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Olympic hockey: Great Britain's men beat Argentina
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Great Britain beat Argentina 4-0 in Group A of the men's hockey preliminaries at the Riverbank Arena.
Captain Barry Middleton opened the scoring, then doubled his tally in the second half.
Pedro Ibarra rattled in a consolation goal from a penalty corner for Argentina.
Watch the whole match on BBC Sport's Interactive Video Player.
Only available to UK users.
