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.