The manner of Van Persie's treble against Southampton impressed Vidic.
"He is a fighter and he is not scared to play a hard game as well," said Vidic, who knows a thing or two about hardness. "We like him at United for that, I think. Away from home against Southampton he is not scared to receive the ball and have defenders on top of his back. This is important if you want to be top goalscorer here."