Koren have previously been linked to Premiership sides Manchester City and Watford.
The 25-year-old have rejected a new deal at Lillestrom, and the Norwegian side could loose him on a Bosman transfer in January.
Koren have previously been linked to Premiership sides Manchester City and Watford.
The 25-year-old have rejected a new deal at Lillestrom, and the Norwegian side could loose him on a Bosman transfer in January.
