Striker Dimitar Berbatov [ Images ] will miss Manchester United's [ Images ] Premier League match at Aston Villa [ Images ] on Saturday after suffering a thigh injury, his agent said.

"According to Manchester United's medical staff Berbatov will be recovering between seven and ten days," Emil Danchev told Bulgarian Darik radio.

• Drogba hit with 3-match ban

Berbatov was substituted after 30 minutes with cramp during Bulgaria's 6-1 defeat against their Balkan neighbours Serbia in a friendly on Wednesday.

United manager Alex Ferguson [ Images ] is also sweating on the fitness of Rio Ferdinand [ Images ] and Wayne Rooney [ Images ], who missed England's [ Images ] 2-1 win over Germany [ Images ] through injury and illness.