Kammala jumla mai zuwa: Rivera ya fara bugawa El Salvador wasa a 1988 kuma ya samu adadin wasanni 74, inda ya ci kwallaye 15. Ya wakilci kasarsa a wasanni 22 na gasar cin kofin duniya na FIFA kuma ya taka leda a gasar cin kofin duniya ta 1991,
1993, 1995 da 1999 UNCAF Nations Cups kuma ya kasance memba ne na 'yan wasa a gasar 1996 CONCACAF Gold Cup amma ya taka leda a gasar 1998 CONCACAF Gold Cup.