Ronaldo, Kaka combo Real deadly

Real Madrid assistant coach Aitor Karanka believes Villarreal will pose no threat to his side on Wednesday night if they maintain their current level of form.

Madrid have hit a purple patch, notching up two straight 4-0 wins over Malaga and Olympique Lyonnais in the last week. In contrast, Villarreal visit the Bernabeu on the back of a humiliating 3-0 loss to high-flying Levante.

"We must continue to play like we did against Olympique Lyonnais and Malaga," Karanka told the club's website.

"We won't have to worry about anything if we perform at that level. Nevertheless, Villarreal will make it harder for us than may seem at first. They are better than what the table seems to show. They caused trouble for us last season."

Villarreal currently sit 16th in the table with just seven points from eight games while Madrid can go top of La Liga with a win, should Levante fail to beat Real Sociedad on Wenesday.

Head coach Jose Mourinho will almost certainly look towards Cristiano Ronaldo and Kaka to fire Madrid past Villarreal given their impressive record against the 'Yellow Submarine'. The pair have tallied 11 strikes between them in four games against Villarreal.

"Every game is different, but it's great to have players you know will perform at a high level whenever they have to play," Karanka said.

Madrid have never lost to Villarreal when both Ronaldo and Kaka have played.