4
Owen Hargreaves currently wears the Number 4 Shirt at Manchester United.
As of December 2013 he currently wears the number 4 (Defender)
7
David Silva currently wears the Number 21 shirt at Manchester City.
Since joining Manchester United in 2010, Anders Lindegaard's shirt number has been 34.
Wayne Rooney
number 5
Owen Hargreaves.
Gary Neville wears the number two shirt at Manchester United.
Javier Hernandez wears the number 14 shirt and plays for Manchester United.
number 7 for Manchester united but i don't know his other number
Denis Law.