Freddy Adu's arrival at Philadelphia Union has not stopped head coach Peter Nowak from scouring the transfer market.

The former MLS prodigy joined the Union from Portuguese club Benfica just over a week ago and even though the club is sitting in second place on the Eastern Conference table, Nowak is not satisfied.

"At the end of the day, we're happy to add Freddy Adu but we're still looking," he said.

Adu played just over an hour of his Union debut - last weekend's 2-2 draw with FC Dallas - and will again feature in the away trip to Columbus Crew on Saturday night.

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