For several weeks now, it has been an open secret that Di Matteo is the top candidate to take over from Armin Veh, who will join Stuttgart in the summer.
Frankfurt's director of sport Bruno Hubner is confident that he will get his No 1 target.
"The picture is becoming clearer," he said, "(Di Matteo) is interested in Eintracht Frankfurt. He has already turned down five other offers on the phone."
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