The Denmark international's transfer has been finalized with an agreed fee between the two clubs.
Brighton are on the brink of signing Celtic midfielder Matt O'Riley.AdvertisementAdvertisementTransfer expert Fabrizio Romano is reporting: "Brighton are closing in on Matt O’Riley deal with Celtic, verbal agreement almost done!
"O’Riley set to become next signing for #BHAFC after Kadioglu done, working on final details then all sealed.
"Here we go, soon."
Celtic have accepted a Brighton offer of £25m plus £5m in bonuses for O'Riley.