Higuain struck the only goal of the game.
"It was an important game, we're in the Coppa semi-final and this is an important title for us. Thanks to the efforts of the whole team, we are in the semi-final," he told Rai Sport.
"I am truly happy here. The team and the city are fantastic, I feel the love every day and I'll be honest, I am happy here.
"The important thing was to win. Fortunately, we can go further in this competition."
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