Career
Mordt is the nephew of South African legend, Ray Mordt. He played junior rugby at Maidenhead Rugby Football Club, and was part of the U17 National Cup winning Colts side. On 25 January 2008, Northampton Saints announced that he had signed for the club for the 2008/2009 season from London Irish.
Mordt joined Harlequins in 2009.
In June 2010, Mordt joined Saracens.