By FOX SPORTS staff
The Champions League Round of 16 tie between Real Madrid and Manchester United is poised for a dramatic finish as both teams begin the second leg level on aggregate at 1-1.
Mourinho's side must seize the momentum when the game kicks off at Old Trafford on Tuesday, as a 0-0 result would allow the Red Devils to advance on the away goals rule.
The Los Blancos manager told ITV Sport that he expects United to have difficulty stopping Ronaldo, a player he considers "the best ever".
"How do United stop Cristiano Ronaldo? That's not my problem. It's never a problem - I never want to stop Ronaldo. It's their problem. He is the best. The best in the world, yes. Probably the best ever," Mourinho stated.
"I saw Maradona a couple of times. I never saw Pele. But Cristiano is amazing. This man is the best."
However, Mourinho was also quick to point out that Real cannot expect Ronaldo to carry them through to the next round on his own.
"The key is the team and the team needs balance and people doing different tasks. At this level, if somebody fails, we have no chance," he explained.
"We never say Cristiano is responsible when we lose a match and we can't think he is the only one who wins it. Without the team he is nothing but the team without him is not the same."