South America are known to produce some crazy matches as numerous teams battle it out to win the prestigious Copa Libertadores trophy - their equivalent to Europe's Champions League - and Wednesday night was no different when Uruguayan side River Plate took on Ecuador's Independiente del Valle in the Under-20 version.
It is not immediately clear what Preciado said to upset the River Plate team but an ensuing fight broke out as the majority of players for the Uruguayan club descended on the 20-year-old defender, who took drastic measures to defend himself.
He used the corner flag like a spear to fend off the rival players, threatening to stab them if they came any closer. In fact, the incident was only resolved after his team-mates convinced him to drop the pole and escorted him off the pitch and away to safety.
Following the conclusion of the match, which Independiente del Valle won 3-2, South American Football Federation CONMEBOL began investigating the incident and are expected to announce disciplinary mesures against those involved soon.