"Sometimes he goes in very strong and sometimes he pretends he is weak," Vidic told the Sunday Times.
"He plays with your mind and tries to make the defender think about the next tackle.
"He can pretend he fell down to win a penalty, but referees know that.
"The Champions League Final is a big game and I'm sure the ref will know his job.
"He's a great player and he's a top scorer. It's a hard job to stop him."