Transfer interest in Celtic midfielder Matt O’Riley has surfaced this window due to his rising stock at the Scottish Premiership champions. Earlier today, Fabrizio Romano indicated that Serie A outfit Atalanta had submitted a ‘formal approach’ for O’Riley as they seek out potential replacements for Juventus-linked Teun Koopmeiners. Southampton and Leicester City have also been credited with an interest in the playmaker, who registered 19 goals and 18 assists last campaign [Transfermarkt]. Nevertheless, O’Riley captained Celtic last night in their 6-4 triumph over Queen’s Park in pre-season, ge…