mexican eduardo "eddie" vallejo had a record of 3 wins and 5 losses, with 1 win by knockout, having fought seven of his eight fights after moving from tamaulipas, mexico to tyler, texas. despite having a negative win-loss record, after his knockout win over jesus vera, he was given an opportunity to fight camacho for the world boxing organization's vacant light-flyweight title. camacho-vallejo took place on july 31, 1992, at the caribe hilton hotel in san juan. camacho became the wbo world light-flyweight champion by knocking vallejo out in round six.