The Matt O’Riley transfer from Celtic to Brighton has been made official after the Premier League club announced the signing this afternoon. Speculation over the future of the Celtic midfielder has been rife as ten clubs were linked with O’Riley after two and a half successful seasons in Paradise. With Atalanta leading most of the headlines, the Serie A club had five lowball bids knocked back as Celtic refused to entertain offers lower than what they valued their star midfielder. However, after Brighton stumped up a Scottish-record transfer fee for O’Riley, the Celtic midfielder agreed terms w…