Brilliant Cuban light flyweight Joahnys Argilagos underlined his rich potential as he became the first boxer at the Rio Olympics into the semi-finals to guarantee at least a bronze medal.
The 19-year-old Cuban prodigy and world champion had Kenya's Peter Warui running around in circles on the way to a unanimous points decision.
Argilagos displayed the full array of his electric footwork, at one point ducking a Warui haymaker, whose momentum took him tumbling into the ropes.
The Cuban merely grinned back at his opponent and later delivered a sucker-punch while appearing to look in the opposite direction.
Argilagos faces Colombian Yurberjen Martinez in the semis on Friday, after he defeated Samuel Carmona Heredia of Spain on a split points decision.
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