It will mark Casillas' first competitive game of the season.
"I have two great goalkeepers with a fantastic attitude. Diego deserves to play La Liga and Iker deserves to play the Champions for his professionalism, seriousness and skill. Casillas has a lot of experience. He seems calm and I think he's going to play a great match. He's has the ability to overcome any type of pressure.
"Both are performing well," argued Ancelotti.
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