Real Madrid coach Ancelotti pleased with Bale form going into El Clasico
Bale has scored 14 goals and providing 17 assists in 31 appearances - and the Real manager puts it all down to his genes.
"In the first game he was switching positions with Angel Di Maria at times, but now he is used to playing on the wing and the team is balanced so we won't change that," Ancelotti said.
"He is in good shape. His physical condition is very important for him and I am sure he will play a great game.
"We haven't done any special work with him to improve his fitness or speed. He just has great genes and has done the same work as everyone else.
"He is in really good condition and we are very happy with him. He had some problems at the start of the season but now he is looking good and we hope that will continue until the end of the season."
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