 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.