Celtic have reportedly been keeping a keen eye on the Dinamo Zagreb defender.
Arsenal are already paying a high price for not listening to their supporters in the summer and it could cost them the Premier League title.
Alleged Arsenal target Marcelo Brozovic continues to impress, as the Dinamo Zagreb midfielder scored a well taken goal for Croatia against Azerbaijan.
After Barcelona were banned from making transfers for 14 months, the future of Alen Halilovic is up in the air once again.
Discussions over the youngster potential move to Spurs are ongoing.