Real Madrid GM Valdano: Kaka best January signing of all
Kaka found the net in only his second game back from long-term injury.
Valdano said: "He looks much more optimistic. He's a special player and we have high hopes for him.
"With him, we will make a leap in class, there is no team in the world with a booster in January of this category.
"We have to be happy he is with us."
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