Kai Rooney joins Fred the Red as United's mascot for the day.
Kai and Klay Rooney
Rooney gets some last minute advice from his young son Kai
Kai Rooney showcasing his skills to the Old Trafford faithful
Kai Rooney singing autographs Manchester United
Kai rooney, cuteness overload
Kai Rooney looking smart for his first day of school.
Manchester United's Wayne Rooney with son Kai last year
Very grown up! Wayne Rooney celebrates his 28th with a low key meal with his wife Coleen and sons Kai and Klay