Kagawa admits victory won't come easily against Arsenal team that is high in confidence.
"It is imperative for us to get three points by winning the game against Arsenal at Old Trafford," Shinji explained. "We need to achieve it in a calm and professional manner. To close the gap on them, we have to win the game. That's what we need.
"They have quality players with lots of technical skills. We need to work hard for 90 minutes if we are to win the game. A match like this is one that any player would look forward to. I need to prepare myself fully for it."
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