This means that
The 31-year-old played for the Dutch giants from 1994 to '96, and was a massive hit, scoring 42 goals in just 45 games, before moving to Barcelona.
The transfer will be complicated though, as there are also reports that Ronaldo has an agreement with Brazilian club Flamengo.