Watch: Manchester United hotshot Diogo Dalot bids emotional farewell to Porto
The 19-year-old Dalot on Wednesday became United's second signing of the summer.
The 19-year-old Dalot on Wednesday became United's second signing of the summer.
The teenaged Dalot signed across the dotted line for the Red Devils on Wednesday.
Full-back Dalot, 19, signed a five-year deal at United.
Forwards Lionel Messi, Cristiano Ronaldo and Luis Suarez were among the others who were nominated along side Casillas for the 2017 Golden Foot award.