Krkic is also being linked with Olympiakos and Deportivo La Coruna.
"I haven't heard anything over the weekend, but will probably hear something soon," said Hughes to The Sentinel.
"He's a young player who's proven at the highest level and once again he's a player who's different to what we have got here already.
"Yes, he has lost his way somewhat, but you don't play 100-odd games for a club like Barcelona unless you've got some ability."
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