"Ozil has had a big impact," Ferdinand told the Manchester Evening News. "He has lifted the players around him.
"I think you can see he's gone in there at Arsenal and everyone has said: 'We need to lift our levels to get up with him because he's that good a player.'
"If you look at the statistics in the last four or five years and the number of assists he's had, that tells you all you need to know - he's a fantastic player.
"I played against him twice last season when he was at Real Madrid and he was so impressive. He gets between the lines.
"We've got a couple of players in our team who can pose those sort of problems for other teams so I know in training how difficult it can be to pick up those players but it's about the team being compact enough not to give those spaces."
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