Unión La Calera defeated Alianza Petrolera 1-0 away from home, with a penalty goal from Emmanuel Gigliotti sealing the victory for a surprising Chilean team that resisted the Colombian's overwhelming attempt to equalize the score. With this result, the visitors took the top spot in Group B, awaiting the outcome of Cruzeiro and Universidad Católica's matches, while the hosts dropped to the bottom of the group.

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