Sport's perfect performances

BBC Sport takes a look back at the sportsmen and women who have achieved perfection in their discipline.

Famous examples include Nadia Comaneci scoring the first perfect 10 in women's Olympic gymnastics and Ronnie O'Sullivan's fastest-ever snooker 147.

Watch coverage of the World Gymnastics Championships 3 - 6 October on BBC Two, online and on the Red Button.

Available to UK users only.

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