9) Emmanuel Adebayor
Leaving Arsenal for the big money at Manchester City, Emmanuel Adebayor made himself forever hated by his old fans by celebrating wildly in front of them when he scored in that game in 2009.
10) Roy Keane
Known for his battles with Patrick Vieira almost every time Arsenal played Manchester United, Roy Keane is another of Gooners’ high-profile enemies in the Premier League era.