Mezue ahịrịokwu na-esonụ: Ulloa mere egwuregwu mbụ ya maka El Salvador na August 1987 Pan American Games egwuregwu megide Trinidad & Tobago ma nweta ngụkọta nke 31 caps, na-eburu 8 ihe mgbaru ọsọ. Ọ nọchitere anya mba ya n'egwuregwu iri na otu nke FIFA World Cup (nke ọ gbara isii) nakwa na 1991 na
1993 UNCAF Nations Cups.