Real Madrid vs. Barcelona takes place this afternoon, with the latest El Clasico clash coming in La Liga.
The game, which takes place at the Bernabeu, is scheduled to kick off at 15:00 GMT.
Barcelona are flying high at the top of Primera Liga, but Real will be confident of cutting the gap at the top of the table following Tuesday night's 3-1 win at Camp Nou in the Copa del Rey.
Los Blancos are some 16 points behind Barca in the league, and Brazilian playmaker Kaka, who could be handed a start against the Catalans, is looking to help Jose Mourinho's side make it two wins from as many games ahead of next week's crunch Champions League last-16 second leg clash away to Manchester United.
"The coach hasn't said who will play yet. He will decide tomorrow. If I play, it could be a good opportunity for me," Kaka told reporters on Friday.
"It could be a chance to show that in important games, like a 'Clasico', I can still make an important contribution to the team."
Kaka admitted the manner of Tuesday's cup win had given the team a boost.
"Tuesday gave us a lot of confidence," he added. "Now we need to look to reduce the advantage Barca have on us from 16 to 13 points," he added.
"We aren't motivated to try and push them into a crisis, only of winning each game.
"The team has proved they can get results wherever it may be, at the Nou Camp or Old Trafford. Let's see if tomorrow we can get a bit more confidence."
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