Olympique Marseille coach Elie Baup admits the Mesut Ozil factor has been preying on his mind as he prepares to face Champions League opponents Arsenal.

Baup says Arsenal are a class apart in their spending power.

"When Arsenal bought Özil at a high price with the quality of this player, we realize that we are not in the same world. But our recruitment was interesting, high quality.

"Arsenal has the ability to play fast and direct. Arsenal can exploit any space," said Baup.

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