Koren came off contract at Hull last month and is in talks with the A-League's Melbourne City.
The Slovenian scored three goals in 26 appearances last season many of which came from the bench. His last goal came in the 2-1 FA Cup fifth round replay with Brighton.
If the deal goes ahead, Koren will be lining up with Damien Duff and David Villa, who is on loan from New York City. It's a far cry from East Yorkshire.
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