Benitez only took over the club last week and oversaw a 1-0 defeat at league leaders Leicester on Monday.
Newcastle have just nine games to save their season and Benitez is confident that can be done.
"It's really important (to win)," he said. "It will be a boost thinking about the future so we know how important the game is because of the derby, the fans. We'll try to get three points."
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