BBC Sport - Sports Personality 2017: Adam Peaty is a machine - Rebecca Adlington

Peaty's dominance is ridiculous - Adlington

Rebecca Adlington says Olympic champion Adam Peaty has already forged a legacy aged just 22, winning two world titles this year and breaking his own world record twice in one day at the World Aquatics Championships in July.

READ MORE: Sports Personality: The 2017 contenders

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