Dimitar Berbatov has branded Manchester United teammate Wayne Rooney as "amazing".

Berba told manutd.com: "What can you say about Wayne? He's been here for so many years, playing top football and it's amazing that he's only 23. When he reaches around 28, he'll be even better.

"We see in training, and you can see in games, the unbelievable passion he has for football."