The Manchester United winger dominated headlines throughout the summer, with Real believed to be willing to smash the world transfer record in order to get their man.

However, the Portuguese superstar ultimately opted to remain at Old Trafford - for one more year at least.

While it appeared that decision had put the saga to rest, the imminent reopening of the transfer window in January has seen the issue resurface.

One of Real's directors, Pedro Traporte, was quoted this week as saying an agreement had been reached with United regarding a summer sale of Ronaldo.

However, Ferguson insists that is not case and has angrily hit back at his Spanish counterparts for attempting to unsettle his player.

"Do you think I would get into a contract with that mob? Jesus Christ, no chance. I wouldn't sell them a virus," said the Scot after watching his side beat Japan's Gamba Osaka 5-3 on Thursday to reach the final of the Fifa Club World Cup.

"That's a no," he added.

"There is absolutely no agreement at all between the clubs."