As one sporting great retires and another adds to her gold medal tally at the Paris Olympics, the Sky News Daily profiles Andy Murray and Simone Biles. Â
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Liz Bates speaks to sports journalist Sue Mott who helped Murray write his autobiography. Â
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She’s also joined by Kathy Williams, who became the first black female gymnast to represent Great Britain at an Olympics, in Los Angeles in 1984.Â
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Kathy talks about why Simone Biles has become one of the greatest Olympians of all time.Â
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Producers: Tom Pooley and Rosie GillottÂ
Editor: Paul Stanworth Â
Promotion producer: David Chipakupaku  Â