The Celtic boss raved about his employer this weekend.
The Hoops striker has been on Arsenal's radar in recent times.
Ibrox side Rangers will compete with Old Firm rivals Celtic in the Scottish Premiership next season.
Brendan Rodgers has been appointed the new Celtic manager.
Harry Redknapp speaks highly of Celtic’s majority shareholder Dermot Desmond.
The Bhoys' majority shareholder is hoping to name the club's new boss in the near future.
Virgil van Dijk left Scottish Premiership side Celtic for Premier League outfit Southampton in the summer of 2015.
Dermot Desmond reportedly wants Roy Keane to become Celtic's new manager.
The 42-year-old believes that the Scottish Premiership leaders' situation is down to the club's board.
Dermot Desmond has backed Ronny Deila for success at Celtic.