Venezuelan referee Sergio Chechelev came from Russia (and/or Yugoslavia) and next to matches in the Libertadores there was the World Cup qualifier Bolivia - Peru. Chechelev canceled a goal and sent off the wrong man after he received a head butt. According to a handful of Peruvian sites Chechelev was bought.
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In a next confrontation between the two countries an effigy of Chechelev was burnt in the stands by Peruvian supporters.