Come next season, the magic of Masterchef Australia might just dim a little. Broadcaster Network Ten announced ahead of the season 11 grand finale on July 23, 2019 that the iconic trio of Matt Preston, Gary Mehigan and George Calombaris will be retiring from the show. The reason Network Ten couldn&rsquot meet the judges&rsquo demand for a 40 per cent raise on their million-dollar salaries.