Sir Alex Ferguson says Wayne Rooney has a "presence about him" and is hopeful the legendary forward will succeed in management after announcing his retirement from playing .
Rooney was officially named as Derby County boss on Friday, two months after replacing Phillip Cocu as interim coach.
The 35-year-old enjoyed an incredible playing career that spanned nearly two decades, during which time he won 16 trophies at Manchester United, the majority of those under Ferguson.
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He retires as United and England's all-time leading goalscorer and while Ferguson believes that will be an advantage for Rooney, he warned the former forward results were all that mattered as a coach.