Question: who is the youngest player to score for manchester united?
Answer:  Norman Whiteside: 21 years and four months.  George Best: 21 years and seven months.  Ryan Giggs: 21 years and nine months.  Marcus Rashford: 22 years and two months.  Sammy McIlroy: 22 years and five months.  Brian Kidd: 22 years and seven months.