The 21-year-old made his intentions clear by setting the Games record at the distance with a blistering first 47.09sec first leg for Australia’s victorious men’s 4x100m freestyle team on their opening day. Of course, he had an Olympic Games gold medal and another two silvers to his credit at the distance. Credit: Adam Pretty / Getty ImagesThe emerging superstar was not boastful after his victory, but his self-belief and charisma were clear to see. Credit: Adam Pretty / Getty Images“(It was a) super high-pressure race. Southam’s gold medal was one of another five won by the Dolphins on the day as they tied their Games record of 28 from the Gold Coast eight years ago, even with another 10 finals still to come.